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BSA Piston B33/M33 1954-60 +040
BSA Piston B33/M33 1954-60 +040
BSA Piston B33/M33 1954-60 +040

BSA Piston B33/M33 1954-60 +040

BOA12H. 65-1664.

BSA Piston B33/M33 1954-60 +40 =86 mm

middle gudgeon pin to Crown 48 mm

Gudgeon Pin Diam. 19 mm

Piston Clearance 0.12mm or 45thou

for short conrod

Compression Ratio 7.5:1

65-1613 Conrod

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