1. Locknut
2. Adjusting bolt
1. Contre-écrou
2. Boulon de réglage
1. Contratuerca
2. Perno de ajuste
Valve clearance adjustment
The correct valve clearance changes with use,
resulting in improper fuel/air supply or engine
noise. To prevent this, the valve clearance
must be adjusted regularly. This adjustment
however, should be left to a professional
Yamaha service technician.
Throttle lever adjustment
NOTE:
Adjust the engine idling speed before adjust-
ing the throttle lever free play.
1. Loosen the locknut.
2. Turn the adjusting bolt until the throttle le-
ver free play is 3 ~ 5 mm.
a. 3 ~ 5 mm
3. Tighten the locknut.
8-37
EBU00303
EBU00307