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.

PILED ARMS VALVE CHEST -TAPPET COVER

EARLY COVER ,GOOD CONDITION .

CRANKCASE BREATHER ASSEMBLY COMPLETE.

USED PART. TESTED AND WORKING

MAGDYNO DRIVE IDLER PINION. 66-2250

USED - GOOD TO USE .COMPLETE WITH BUSH.

PAIR OF CAMS. INLET AND EXHAUST.

CLEAN AND SHINEY SURFACES , USEABLE.

VALVE SET COMPLETE.VALVES,SPRINGS AND COLLET PARTS .

COMPLETE READY TO FIT .VALVES WILL TAKE GRINDING IN .

OIL PUMP SPINDLE RETAINING PIN.

GOOD CONDITION READY TO FIT .

OIL PUMP SPINDLE 66-2620

USED -GOOD CONDITION FOR AGE .

OIL PUMP BOLTS 15-848

GOOD STRAIGHT PAIR.

OIL PUMP COMPLETE. 65-2619

USED -GOOD CONDITION FOR AGE . NO CRACKS TO BODY NOTED .

SET OF USED GENUINE MAIN BEARINGS .

GOOD TO USE IN MY OPINION . GENUINE BEARINGS NOW HARD TO FIND.

BARREL AND PISTON .+ 20. 1/2MM O/S .BSA PISTON 66-1025

ALTHOUGH FINS ARE RUSTY THEY ARE NOT DAMAGED AND STILL REASONABLY THICK . USEABLE .WITH VALVE GEAR AND PART OF VALVE LIFTER.

TIMING COVER -WW2 TYPE.

NICE CONDITION . HAS GOOD QUILL. JOINT FACES GOOD .

TIMING GEAR PLATE

GOOD TO USE.SOME SURFACE RUST BUT GOOD BUSH.

SET OF CAMS FROM SAME ENGINE .

GOOD USEABLE CONDITION .

ENGINE DRIVE SET. 18 TOOTH.STANDARD WW2 ISSUE.

GOOD USED SPROCKET WITH ALL 4 MAIN PARTS .

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 .

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 .

bottom end -complete- very good runner – 1943

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