Spares for BSA WM20

This is a special page, solely listing spares for BSA WM20. Parts are genuine unless stated reproduction.

Spares for other WW2 Military motorcycles can be found here

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LUCAS MAG/DYNAMO UNIT . RESTORED .WW2 DATED

SUITABLE MANY WW2 BIKES WITH ANTI CLOCK ROTATION . PARTICULARLY BSA WM20 AND ROYAL ENFIELD C.SERIES.

LUCAS PERIOD TAIL LIGHT .GOOD CONDITION .

IT MAY BE A T 111 OR 112 NOT SURE , HAS NUMBER PLATE ILLUMINATION PANEL .

LUCAS MAGNETO 1944 BSA OR ROYAL ENFIELD.

WORKING WW2 DATED MAGNETO TAKEN FROM RUNNING BIKE -NOT RESTORED,-GOOD SPARK DRIVE COG IS FOR BSA .

LUCAS CONVOY LAMP.CONVOY LIGHT.

THIS CONVOY LAMP IS RE MANUFACTURED USING GENUINE LUCAS LIGHT COVER . VERY WELL MADE .

LUCAS 40W DYNAMO.-1944.

RE CONDITIONED UNIT -NEG EARTH.

COMPLETE CLUTCH.

USED CONDITION - READY TO CLEAN AND FIT .

BSA WM20 REAR WHEEL

REAR WHEEL -COMPLETE USED CONDITION.

READY TO FIT .INCLUDES SPINDLE ASSEMBLY

LUCAS MCR 1 MILITARY REGULATOR BOX.

THIS HAS BEEN RE CONDITIONED AND COMES WITH CERTIFICATE.

FORKS -COMPLETE SET.

STRAIGHT. CHECKED OVER BY JAKE ROBBINS .GOOD OVERALL USED CONDITION .

DRIVERS SADDLE WITH SPRINGS .

REPRODUCTION -LATE WAR TYPE THAT WAS PRODUCED TO FIT SEVERAL MAKES IN AN EFFORT TO HARMONISE SPARES .

REAR RACK – GENUINE.

HAD REPAIR TO 1 PANNIER HOLDING LUG AND SADDLE FIXING HOLES SLOTTED .

N.O.S REAR BRAKE DRUM

STORAGE MARKS ONLY .

REAR HUB -COMPLETE -GOOD CONDITION ,

HAS SMOOTH FEELING BEARINGS -ADJUSTERS .

REAR BRAKE PLATE WITH FITTINGS

SHOES,SPRINGS AND BRAKE ARM

REAR STAND – USED .

GENUINE STAND-NOT COPY , SOME WEAR TO FEET AS YOU WOULD EXPECT . NOW RARE .

REAR PILLION SADDLE SUPORT PLATE .

HARD TO FIND FOR PILLION SEATS .

CHAINGUARD – TOP RUN.

GOOD CONDITION READY TO FIT.

REAR STAND SPRING .

GOOD ORIGINAL SPRING

GEARBOX PLATES TO FRAME -LOWER BOLT WITH SPACER

SPACES FRONT OF GEARBOX PLATES .

FRONT ENGINE PLATE SET .

WITH CORRECT BOLTS AND SPECIAL VALVE LIFTER BOLT .

LOWER CHAINGUARD ON TORQUE STAY.

GOOD ORIGINAL PART OFTEN MISSING .

FRONT STAND/REAR STAY .

EARLY TYPE FOR KM OR EARLY WM BIKES .

OIL TANK WITH CAP

WITH WASHABLE FILTER . GOOD USED CONDITION .

GEARBOX PLATE SET WITH ALL FRAME FIXINGS .

INLUDES GEARBOX ADJUSTER SET . GOOD CONDITION .

DISPATCH RIDERS COAT. SIZE 12

DESCRIPTION IN UNIFORM & EQUIPEMENT PAGE.

COMPLETE BATTERY CASE .

ALL 4 PIECES .NICE USED LOOKING PART.

DRIVERS FOOTREST SET .

WITH PRIMARY CASE DISTANCE SPACERS .

REAR NUMBER PLATE WITH W.D REAR LIGHT .

POST WAR ITEMS BUT LOOK THE PART .

TOOLBOX PRE 1942. IN GOOD CONDITION .

EARLY MODEL AS NO PROVISION FOR DRIVERS PAPERWORK ON INSIDE LID .

MILITARY Y STRAPS

Y STRAPS. -UK MADE USING MILITARY GRADE WEBBING .- BRASS FITTINGS .

BEST MADE IN UK . ESSENTIAL FOR HOLDING DOWN BAGS .

GEARBOX MAINSHAFT SLEEVED NUT .

HOLDS ON THE CLUTCH. GOOD CONDITION

PISTON +60 USED WQITH PIN AND RINGS .

TAKEN FROM RUNNER , STILL GOOD TO USE , GOOD SIZE . NOT BSA . I CIRCLIP MISSING

N.O.S KM , DELUX AND EARLY WM COMBINED LEVER SET .

WITH PARKING BRAKE ,COMPLETE AND READY TO FIT .

BSA WM20 GEAR BOX

GEARBOX -GOOD CONDITION .

ALL GEARS SELECT . GOES THROUGH GEARS .

BATTERY CARRIER COMPLETE . -ALL 4 PARTS .

GOOD CONDITION WITH LUCAS SCRIPT ON FRONT . WITH FIXING -READY TO FIT .

FRONT WHEEL COMPLETE .

ORIGINAL RIM,SPOKES AND WORKING SPEEDOMETER DRIVE .

BSA PRE-WAR BRAKE LEVER WITH RARE HORN BUTTON .

COMBINED FRONT BRAKE LEVER ,AIR LEVER AND HORN BUTTON.

PRE-WAR AND 1939 KM OR DELUX . PARKING BRAKE WORKS AND HAS CABLE CLAMP.

BSA WM20 TOP GIRDER FORK YOKE

TOP GIRDER FORK YOKE .

WITH ORIGINAL HANDLEBAR CLAMPS , NEEDS A GOOD CLEAN

STEERING DAMPER SET , COMPLETE.

READY TO FIT WITH ALL PARTS AND UNDAMAGED KNOB

W D M20 PILLION FOOTREST.

PILLION FOOTREST .

NICE CONDITION . HARD TO FIND .

COMPLETE GEARBOX PLATE SET WITH ALL LOWER FRAME PARTS .

AS YOU CAN SEE TAKEN FROM SAME BIKE AND ALL BSA

HINGED TOOLBOX -PREWAR BSA AND ARIEL.RARE PART.

I ELIEVE THIS WAS A BSA FITTMENT AS THE MOUNTING LUGS HAVE BEEN REMOVED BUT LOOK THE SAME AS IN 1939 PARTS BOOK .

BSA WM20 COMPLETE ,RUNNING ENGINE .

COMPLETE RUNNING ENGINE 1940.

WE HAVE RUN THIS ENGINE . +20 WITH GENUINE BSA PISTON.

REAR BRAKE PEDAL FRAME BOLT WITH NUT .

WAS A VERY GOOD FIT ON PART 7219

REAR BRAKE PEDAL.

GOOD CONDITION .

GIRDER FORK SIDE DAMPER KNOB.

GOOD CONDITION ,NOT SEEN MUCH USE .

N.O.S BRAKE SHOES 35-9235- FIT ALL WW2 BSA M20.FRONT & REAR .

FANTASTIC CONDITION . THESE FIT ALL PRE WAR M SERIES BIKES ALSO POST WAR M20.SOLD IN PAIRS ONLY.

N.O.S LICENSE PLATE HOLDER-CLIP FITTING

MANAGED TO GET 1 MORE .IN R.A.F BLUE.

N.O.S LICENSE DISC HOLDERS .

JUST PICKED UP A FEW MORE

SUMP GUARD – WELL USED GENUINE PART-WITH CLAMP.

THIS SUMP OR BASH PLATE HAS MANY DENTS WHICH SHOWS HOW ESSENTIAL THEY ARE .

FRONT MUDGUARD -GOOD CONDITION PART .

THIS IS A REALLY NICE AND READY TO USE MUDGUARD.

CRANK WITH EXCELLENT BIG END AND GOOD TAPERED BEARINGS .

BRITISH MADE BEARINGS WHICH I WOULD USE IN MY OWN MACHINE .

SET OF CRANKCASES .- MID WAR .IN REALLY GOOD CONDITION .

MAG PLATFORM IS LIKE NEW ! COMES WITH MAG/DYNO STRAPS AND OIL SPINDLE

COMPLETE FRAME WITH V5C PAPERS -1942

A GOOD MID WAR FRAME THAT HAS BEEN LOOKED AT BY JAKE ROBBINS AND HAD SMALL REPAIR TO REAR FRAME MAKING IT SAFE AND READY TO REBUILD IMMEDIATELY.

CYLINDER HEAD -THICK FINS -WITH HEAD BOLTS AND GASKET .

SMALL AMOUNT OF FIN DAMAGE WITHIN USEABLE LIMITS SET BY MILITARY .

AMAL 276 C/1B CARBURETTOR .

MISSING CHOKE ASSEMBLY . UN-TESTED .

LIFTING HANDLE .66-6947

42 ONWARDS . GOOD CONDITION

PRIMARY OUTER – EXCELLENT CONDITION WITH INSPECTION PLUG.

THIS COVER HAS NOT BEEN BASHED ABOUT . VERY PRESENTABLE COVER . CORRECT INSP:CAP 27-209

REAR MUDGUARD .- FLAT TYPE-42-45 .

A VERY SOLID GUARD THATS BEEN WELL COATED . REALLY GOOD TAILPIECE .

REAR FOOTBRAKE SPRING .

GOOD USED PART .

VALVE SET- GOOD CONDITION . VALVES,SPRINGS ,CUPS AND COLLETS

THESE HAVE HAD VERY LITTLE USE . NICE SET .

PETROL TAPS – POST WAR ,WITH CORRECT TANK INSERTS WITH GOOD FILTERS .

INSERTS GOOS AS ARE FILTERS ., 1 TAP HAS LEVER MISSING .

REAR ENGINE / GEARBOX PLATES WITH ADJUSTER AND STOP .

ENGINE BOLTS ARE THERE -ALL ORIGINAL

ENGINE PLATE SET -HAS CORRECT NUTS AND BOLTS

ALSO VALVE LIFTER BOLT . GOOD CONDITION .

N.O.S LUCAS MILITARY 4 POSITION T LIGHT SWITCH IN BOX .

they dont come better than this for condition ! as new , 1 only

HEAD STEADY- GOOD CONDITION. 66-421

often missing .they were fitted to help control vibration problems .

LUCAS HF1235 ALTETTE HORN-WORKING . 6V.

THIS IS A GENUINE W.D ISSUE HORN.DATED 1950 BUT SAME AS WW2. STILL SHOWING MILITARY PAINT

DRIVE SPROCKET SET .

GOOD CONDITION 19 TOOTH SPROCKET

K.L.G NOS PLUG IN GENUINE TIN .

great part to complete your toolbox gear. suitable all bikes except large plug Nortons .

FRONT MUDGUARD STAY .

GOOD TO USE .

FOOTBRAKE FRAME BOLT AND BUSH

good used condition .

CANVAS HANDELBAR COVERS – 7/8″ .

THESE ARE BEST REPRODUCTIONS CURRENTLY MADE IN UK.

SPRUNG DRIVER SADDLE PILLAR BOLTS

NICE RE-WORKED CONDITION .- FEW ONLY .

CUT DOWN PILLION FOOTRESTS

SOMEONE HAS CUT SHORT POST WAR !! MAY BE OF SOME USE .

REAR LIFTING HANDLE. KM AND UP TP 42.

HAS BRAZED BOSS FOR EARLY HORIZONTAL STAY .

LUCAS W.D 4 POSITION LIGHT SWITCH.

USED PART. TESTED AND WORKING

AMAL 276 C/1B WITH “LONG NECK” AMAL FLOAT.

THESE WERE OFTEN USED WITH VOKES AIR FILTER SETS AS GAVE MORE ROOM.

PRE WAR OUTER GEARBOX CASING BSA M SERIES .

PRE WAR GEARBOX OUTER .

NO CRACKS BUT CORROSION PITS IN PLACES . FITS WHOLE RANGE OF PRE WAR M SERIES BIKES .

N.O.S SUMP GUARD-2ND PATTERN. GENUINE. RARE.

THESE SUMP GUARDS ARE NOT YET COPIED WELL ,THESE ARE BSA FITTED 42-45 EXCELLENT CONDITION WITH CLAMP AND NUTS .

AMAL N.O.S FLOAT CHAMBER WITH PETROL PIPE FITTING

CORRECT 1M WM20 FLOAT CHAMBER WITH FLOAT , STORAGE WEAR .

W.D BATTERY CARRIER -ALL 4 PARTS -READY TO FIT . VGC

THIS SET FOR WM20 . STRAPS HAVE BEEN WELL REPAIRED AT SOME TIME .NOS TOP FIXING WITH ACORN NUTS .

AMAL 276 C/1B. -COMPLETE CARBURETTOR.

GOOD CLEAN LOOKING CARB WITH SOME NEW PARTS FITTED .

OIL TANK IN BLACK-GOOD CONDITION .

NO DENTS SEEN. -WORKING LID

gearbox mainshaft, sleeved, nut. -holds on clutch

good condition ,nice flats to nut

METAL PETROL PIPE -ORIGINAL FITMENT.

TAKEN FROM RUNNING MACHINE . RARE PART.

CLUTCH ACTUATING CAP WITH ADJUSTER.

ABOVE AVERAGE CONDITION.LITTLE USEAGE.

FRONT MUDGUARD STAY.

GOOD -STRAIGHT

KICKSTARTER PEDAL -M SERIES -CHROMED

BEEN CHROMED SOME YEARS ,STILL GOOD FOR CIVVY BIKE OR BOBBERS

GEARBOX PLATES -PAIR

JUST PLATES-GOOD CONDITION.

BARREL AND PISTON .+40 LITTLE USED . FIN DAMAGE.

AS NEW PISTON . BARREL HAS SEVERAL FINS DAMAGED ON TAPPET/VALVE CHEST SIDE .GOOD FOR RIDER WHO WANTS CHEAPER OPTION .

MODERN REPRO 6 1/2″ DU42 COPY .

COMPLETE .GOOD REFLECTORAND BULB HOLDER .

CUT OFF PETROL TANK-1942 ONWARDS .

VERY GOOD CONDITION ,GENUINE. GOOD CAP .LOOKS GOOD INSIDE

bottom end -complete- very good runner – 1943

serviced in 1955 and little used . good engine to use .

BSA 1941-1945 PVC COVERED SPEEDO CABLES .

THESE FIT ALL BSA WM20,S . UK MADE . USED LATER WAR 42-45

RUBBER COVERED SPEEDO CABLES FOR BSA 1939-1941

JUST IN SMALL BATCH ,MADE TO MY SPEC.

FRONT WHEEL-COMPLETE WITH SPEEDO DRIVE .

GOOD RIM, RE SPOKED, GOOD HUB . BRAKE PLATE SHOES AND DRUM GOOD .

SMITHS PRE WAR SPEEDOMETER

SMITHS SPEEDOMETER.- PIN DRIVE PRE WAR . FITTED TO BSA AND NORTON .

THIS IS A FULLY RECONDITIONED AND GUARANTEED UNIT BY PHIL WOODS . INCLUDES GENUINE CABLE

TOOLBOX – PRE AND POST WAR M20 RANGE .

GOOD CONDITION -READY TO FIT . HAS HAD EXTRA BRACKET PUT ON .

OIL TANK , WITH GOOD LID .

GOOD USEABLE CONDITION .

FRONT ENGINE PLATE COVER . FITTED TO SOME DELUX 1940 MODELS

RARE PART . BELIEVED FITTED TO LATE 39/EARLY 40 W M 20S .

BSA REAR MUDGUARD TAIL PART.

REAR MUDGUARD TAIL -66-6941

EXCELLENT ORIGINAL CONDITION .NO REPAIRS .LITTLE USED.

KICKSTART LEVER

SOME PITTING WITH PIN

FRONT ENGINE PLATE SET WITH GENUINE BOLTS

NICE SET INCLUDES VALVE CABLE SPECIAL BOLT

BSA WM20 LIFTING HANDLE

LIFTING HANDLE . 1942 ONWARDS

GOOD CONDITION -READY TO FIT . FITS ANY MODEL.

BSA WM20 FRONT STAY

FRONT MUDGUARD STAY

GOOD CONDITION .

DU42 SHELL

LUCAS DU42 WW2 HEADLIGHT SHELL WITH SWITCH PLATE

VERY GOOD CONDITION HAS SPRING FOR CLIP BUT NOT CLIP

BRAKE ROD SUITABLE FOR MANY BIKES

CAME FITTED TO BSA WM20 . NOT CORRECT FOR BUT WORKED.

BSA M20 VALVE LIFTER

EXHAUST VALVE LIFTER ASSEMBLY -COMPLETE

GOOD -USED - VALVE LIFTER -A MUST HAVE PART FOR YOUR BIKE .

REAR BRAKE PEDAL SHAFT 66-7029

GOOD WITH CORRECT NUT

REAR BRAKE PEDAL WITH BUSH

STRAIGHT ,GOOD CONDITION PEDAL

bsa wm20 toolbox

ww2 toolbox ready to fit and use .unrestored.

has all fittings . knob is not original and hole has been enlarged to take it . good for users not for restored bikes .

BSA WM20 COMPLETE REAR CHAINWHEEL

REAR BRAKE PLATE AND CHAINWHEEL ASSEMBLY . COMPLETE WITH STUB AXLE

THE CHAINWHEEL IS IN GREAT CONDITION , TEETH VERY GOOD .READY TO FIT WITH BRAKE LEVER AND ADJUSTERS AND REAR BOLTS.

BSA RIGID REAR FRAME WW2

REAR FRAME, 1942 -45 WITH FOOTREST LUGS

GOOD CONDITION REPAIRED SILENCER ATTACHMENT

RARE PRE-WAR BSA FRONT HUB _3240

RARE PRE WAR 350cc HUB WITH SPINDLE AND INTERNALS

TURNS ,HAS NO PROVISION FOR LEFT SIDE SPEEDO BOX. CORRECT FOR ROD TYPE BREAKS , thinner shoes and drum than heavyweights .

BSA SPEEDOMETER BRACKET

SPEEDOMETER BRACKET

GOOD CONDITION -READY TO FIT

ww2 Lucas du42 headlight shell

HEADLAMP SHELL- LUCAS DU42 WITH CLIP 6 1/2″ WW2

good condition du42 ready to fit

BSA M20 COMPLETE BRAKE PEDAL SET

REAR BRAKE FOOT PEDAL WITH FULCRUM PIN,PEDAL STOP AND SPRING

READY TO FIT COMPLETE ASSEMBLY LESS ROD

bsa wm20 pillion footrests

PILLION FOOTRESTS – PAIR

GOOD CONDITION RESTS

bsa m20 head steady

head steady -66-421

fitted to all wm20 and postwar m series , THESE ARE NOT JUST TUBES ! I get lots of bikes with wrong head steady!

REAR BRAKE STOP PLATE BSA WM20

REAR BRAKE PEDAL STOP PLATE 66-7033

WITH SPRING . GOOD CONDITION

bsa m20 gearchange lever

GEAR CHANGE FOOT LEVER

in desert colour-good splines

bsa wm20 gearbox adjuster tie rod

GEARBOX ADJUSTER TIE ROD

good condition part.

BRASS CONVOY LIGHT CONNECTOR ASSEMBLY -NEW

NEW – REAR TAIL LIGHT CONNECTOR ASSEMBLY 4 PARTS AS ORIGINAL

THESE ARE VERY ACCURATELY MADE BRASS COINNECTORS . THE PROPER FITTING FOR CONVOY LIGHT AT REAR

MAG/DYNO DRIVE SPROCKET .

GOOD CONDITION MAGNETO SPROCKET FOR M20

LUCAS HEADLAMP DU42 PANEL AND WW2 SWITCH

LUCAS DU42 PANEL WITH GOOD 4 POSITION MILITARY SWITCH

WORKING PART ,FITS ALL WW2 MOTORCYCLES WITH SMALL DU42 HEADLIGHT UNIT .

wm20 frame complete with v5c

FRAME COMPLETE WITH V5C.may split .

EARLY FRONT FRAME good straight . later rear 42 onwards .

bsa wm20 clutch centre castellated nut

clutch center nut . genuine , used

useable part , thread takes up well , often stripped !

bsa wm20 kickstart pedal

kickstarter pedal .

well used ,pitted , good for unrestored bike

m20 rear brake arm

REAR BRAKE ARM

what can I say ! its a brake arm , rear wheel :)

genuine ,used ,clutch plates .

some of these are quite useable .

m20 clutch chainwheel used

clutch chainwheel, well used

useable, would get you out of trouble ,1 chipped tooth . correct rollers .

clutch plate center

clutch center ,used

from same working clutch .

clutch center spring

clutch spring , original ,used

this clutch was working so useable .

w.d rear convoy lamp

w.d rear convoy lamp . not ww2

nice w.d tail light. looks good on rear number plates .

m20 drive set

drive set , good spring etc

used good working shock absorber set

bsa magneto cable

magneto cable

good , used , magneto cable

KICK START LEVER .

KICK START LEVER .

GOOD CONDITION LEVER

BSA PILLION SEAT MOUN

BSA PILLION MOUNT PLATE.

HARD TO FIND REAR SEAT MOUNT THAT WAS MAINLY USED WITH FULL PANNIER SETS

WAR ARMY NUMBER PLATE

POST WAR ARMY NUMBER PLATE .with modern tail light

these post war plates were to take the 2 number ,2 letter , 2 number w.d identification .

M20 OIL SUPPLY PIPES . RARE .

N.O.S OIL SUPPLY/RETURN PIPES ,COMPLETE

RARE FIND !! N.O.S . STORED 70+YEARS AND RUBBER FANTASTIC ,NOT PERISHED , ORIGINAL CADNIUM PLATE .

N.O.S front hub felts. L.H

N.O.S front hub felts. L.H

Original grease retaining felts

Smiths military speedometer, pin drive, pre 1940

Smiths military speedometer, pin drive, pre 1940

Suitable for K.M series and de-lux WM20, fully reconditioned by Phil Woods

N.O.S gearbox oil filler plug

N.O.S gearbox oil filler plug

Replace the chewed head!

Lucas magneto suitable for BSA .To restore

Lucas magneto suitable for BSA. To restore

Turns but will need rebuild

Lucas D U 42 headlight unit

Lucas D U 42 headlight unit WITH WW2 1941 DATED CZ27AMP AND T SWITCH.

Refurbished ready to paint. Fits all W.D WW2 Lucas equipped motorcycles . THEY DONT COME BETTER THAN THIS .

Toolbox with knob

Toolbox with knob

Good condition

8" Lucas blackout

8″ Lucas blackout

Often seen in Malta

7/8″ Canvas Throttle & Left Side Covers

7/8″ Canvas Throttle & Left Side Covers

Best new product on market. UK made

Late war engine, running

Late war engine, running

+20 very good condition

N.O.S engine/crank case bolts

N.O.S engine/crank case bolts

Holds primary case on and wired

Kick Starter Quadrant

Kick Starter Quadrant

Good condition

Lucas panels with push changer switch

Lucas panels with push changer switch

Used with test switch in housing. Will make nice set

Lucas DU42 headlamp shell

Lucas DU42 headlamp shell

Bare, original anti-gas paint. Rare

Reproduction Front Tank Mounting Sets

Reproduction Front Tank Mounting Sets

Used to protect tanks from vibration damage. Sold as pair. Few only

NOS Engine Bolts

NOS Engine Bolts

x 5 in pack

WM20 55481 Complete Engine

WM20 55481 Complete Engine

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WM20 Cases

WM20 Cases

Good cases. Some wear on Mag platform. Unstamped

Crank Cases

Crank Cases

Good condition. Well marked

BSA WM20 Good Running Engine

BSA WM20 Good Running Engine

On good +30 bore. Pulls & runs well