Motorcycle electrics

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How to order

ALTERNATORS

Genuine Lucas Rotors & Stators

 

Click here for notes on alternators

Rotors

Genuine Lucas RM20 Rotor, 6 Pole with welded 0.75" centre. As fitted to most British motorcycles late 50's to 70's equipped with alternators. 74MM O.D. Suits older pattern & genuine Lucas single & 3 phase stators

Lucas Pt.no. 54202299

Pt.no. ALT10105L £89.95

 

 

Rotor shown as supplied with 'keeper plates' for storage

 

Genuine Lucas Stators

 

Genuine Lucas Stators

Single phase 12V 120W 2 wire (RM21) LU47205 Pt.no. ALT10109 £87.95 Used with the A Reg Six, 6V regulator/rectifier, this stator is also suitable for a 6V system, replacing the old 3 wire stator.

It will run a 12V bike with lights without a battery if a capacitor is used

Single phase 12V 200W 2 wire (RM27) Pt.no. ALT10190 £87.95

Three phase 12V 175W 3 wire (RM24 pattern) Pt.no. ALT10192 £102.95 (Must be used with A Reg Three below)

 

120W Lucas stator with the Lucas rotor is £177.90 Pt.no. ALT120L

200W Lucas stator with the Lucas rotor is £177.90 Pt.no. ALT200L

A Reg One regulator/rectifier to suit £34.95

3 Ph.175W Lucas stator with the Lucas rotor £192.90 Pt.no. ALT175L

A Reg Three regulator/rectifier to suit £39.95

A Reg One

Postage on rotors and stators seperately £6.95 each, £9.95 together.

 

Click here for notes on alternators

SPECIAL OFFER Pattern Three Phase stators

These stators are the same quality as the genuine Lucas stators. The company that made these now make 'genuine' Lucas alternators under licence, these are the last of the non Lucas branded versions - otherwise identical.

Three phase stators produce more power at low revs & were first used on electric start Bonnevilles to quickly recharge the battery after a cold start.

 

Three phase 12V 175W 3 wire (RM24 pattern LU47244)

A higher output version of the std. 3 phase stator. Use with A Reg Three regulator/rectifier

Pt.no. ALT10192P £75.00 (Lucas branded £102.95)

These use the Lucas rotor above, Pt.no. ALT10105L £89.95

 

Three phase alternator as above supplied with the A Reg Three regulator/rectifier

SPECIAL OFFER Pt.no. ALT + AREG3 £110.00

A £35.00 saving.

These use the Lucas rotor above, Pt.no. ALT10105L £89.95

Postage on rotors and stators seperately £6.95 each, £9.95 together.

 

Click here for notes on alternators

 

Energy Transfer stator

5 wire stator as used on BSA/Triumph models. These ET stators were fitted to off road versions of T120,TR6,T100,TR5, A65, etc. Not suitable for singles.

Accepts the std. 74MM rotor. Must be used with an ET coil

Replaces RM15 LU47149, as superceded by RM19 LU47188.

Pt.no. ALT10107 £88.00

 

Replacement Lucas Energy Transfer (ET) Ignition coil, for use on Triumph,BSA models . This coil can be used for both 6V and 12V, ET systems or CDI ignition systems. Original Lucas part numbers were LU45149 and LU45150.

Pt.no. COI19377 £19.95

Click here for notes on alternators

Click here for 12V alternator wiring diagram and details on converting 6V to 12V

 

SOLID STATE REGULATOR/RECTIFIER

FOR ALTERNATORS

All these regulators can be mounted under the seat or in the toolbox, they do not need to be 'in the wind' like the Zener diode

Other traders sell similar looking products, if it hasn't got an A Reg label on the back it isn't an A Reg

Over 4500 A Regs sold since 2010 (Aug. 2015)

A REG SIX £34.95

This 6V regulator will suit any Lucas / Miller type 6V alternator and will give proper Voltage control to prevent boiled batteries/blown bulbs and allow the safe use of AGM batteries such as the Cyclons. Because of the way the alternator is wired more power is available when the battery is low. Can be wired Pos. or neg. earth. Very reliable & simple to install

They come with full instructions. Pt.no. AREG6

67 x 59 x 24MM mounting holes 6MM dia. 55MM apart

 
   
A REG ONE £34.95

These 12V regulators suit any Lucas / Miller / Wipac type alternator and replace the Zener diode and the rectifier. They can also be used when converting from 6V to 12V and come with full instructions. Very reliable & simple to install.

They are rated at 25A which is 300W and have been tested to max. output with our 200W alternator

They can be used without a battery if a Capacitor is fitted, see below. Can be wired Pos. or neg. earth

They are suitable for std. 120W & high output 200W alternators. Pt.no. AREG1

67 x 59 x 24MM mounting holes 6MM dia. 55MM apart

They also suit the Alton alternator/electric start as supplied for Commandos. They are not suitable for the Alton Dynamo replacement alternators.

     

A REG THREE

Pt.no. AREG3 £39.95

For 3 phase alternators up to 200W

Can be wired Pos. or neg. earth

70 x 65 x 27MM

 
     

Pt.no REG10121 at £84.95

A high output 200W Podtronics regulator, made in America.

As supplied now with Alton generators.

65 x 75 x 30MM 6MM dia. mounting holes 65MM apart

 

Think it's not charging? How to check

Click here for alternator circuit diagram using a regulator rectifier

12V alternator circuit diagram using a Zener diode

and details on converting 6V to 12V

How to convert an XT500 to 12V

 

CAPACITOR (AKA BATTERY ELIMINATOR)

 

This replaces the Lucas 2MC Capacitor, the blue thing the size of a cotton reel under the seat on Commandos. It enables the bike to be started without a battery, providing it is fitted with the RM21 alternator or equivalent.

A failing capacitor can slowly discharge a battery, so if your battery is dying unexpectedly early it is worth changing the capacitor first.

The 2MC was 4700 microFarads, & so is ours. Larger capacity capacitors are available at an inflated price but there is no advantage.

Fitting a capacitor to any alternator bike will slightly increase its charging potential, may increase battery life & could prevent damage to a Regulator/Rectifer by minor unnoticed faults.

They are now smaller & robust enough to not need mounting in a wire spring, just cable tie them securely.

£11.95 Pt.no. CAP01

 

ZENER DIODE VOLTAGE REGULATOR

 

The Zener diode was used on Alternator equipped British bikes from the mid 1960s to give a cheap and effective 12V Voltage control.

Zener diode positive earth as standard

£34.95 Pt.no. ZEN10054

Now also available in negative earth

£34.95 Pt.no. ZEN10166

Triumph type Heatsink ZEN 26114 £24.00 O/STOCK

The A Reg Regulator/rectifier above is a better system

BRIDGE RECTIFIER

The bridge rectifier shown here replaces the lucas finned rectifiers fitted to British bikes from the 1950s to the late 1970 and will suit all models 6/12V fitted with an alternator except electric start Triumphs and Nortons.

The older Lucas rectifiers needed fins to dissipate the heat generated, these are more efficient in rectifing all the current so need no finning and supply more current to the battery. Easy to connect, and supplied with wiring instructions. Rated up to 25A £5.25 Pt.no.REC001

Dimensions are 30MM x 30MM x 23MM

LUCAS BRIDGE RECTIFIER

 

 

This is a Genuine Lucas bridge rectifier as fitted to British bikes early 1960s onward and will also replace the earlier larger selenium rectifiers.

Positive earth, models 1962 on

Pt.no REC10135 £57.50

 

 

V- REG 2A DYNAMO VOLTAGE REGULATOR, 6V & 6V - 12V UPGRADE

A 6V Lucas/Miller dynamo in good condition is capable of powering a 12V system allowing the use of modern lighting components. The E3H "short" dynamo will happily run a bike at 12 V fitted with the 35/35W Quartz Halogen headlight bulb. Whereas if everything is in good condition, the E3L as fitted to most 1950s twins is capable of powering the full 60/55W. There is no need to alter the dynamo in any way.

The V Reg can also be used on many foreign dynamo equipped bikes. See Bosch Dynamo Wiring

 

This device is proven and reliable. Available in Positive or Negative earth, also to run a 6V system.

The dynamo regulator is designed to replace the mechanical regulator with modern reliable semiconductors, and can handle up to 100W at 6V and even more for the 12V version, provided the dynamo is capable of delivering this power.

48.95 Pt.nos. VREGPOS & VREGNEG

 
Fitted to the inside of a Miller regulator

The regulator must be used with a good battery (minimum 5 Amp-hours) and is guaranteed, subject to correct fitting and use with a good dynamo.

New features include: Current limit to the field winding, allows excellent performance when using a 6V dynamo on a 12V system while not straining the dynamo. Tougher electronics, with the introduction of higher energy spark suppression to reduce spikes generated by the dynamo. Improved "thermal foldback" which progressively reduces output power if the regulator gets too hot, indirectly limiting the dynamo from excessive current. Better servo loop stability, with new electronics which 'predict' when the output voltage is nearly correct and control the field current earlier.

The V-Reg 2a will run a 6V system or by cutting a simple wire link will run a 12V system.

A 150W version is available to suit small cars such as the Austin 7 £66.95

Pt.nos.VREGCPOS & VREGCNEG

Dimensions are 50 x 42 x 22MM

A battery will be needed with a capacity of 5 Amp/hours minimum. The Westco 12V7L-B which measures 114MM x 71MM x 113MM is a good choice. This is a sealed AGM maintenance free battery and will fit the battery tray of A7/10s, Pre-unit Triumphs, Dommies etc. with room to spare.

See also Motorcycle batteries page

How to Repolarize a dynamo

 

CHARGE/CUT-OUT SWITCH FOR MAGNETO IGN. BIKES

 

This is a double sided switch that is wired so that when in the 'Off' position it shorts the mag cutout to earth & the other pole breaks the battery connection preventing any discharge through the regulator.

It also provides some extra anti-theft properties and prevents a battery going flat if the bike is unused for long periods.

It also prevents accidently leaving the lights on from flattening the battery.

If left in the 'On' position after the engine is stopped, it causes no problems, the effect is just as if the switch had not been fitted.

An existing cut-out button can be left in place. A 20MM hole is needed for mounting.

Supplied with wiring, two keys & instructions

Pt.no. SWMAG £24.95

 

CHARGE WARNING LIGHT

(Low Voltage Lamp Driver)

This simple device connects between the ignition switch & earth. 12V only.

When the ignition is turned on the lamp lights.

When the engine starts and the battery is being charged the lamp goes out. No charge it stays on.

This can be used on an alternator system or a dynamo system used to power coil ignition.

Replaces the warning light assimilator on Commandos. Full instructions are supplied.

Without warning light £19.95 Pt.no. LVLD

With warning light (Red, Blue, Green or amber) £24.90 Pt.No. LVLDWL + colour

 

 

BATTERY VOLTAGE / STATUS MONITOR (INDICATOR)

The Battery Status Monitor (BSM) is a LED voltmeter designed to monitor the Voltage across a 6 or 12V battery. It is an easy to see what is happening to the battery, charging - not charging - over charging. Battery low - fully charged.
 

 

Under 10.75 Volts. The battery Voltage is very low, the LED will flash red slowly

At 12V Battery is still low and the LED maintains a constant red.

12.5 - 13.5V battery fully charged (engine not running) the LED will show orange.

Over 13.8V battery charging the LED shows green

Over 15.25V Overcharging. Fast red flash.

The dia. is 10MM with an 11MM base. this clicks into a 14MM holder

Also serves as an ignition on reminder

12V Pt.no. BSM12V £26.95 ea. 6V Pt.no. BSM6V £26.95

 

Now available for handlebar mounting using a chrome plated clip

Pt.no. BSMHB6V & BSMHB12V

£29.95

 

On coil ign. bikes it is wired to switch off with the ign. so connect it to the live feed from the ign. switch or the coil.

On dynamo bikes it can be wired to the speedo light.

The BSM is protected against reverse connection and unlike an Ammeter is immune to vibration. An ambient light sensor is incorporated that dims the LED for night time.

 

NEW DIGITAL VOLTMETER

This is a compact digital Voltmeter that will continually display the battery Voltage.

   

Two sizes available, please state which size.

1/ 27MM x 15MM x 17MM 2 mountings for 3MM (6BA) screws

2/ 42MM x 13MM x 24MM 2 mountings for 4MM (4BA) screws

Suitable for 6V & 12V systems, it will display from 3.5V - 30V

It should be connected to the ign. circuit on coil ign. bikes and the pilot/speedo light on dynamo bikes. CE marked

Not a good photo, the numbers are much clearer Pt.no. DVM £9.95

 

DISTRIBUTER CAPS

Lucas Pt.no. 425049

Fitted to many British twins

Our Pt.no. DIS10006

£14.95

 

Distributer cap for DKX1A Distributer

Lucas Pt.no. 402101

Our Pt.no. DIS10007

£14.95

 

 

CONTACT BREAKERS (POINTS)

 

Fits Lucas 15D1 Distributor as fitted to BSA C15 and Triumph T20 Cub (1954-62) and T15 Terrier. Applicable condenser is Lucas No. 42132

Pt.no. CB10023 £8.40

Genuine Lucas Contact Set 400415. As fitted to Lucas DX Distributor for Triumph 500/650 (5T/6T) Twins (1953-59)

Pt.no CB10020 £8.40

 

BSA Bantam D10/D14 Contact set

Pt.no. CB10027

£11.90

Genuine Lucas Contact Set.Fits all side point models (1963-67) 4.C.A. breaker plate. Including :- BSA C15 (1965-),B40 Star/SS90, A50/A65, Norton Atlas N15, Triumph T20 Cub/T20C/T20S, T100SS, 6T/TR6 Unit, T120 Unit (-1967) models.

Pt.no. CB10030 £15.60

 

Genuine Lucas Contact Set. Fits BSA, Norton and Triumph Twins (1968-72) 6.C.A. breaker plate. Including :- BSA A50/A65, Norton Commando 750's, and Triumph T120 Unit models (1968-72).

Pt.no. CB10031 £15.60

Genuine Lucas Contact Set. Fits B.S.A. Triples (1968-72) and Triumph Triples (1969-75).

Pt.no. CB10032

£15.60

 

Genuine Lucas Contact Set. Fits Norton Twins (1973-1975) and Triumph Twins (1973-78) 8.C.A. breaker plate.

Pt.no. CB10035

£15.60

 

Fits Lucas 18D2 Distributor for most British Twins (1958-62), including :- Norton 50,ES2,88 Dominator Coil,99 Dominator, Triumph 5TA,T100A,6T Pt.no. CB10025 £9.20 O/Stock Applicable condensor is Lucas 54410823(CON10040).

 

CONDENSERS

 

Genuine Lucas Condenser. As fitted to BSA C11G (1954-58) and C12 (1954-58) models.

Pt.no. CON10038

£11.95

Genuine Lucas Condenser 6/12V Fits distributer & 4CA breaker plate, but using the mounting hole can be located remotely

Pt. no. CON10039

£11.95

 

Replica Lucas Condenser. Fits Triumph 3TA/5TA (1957-63), T100A/6T (1960-62), Norton 50/88/99/ES2 distributor models and BSA B31 distributor models

OEM: 54410823,LU54410823

Pt.no. CON10040

£11.95

 

Genuine Lucas Condensor. Fits BSA, Norton, Triumph Twins (1968-72), BSA 750 Triples (1968-72), Triumph 750 Triples (1969-75) and fits 6CA contact assembly.

Pt.no. CON10043

£11.95

 

Villiers Condenser 6E/7E/8E etc. Fitted to many motorcycles from pre war up to the late 1950's. Also fitted on many industrial applications. Pt.no. CON 10047 £11.95

 

 

 

All condensers will operate on 6V or 12V

 

DYNAMO ARMATURES & FIELD COILS LUCAS & MILLER

These Dynamo armatures are British made and are top quality replacements for the originals. They are wound as the 6V originals but will satisfactorly run a 12V system when using the V reg Voltage Regulator.
 

Replacement armature for Tri/AMC/Norton twins with E3L dynamo £99.90

Pt.no DYN10210

 

 

 

Replacement armature for BSA twins fitted with the E3L dynamo £99.90

Pt.no DYN10211

 

 

Replacement armature for Magdynos 60W long £99.90

Pt.no. DYN10212

 

 

 

Replacement armature for Magdynos 40W short £99.00 Pt.no. DYN10212S

 

 

 

Replacement armature for AMC singles fitted with 40W dynamo £99.90

Pt.no DYN10213

 

 

 

Miller Dynamo Armature. Short type (163mm) 36W. As fitted to Velocette Vincent ,Rudge models etc

Made In England.

Pt.no. DYN10230 £129.00

 

Miller Dynamo armature. Long Type (188mm)

As fitted to Velocette Vincent ,Rudge models etc Made In England.

Pt.no. DYN10231 £129.00

 

 

Short Type 6V Miller Dynamo Field Coil.

As fitted to 6V,DVR,DM3G 36W Dynamos. Made In England.

Copper core wire and doubly insulated

Pt.no.DYN10232 £42.95

 

Long Type 6V Miller Dynamo Field Coil. Fits Miller D6,DV Long type Dynamos, but does not include resistance windings. Made In England

Copper core wire and doubly insulated.

Pt.no. DYN10233 £43.95

 

Field coil for Lucas E3N dynamo

£28.95

Pt.no DYN10227

 
 

Field coil for Lucas E3L dynamo

£35.90

Pt.no DYN10214

 

Lucas E3L Dynamo Bearing Commutator End (Double Sealed)

Pt.no. WE27218 £4.95

The Drive End Dynamo Bearing (Double Sealed) is Pt.no. WE27208 £4.95

 

Genuine Lucas

Magneto brushes for the K1F & K2F magnetos.

Pt. no. MAG10003

Pack of 5 £11.95

 
 

Magneto endcap for K1F & K2F

Pt. no. MAG61096

£14.50

 

Genuine Lucas

Dynamo Brushes E3L DYN10002 £17.95 / pr

 
 

Dynamo clip & screw £5.95

Pt. no DYN10409

OUT OF STOCK

 

 

Bakelite dynamo clip & screw

£5.95 Out of stock

Pt. no DYN10109

 
 

Genuine Lucas

Magneto Earth Brushes

Pt.no. MAG10001

Pack of 5 £11.95

Bakelite E3L Dynamo B Plate

Pt.no. DYN10422

£8.95

OUT OF STOCK

Later E3L dynamo end cover for Mag Dynos

Zinc plated Pt.no. DYN10431

Note position of mtg. screw hole & cutaway for wiring exit

£13.50

Brass magneto washers,

fit onto the end of the HT lead

inside the pickups.

Pt.no. MAG60803

£2.00 for 5

Later E3L dynamo end cover

Zinc plated Pt.no. DYN10431A

Note position of mtg. screw hole & cutaway for wiring exit

£13.50

 

Split bullets for Lucas

dynamos & regulators.

Pack of 6 £4.25

Pt.no.DYN10405

Traditional black rubber type cable ties. Made from synthetic rubber, these don't perish like the originals 4.0" long, wraps around frame tubes

0.50p each Pt.no. AC81603

 

Dynamo terminal cover

for Lucas dynamos

pre metal end cap

marked

LUCAS ENGLAND

Pt.no. DYN71055 £1.95

Chrome handlebar clip Holds the cables neatly against the bars, much more style than cableties

For std. 7/8" bars

Pt.no. CL83099

£2.95 ea.

Lucas style Bullet connecters, crimp or solder on

Bullets £1.50 / pack of 10 Pt.no. CON-B

Single connecter £1.50 / pack of 10Pt.no. CON-S

Double connector £1.50 / pack of 5 Pt.no. CON-T

 

Split bullets as used with Lucas dynamos/ regulators.

£4.25 / pack of 6

Pt.no. DYN10405

STANDARD COILS

Suit points ignition, Boyer, Pazon, Rita etc.

Genuine Lucas MA6 (6V) and MA12 (12V)

1.9" (48MM) dia. and 4 5/8" (118MM) overall length

As fitted to coil ign. bikes 1950s - mid 1960s

6V Pt.no. COI19378 1.8 - 2.4 Ohm

12V Pt.no. COI19379 3.0 - 3.4 Ohm

£23.95

 

  Mounting clips to suit MA6 & MA12 coils 48MM COI10069 Plated steel with nuts & bolts £4.95

Genuine Lucas coils 1 5/8" (40MM) dia x 4 5/8" (118MM) overall length

6V version also suits bikes with electronic ign. Boyer/Pazon/Rita etc.

6V Pt.no. COI19375L

12V Pt.no. COI19376L £24.95 each

 

Mounting clips to suit 40MM coils COI10068 Plated steel with nuts & bolts £4.95

 

 

HT lead clips to suit the above & most other coils

Pt.no. HTCL £1.00 each

   

Rubber 'boot' for HT Lead, mag. or coil & some plugcaps

Pt.no COI60401

£1.00 each

 

Hinckley Triumph coils

 

Genuine Lucas Single Outlet Digital 12V Ignition coil for Hinckley Triumph 900 Thunderbird, Adventurer, Legend, Trident 750/900 Daytona 750/900, Speed Triple 750/900 Tiger 885 and Trophy 900 models.

Pt.no. COI19382

£34.75 each

 

Genuine Lucas Dual Outlet Digital 12V Ignition coil for Triumph Hinckley Bonneville/T100 800/865, SE and Thruxton models.

Also suitable for some BMW models

Pt.no. COI19381

£39.95 each

 

TWIN OUTPUT COILS 6V &12V

Twin output coil 5 Ohm impedance for points or electronic ignition such as Boyer, Pazon, Rita etc. Comes complete all mounting hardware & wiring.

The moulded in HT leads are 585MM (23 inches) long. Body 70MM ( mountings 90MM centres) x 43MM

 

Lower power consumption, suitable for dynamo bikes. Pt.no.COI19371 £46.95

Now available for 6V systems. Comes complete with all mounting hardware & wiring. The moulded in HT leads are 500MM (20 inches) long.

1.1 Ohm impedance

Body 70MM (mountings 100MM centres) x 43MM

Pt.no.COI19370 £46.95 As fitted to Kawasaki Z1

These coils can also be used in place of a distributer on a vertical twin, just using the contact breaker to fire both cylinders as with electronic ignition.

Multi-Purpose Coil

 

Replacement Lucas Energy Transfer (ET) Ignition coil, for use on Triumph,BSA models . This coil can be used for both 6V and 12V points, or CDI/ET ignition systems. Original Lucas part numbers were LU45149 and LU45150.

Pt.no. COI19377 £18.95

 

Ign. Coils for Lightweights

Ign. coil for Bantam D1/D3/D7

Wipac no. S1233

Out Pt.no. COI19374

44MM wide, 28MM tall, 14MM square hole in the middle.

£32.95

 

Villiers Ign. coil (Short)

42MM body length, 34MM dia. Core length 64MM

Fits 31C/9E/10E/31A/32A/33A/34A Villiers Pt.no. M.2722E

Our Pt.no. COI19372 £22.95

 

Villiers Ign. coil (Long)

50MM body length, 34MM dia. Core length 74MM

Fits 1F/2F/4F/6F/10D/13D/29C/30C/6E/7E/8E

Villiers Pt.no. M.1361

Our Pt.no. COI19372 £22.95

 

 

AMMETERS

Sizes shown are the OD of the chrome bezel, the hole dia. will be 1/8" smaller

Lucas pattern

2" diameter

Pt.no. AM19000

£27.25

Lucas pattern

1 3/4" diameter

Pt.no. AM19002

£22.95

Lucas pattern

2" diameter 8-0-8

Pt.no. AM19001

£34.95

Lucas pattern

2" diameter 12-0-12

Pt.no. AM19007

£34.95

Lucas pattern

1 3/4" diameter

Pt.no. AM19008

£22.95

Miller pattern

2" diameter 8-0-8

Pt.no. AM19006

£34.95

Miller pattern

2" diameter 8-0-8 shallow type 15MM deep Pt.no. AM19009

£34.95

Lucas pattern

1 3/4" diameter

Pt.no. AM19019

£22.95

Lucas pattern

2" diameter

12- 0- 12

Pt.no. AM19011

£34.95

Genuine Lucas

8-0-8

These fit the headlamps on the lighting page and have the correct mounting 'tags' not a 'U'clamp

1 3/4" diameter LU36084

Pt.no. AM19021

£29.95

Genuine Lucas

12-0-12

These fit the headlamps on the lighting page and have the correct mounting 'tags' not a 'U'clamp

1 3/4" diameter LU36403

Pt.no. AM19020

£29.95

Lucas pattern

Ammeter, black face with metal case 1-3/4" Used on various models pre 1968

Pt.no. AM19010

White face Pt.no. AM19023

£17.50

 

 

 

PLUG CAPS

These copies of the old Lodge spark plug cap have no supressive resistors so are particularly suitable for magneto equipped bikes. The copper core of the HT lead screws onto a threaded spike and the rubber sheath is then clamped round excluding water. Pt.no. PL76020 £2.50 each

 

NGK non-resistive plug caps for magneto ignitions. These are made from the same rigid plastic as the resistive caps below and incoporpate the rubber waterproof seals over the top of the plug & the HT lead.

Pt.no. PL76023 £2.95 each

 

Champion resistive spark plug caps for coil ign. bikes as fitted to many british bikes for the 60/70s.

Pt.no. PL76019 £7.95 each

 

NGK supressed plug caps are sealed againgst moisture around both the plug and lead. Suitable for coil ignition bikes and cars.

Pt.no. PL76022 £4.25 each

 

 

Bullet connectors

Lucas style Bullet connecters

Bullets £1.50 / pack of 10 Pt.no. CON-B

Single connecter £1.50 / pack of 10Pt.no. CON-S

Double connector £1.50 / pack of 5 Pt.no. CON-T

 

Split bullets as used with Lucas dynamos/ regulators.

£3.95 / pack of 6

Pt.no. DYN10405

 

Bakelite dynamo clip & screw

£5.95 Out of stock

Pt. no DYN10109

 

 

 

 

HT LEAD

 

English made copper cored HT lead sold by the metre £2.95

Pt.no HTL

Made in England

 

SOLID STATE BATTERIES

See batteries page

 

WIRING LOOMS

 

This is a simple 'do it yourself' wiring loom kit intended for 6 or 12V alternator bikes using a regulator rectifier such as our A Reg One

The wiring is in the British standard colours & the kit contains all the connecters you'll need + a fuseholder & wiring tape (not shown)

Circuit diagram for Pos. & Neg. earth with all the colours marked is included. If you can read a map, you can read this.

Pt.no. WLALT £44.95 Assembled in England

Click here for circuit diagram

Now also for Negative earth dynamo bikes

Pt.no WLDYN- £44.95

 

GENUINE LUCAS WIRING LOOMS

Genuine Lucas premium quality cloth braided wiring looms. Supplied boxed with colour coded wiring loom installation plan

UK made. Lucas is a registered trademark of Lucas Industries Limited.

Looms using 88SA switches are fitted with OEM switch sockets.

BSA    
C15/B40 Distributer models 59-63 main harness Pt.no. WL19091 £84.95
C15/B40 side points 64-66

Pt.no. WL19093 £84.95

A50/65 Main Harness 66-67 Pt.no. WL19219 £84.95
A50/65 Main Harness 1967 Pt.no. WL19221 £84.95
A50/65 Main Harness 1968 Pt.no. WL19222C £84.95
A50/65 Main Harness 69-70 Pt.no. 19129C £99.45
A50/65 Contact breaker sub loom Pt.no. 19214 £6.85
Complete wiring Harness. As fitted to BSA A7/A10 Swinging Arm models (1954-1962). This wiring harness is supplied complete with sub looms for dyno, mudguard and dip switch! Lucas Part number 839780 NEG Earth Pt.no. WL19105C £59.95
Main wiring Harness. As fitted to BSA A7/A10 (1948-1956). POS earth Pt.no. WL19255C £45.95
Main wiring Harness. As fitted to BSA Bantam D10,D14 models. Direct replacement for Wipac S4609. Supplied with Switch sockets. Pt.no. WL19135 £83.95
Twin switch Coil Ignition Main wiring Harness. As fitted to BSA Bantam D7 models (1963-66). Direct replacement for Wipac S3536. Supplied with Switch sockets. Pt.no. WL19212 £83.95
Main wiring Harness. As fitted to BSA B and M Group models (1946-55) including B31,B32,B33,B34 and M20,M21,M33. Pt.no. WW19270C £59.95
TRIUMPH
Main Wiring Harness. As fitted to Triumph T140, TR7 (1974-78) main wiring harness. Lucas Pt.no. 54962258. Pt.no. WL19097 £115.95
Main wiring Harness. As fitted to Triumph T100 (1970-72). Pt.no. WL19080C £69.50
Main wiring Harness. As fitted to Triumph T120/TR6 (1971-73) and BSA A50/A65 (1970-72). Pt.no. WL19086C £59.95
Headlamp wiring Harness. As fitted to Triumph TR6/T120 (1971-73) and BSA A50/A65 (1970-72). Pt.no. WL19107C £45.95
Main wiring Harness. As fitted to Triumph T100,T120,TR6 models (1969-70). Lucas part numbers 54955256,57095. Pt.no. WL19113C £82.95
Main wiring Harness. As fitted to Triumph T140/TR7 (1978-80) Electronic Ignition with triple zenor diode models. Pt.no.WL19131 £115.95
Main wiring Harness. As fitted to Triumph T140/TR7 Three phase with single Zenor diode models (1979-80). Pt.no. WL19095 £115.95
Pre-unit T100/5T 1949 Mag/Dyno Nacelle Main Harness Pt.no. WL19281 £57.55
Pre-unit T100/T110/5T/6T 52-55 Mag/Dyno Main Harness Pt.no. WL19108 £57.55
Pre-unit T100/T110/T120 55-59 Mag/Alternator Main Harness

Pt.no. WL19242 £57.55

T110 60-62 Mag/Alternator Main Harness

Pt.no. WL19269 £57.55
TR6/T120 60-62 Mag/Alternator Main Harness Pt.no. WL19110 £57.55
T20 Cub Distributer with PRS8 switch Main Harness Pt.no. WL19243 £57.55
T20 Cub side points switches in Nacelle Main Harness Pt.no. WL19247 £77.50
3TA/5TA 57-62 PRS8 Switch Main Harness Pt.no. WL19109 £65.90
3TA/5TA 63-65 with 88SA Switches Main Harness Pt.no. WL 19121 £87.95
3TA/5TA Main Harness Pt.no. WL19257 £92.45
T90/T100/T120 63-64 Main Harness Pt.no. WL 19244 £87.95
T90/T100/T120 1965 Main Harness Pt.no. WL19122 £87.95
T90/T100/T120 66-67 Main Harness Pt.no. WL19120C £87.95
T90/T100/T120 1968 Main Harness Pt.no. WL19112 £87.95
NORTON
Norton Twins Alternator/coil ign. Main Harness 58-63 Pt.no. WL19156 £69.95
Norton Twins Alternator/coil ign. Main Harnes 1967 Pt.no. WL19160C £99.95
Lucas Main wiring Harness. As fitted to Norton Commandos (1970-74). Pt.no. WL19082 £71.95
Headlamp wiring Harness. As fitted to Norton Commandos (1970-74 Pt.no. WL19106C £39.95
Main wiring Harness. As fitted to Norton Commandos (1968-69). Pt.no. WL19124 £69.50
Main wiring Harness. As fitted to Norton Commando MK3 (1975 on). Pt.no. WL19132 £81.50
Headlamp wiring Harness. As fitted to Norton Commando MK3 (1975 on). Pt.no. WL19133 £69.50
Ignition Console Wiring Harness. As fitted to Norton Commando MK3 models (1975 on). Pt.no. WL19161 £6.00
Ignition Sub Wiring Harness. As fitted to Norton Commando MK3 models (1975 on). Pt.no. WW19162 £10.80
Front Brake Switch Sub Wiring Harness. As fitted to Norton Commando MK3 models (1975 on). Pt.no. WW19296 £4.75

 

PATTERN LUCAS ALTETTE HORN

Copies of the original Lucas Altette horns as fitted to many British bikes of the 1940s and 50s are now available.

These are accurate reproductions featuring a cast iron body and chrome bezel as per the originals and are just over 4 inches in diameter.

6V Pt.no. ALTH11048 £89.90

12V Pt.no. ALTH11048B £89.90

 

 

Mounting brackets

Single hole Pt.no. ALTH11049s £10.95

Twin mounting hole Pt.no. ALTH11049 £10.95

LUCAS ALTETTE PRETTY KIT

This kit will brighten your original Lucas Altette horn as fitted to many British bikes of the 1940s and early 50s. As in the photo all dome nuts and the locknut are supplied in chrome along with the bezel.

The only difference between this and the original is that the word Lucas is missing.

Outside diameter 4.55" Inside 2.75"

Pt.no. ALTH11050 £21.95 OUT OF STOCK

 

Click here for details of a simple and cheap way to fix a silent Altette horn.

HORNS

Mini Altette

 

A lot smaller and lighter than the full size Altette at 3 7/8" dia. the mini Altette has similar styling so doesn't look out of place on an old bike.

1 3/8" front to back with 1/2" mounting stud & bracket

Comes with a mounting bracket.

Pt.no HORN03 6V 11.95

Pt.no HORN04 12V 11.95

LUCAS PATTERN

 

These are copies of the Lucas No. 54068060 6V

and 54068062 12V horns from the 1960s.

Finished in satin black.

Approx. 3 7/8" dia

Pt.no. H11046 6V

Pt.no. H11047 12V

£44.95 each

 

Genuine Wipac

 

Twin Trumpet horns, 12V, one high tone one low tone. As loud as some air horns

The main dia. ie 85MM These are loud.

These aren't airhorns so don't need a compressor or relay.

Pt. no. High HOR5786, Low HOR5787

£9.95 each

Minature Horns

Minature horns in 6V & 12V. Black or Silver

70MM in dia, 100db. £6.00

Pt.no. HORS6V & HORS12V

 

Chrome horns. 6V & 12V 4.0" in dia.. 110db, slitted or plain.

Slitted 12V Pt.no. HORHEL004 £11.95

Plain 12V Pt.no. HOR12VCH £12.95

Slitted 6V Pt.no.HORHEL003 £11.95

 

 

HORN PUSHES AND DIPSWITCHES

 

Chrome handle-bar button earths the connecting lead and can be used for horns or magneto cut-outs. Lucas pattern

Pt.no. SW16006 9.95 for 7/8" bars

Pt.no. SW76204 £9.95 for 1.0" bars

Horn button  

Classic handle-bar button earths the connecting lead and can be used for horns or magneto cut-outs.

Black Pt.no SW694995 £6.95

Red Pt.no. SWK522 £6.95

 

Universal dipswitch. Can also be used as an on/off switch. £8.95

Pt.no. SWD008

 

Lucas pattern dipswitch/horn button £18.95

Pt.no SW19231

 

Lucas pattern dipswitch/horn button

Similar to above but screws to the back of one of the levers or handlebars

Pt.no SW19239 £18.95

 

Miller pattern dipswitch/horn button £16.70

Pt. no. SW86004

 

Wipac Ducon pattern S3857 dipswitch/hornbutton £18.95

Pt.no. SW10128

 

Wipac Tricon pattern S3858 dipswitch/hornbutton/killswitch £18.95

Pt.no. SW10129

 

Lucas Pattern dipswitch Lucas no. 31549 Gold Star, P/Unit Triumph, Sunbeam S7/8

Pt.no. SW19232

£19.90

 

FUSEHOLDERS

Modern blade type fuseholders. Waterproof and secure. Std. car size fuses. Spare fuses available at Halfords & any other car shops.

£2.95 with 30A fuse

Pt.no. FUBH04

Spare 30A fuses 0.25P each Pt.no.FUBH30

 

CABLE TIES

Traditional black rubber type cable ties. These don't perish like the originals and look a lot better than modern cable ties on an old bike.

To install, poke needle nose pliers through the hole, grab the large end & pull it back through the hole.

0.50P ea.

AC81603

 

BATTERY CHARGERS

 

Fully automatic battery charger. Can be switched between 6V & 12V

Suits all types of motorcycle battery

Auto-stop prevents overcharging

Maximum charge 1.0A, ideal for motorcycle batteries

Comes with extra eyeletted leads and quick release plug/socket for easy connection

Pt.no. BCH012 £19.95 + £3.95 P&P

 

 

 

Spare leads for the charger above. Also fits the Optimate/Accumate chargers.

Pt.no. BCH0N03 £3.95

...
What's new page
How to order
Genuine Lucas electrical parts
LED running lights for older cars/motorbikes
LED bulb replacements for cars & motorcycles
Brighter Quartz Halogen bulbs for older vehicles
Standard replacement bulbs, cars & M/cycles
Motorcycle indicators
Motorcycle batteries
Motorcycle & Car lighting
Motorcycle electrics
Pazon electronic ignitions & Mag. replacements
Alton generators, dynamo replacements
Motorcycle accessories
Motorcycle petrol taps and fittings
Motorcycle Oil Filter Kits
Speedos, tachos, drive units, mountings etc.
Handlebar levers for Classic Bikes
Girling Replica motorcycle shock absorbers
BSA fork upgrade kit & other A7/10 parts
Stainless Steel Silencer Clamps
Goffys Norbsa 850
Goffys A10
Goffys Dommi
Homepage

Write to me: 62 Clare Rd. Prestwood Bucks. HP16 0NU

Ring me on: 01494 868218

9.00AM - 5.30PM Mon./Fri.

Please leave a message if I'm out

Don't phone in the evenings, it makes me grumpy

For ordering see How to order

E mail me at: norbsa02@aol.com (use this address for Paypal payments)