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M20 PRIMARY DRIVE

 

 

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SCREW PRIMARY CHAINCASE
01-4606
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Screw 2BA (32TPI) for the steel primary chaincase. Zinc plated. (You need 16)

CLUTCH KEY
02-0433
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bsakoppelingsspiekano_000
Coffin type
15,1MM X 4,75 X 5,38MM

CRANKSHAFT SPRING M AND C MODELS
15-0046
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British Made brand new damper spring.
Inner diameter 1 3/4", length 1 3/4"

ENGINE SPROCKET 4 LOBE 20T
15-1564
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Top quality sprocket, made in Coventry.

ENGINE SPROCKET 4 LOBE 18T
15-1566E
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ENGINE SPROCKET 4 LOBE 17T
15-1567E
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ENGINE SPROCKET 4 LOBE 16T
15-1568E
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INSPECTION PLUG IN STEEL PRIMARY CHAINCASE
27-0209
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Choose finish please

FELT WASHER

42-7504
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Fits all primary chaincases on separate gearbox BSA's

CORK GASKET PRIMARY CHAINCASE M20/21
66-7514
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Also B31/32/33/34 with steel primary chaincase.
NOT C11G

SLIDING PLATE
66-7520
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Fits all primary chaincases on separate gearbox BSA's