BSA WM20 Used Engine Spares

This is a special page, solely listing spares for BSA WM20 Engine parts.

Parts are genuine unless stated reproduction.

Spares for other WW2 Military motorcycles can be found here.

CRANKCASE SET . LOW MILAGE SET . MATCHING SET. SOME DAMAGE .

BIKE HAD AN ACCIDENT IN USA . - CRANKCASES GOT HIT ON SIDE MAKING SMALL INTERNAL CRACK THAT WEEPED .

66-2007 CAM SPINDLE BOLT X2

USED -GOOD CONDITION .

65-2335 IDLER PINION SPINDLE.

TAKEN FROM LOW MILAGE ENGINE . GOOD CONDITION .

65-2425 CAM PINION SPINDLES.

USED-TAKEN FROM LOW MILAGE ENGINE

N.O.S ENGINE BEARING CIRCLIP -STILL IN GREASE.

RETAINS THE DRIVE SIDE MAIN BEARING.

SET OF CAMS – GOOD USED CONDITION .

NICE PAIR WITH WHAT LOOKS GOOD PROFILES .

COMPLETE VALVE SET .GENUINE BSA VALVES .

LITTLE USED SET WITH SPRINGS AND COLLETS ETC .

VALVE CHEST COVER .

GOOD CONDITION PILED ARMS EARLY COVER .

timing cover -late war -good condition .

good quill -just removed from running engine .

VALVE SET . IN AND EXHAUST .

USED -GOOD CONDITION -BEEN RE CUT .

PISTON +60 USED WITH PIN AND RINGS .

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

CRANK WITH EXCELLENT BIG END AND GOOD TAPERED BEARINGS .

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

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

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

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

THESE HAVE HAD VERY LITTLE USE . NICE SET .

OIL PUMP FIXING BOLTS X2 65-2604

GOOD CONDITION -READY TO FIT

OIL PUMP – GOOD CONDITION

USED . STILL LOTS OF LIFE LEFT

OIL PUMPS X 2 FOR SPARE PARTS .BUILD ONE .

COMPLETE , SHOULD GET 1V GOOD PUMP +SPARES

TIMING CHEST BOLT SET

WITH SPECIAL CAM PINION SPINDLE BOLTS 66-2007

OIL PUMP DRIVE SPINDLE .

REALLY GOOD CONDITION PART .

CRANKCASE SCAVENGE COVER 65-2611

GOOD CONDITION COVER

BSA WM20 VALVE COLLARS

66-221 VALVE SPRING COLLARS

GENUINE ,used set but rubber been replaced on one .

VALVE SPRINGS . GENIUNE.

USED BUT GENUINE.

BSA M20 VALVES

PAIR OF VALVES.-USED – HAVE BEEN RE FACED

GOOD CONDITION GENUINE VALVES.

3 good crank bearings

3 good crank bearings

Genuine minor use

Ex/In Valves Set

Ex/In Valves Set

Complete with split collars