vstar650..hot.........cold intake .007-.012 .003-.005 exhaust .012-.017 .005-.007 measurements in inch thousands
valve clearance for vstar 650
.004" intake, .006" exhaust. Per several websites and Clymer/Haynes manuals.
Valve clearances on a cold engine for the YBR 125ed when measured at top dead centre on the compression cycle are :- 0.08 - 0.12mm for the inlet 0.10 - 0.14mm for the exhaust
Valve clearance (cold) IN 0.10 ~ 0.15 mm (0.0039 ~ 0.0059 in) EX 0.20 ~ 0.25 mm (0.0079 ~ 0.0098 in)From Yamaha shop manual