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1. Locknut
2. Adjusting bolt
1. Contre-écrou
2. Boulon de réglage a. Jeu: 3–5 mm
1. Contratuerca
2. Perno de ajuste a. Juego libre: 3–5 mm
a. Free play: 3–5 mm
8-41
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
free play is 3–5 mm.
3. Tighten the locknut.
EBU00303
EBU00307
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