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EBU13970
Idle speed adjustment
A special tester is needed to check the engine
r/min on this model.
Therefore, take the ATV to a Yamaha dealer
to have the idle speed adjusted.
EBU00303
Valve clearance adjustment
The correct valve clearance changes with
use, resulting in improper fuel/air supply or
engine noise. To prevent this, the valve clear-
ance must be adjusted regularly. This adjust-
ment however, should be left to a professional
Yamaha service technician.
Specified idle speed:
1,750–1,850 r/min
U5TG10.book Page 28 Monday, April 7, 2003 8:50 PM