Valve clearance 71’ xs

77ChopOn

XS650 Member
Messages
5
Reaction score
0
Points
1
Location
Mississauga
hi all
What is the recommended valve clearance for 1971 Xs650?
I have seen conflicting info in previous threads.
I would like to optimal clearance to reduce nose and keep well lubricated.
Your expertise would be appreciated
 
Here's the service bulletin that came out in 1972.
I've run varieties of clearances within these values with no issues.
Currently running 0.003" intake, 0.006" exhaust...

72-03-20_S288-01_ValveClearanceChange.jpg



Also, have a look at peanut's post #7, about SmedSpeed, and the following posts.
http://www.xs650.com/threads/1978-xs650-engine-knocking-noise.45277/#post-452426
 
Last edited:
Back
Top