Anonymous
02-17-2006, 04:29 PM
I was told by one of the technical advisors for the Sunbeam Register that "ALL THREADS ON YOUR SUNBEAM ARE 55 DEGREE WHITWORTH FORM CYCLE THREADS".
Hope this helps anyone that needs it. I have a 1929 Sunbeam motorcycle Model 8. I would love to hear from anyone that has any Sunbeams from 1928-38.
Hope this helps anyone that needs it. I have a 1929 Sunbeam motorcycle Model 8. I would love to hear from anyone that has any Sunbeams from 1928-38.