Honda VT600C Shadow VLX Service Manual page 254

I G N ITION SYSTEM
The timing is correct if the " F" mark aligns with the index
mark on the right crankcase cover at idle for each cylinder.
Raise the engine rpm and the " F " mark should begin to rotate
counterclockwise for each cylinder.
If the ignition timing is incorrect, make a system inspection
( page 1 6-3) and replace any faulty parts .
1 6 - 8
( 1
l " F " M A R K
( 2 ) I N D E X
M A R K