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1. Adjusting bolt
2. Locknut
1. Boulon de réglage
2. Contre-écrou
1. Perno de ajuste
2. Contratuerca
Valve clearance adjustment
The correct valve clearance changes with use, re-
sulting in improper fuel/air supply or engine noise.
To prevent this, the valve clearance must be ad-
justed regularly. This adjustment however, should
be left to a professional Yamaha service techni-
cian.
Throttle lever adjustment
NOTE:
Adjust the engine idling speed before adjusting the
throttle lever free play.
1. Loosen the locknut.
2. Turn the adjusting bolt until the throttle lever
a. 3 ~ 5 mm
3. Tighten the locknut.
8-43
free play is 3 ~ 5 mm.
EBU00303
EBU00307
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