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 COVER.

NICE CONDITION PART.

BOTTOM END BEARING SET.USED

GENUINE BEARINGS FROM 1954 REBUILD . GOOD USEABLE AND BETTER THAN SOME NEW BEARINGS WE ARE GETTING .

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 .

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

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

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 .

TIMING PINION 65-692

GOOD CONDITION AND TEETH

TIMING SIDE SET -3 PIECES

ALWAYS BEEN TOGETHER .

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.

VALVE LIFTER ARM.

GOOD CONDITION SERRATIONS . THIS ALLOWS CABLE/LIFT ADJUSTMENT TO SET VALVE LIFTER CLEARANCE

3 good crank bearings

3 good crank bearings

Genuine minor use

Main Bearing Set x 4

Main Bearing Set x 4

Used good + condition

Cam Pinion Spindles

Cam Pinion Spindles

Inlet and Exhaust

Ex/In Valves Set

Ex/In Valves Set

Complete with split collars