The intake clearance is .10 - .15 mm(.004 - .006 in)
The exhaust clearance is .20 - ..25 mm(.008 - .10 in)
On the 1994 Yamaha Breeze the valve clearance on the intake should be set at 0.006 inches. The valve clearance on the exhaust should be set at .011 inches.
NO
.006 exhaust and .003 intake
.003 on intake and exhaust
Yamaha Breeze ATV engine valve settings "Cold Engine" Intake valve .003 to .005 thousands. Exhaust valve .004 to .006 thousands.
I don't know if different years have different specifications but here are the numbers I have for my kodiak 400. I think it is a 2006 Valve clearance (cold): Intake: 0.06 ~ 0.10 mm (0.0024 ~ 0.0039 in) Exhaust: 0.16 ~ 0.20 mm (0.0063 ~ 0.0079 in)
VALVE/TAPPET CLEARANCE (250 cc) Intake 0.03-0.08 mm (0.001-0.003 in.) Exhaust 0.08-0.13 mm (0.003-0.005 in.)
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intake and exhaust 0.15 mm or (0.006 in.)
A Yamaha ATV that small is carbureted , not fuel injected.
Top speed of the Yamaha Breeze ATV is 40-50 mph.