Crankcase end float

Started by Thomas, December 07, 2020, 08:18:03 PM

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Thomas

Hello,

can somebody tell me the right crankcase end float of my 1937 Model 9? A Sunbeam fellow says 2-4 thou whereas Pitman's Book of the Sunbeam gives 4 thou for sidevalves and 10 for the Model 90 "or an engine required to 'rev'."

Thomas
1946 BSA C11
1937 Sunbeam Model 9
... and a scratched Hyundai
(MSCR member)