BSA B33/M33 Piston 500 cc +40, 1946-53
B149. 65-1262/+40. 65-1244BSA B33/M33 Piston 500 cc +40, 1946-53
1946-1953
Hep 11341+40
+040 = 86 mm
65-1262
to be used with flywheels
65-1235 und 65-1235
to be used with conrod 66-482
Piston Clearence 0.12mm or 45thou
Gudgeon Pin: 19mm
Compression Height: 31.1mm
for long conrod