Yamaha YZ125N1 Motorcycle User Manual


 
3-15
IDLE SPEED ADJUSTMENT/MUFFLER INSPECTION/
SILENCER FIBER REPLACEMENT
INSP
ADJ
EC35M010
IDLE SPEED ADJUSTMENT
1. Start the engine and thoroughly warm it up.
2. Adjust:
9
Idle speed
EC35P010
MUFFLER INSPECTION
1. Inspect:
9O-ring 1
Damage Replace.
EC35R041
SILENCER FIBER REPLACEMENT
1. Remove:
9Seat
9Side cover (right)
9Bolt (silencer) 1
9Silencer 2
9Bolt (fiber) 3
Adjustment steps:
9Loosen the locknut 1.
9Turn the throttle stop screw 2 until the en-
gine runs at the lowest possible speed.
9Tighten the locknut.
To increase idle speed Turn the throttle
stop screw
22
in.
To decrease idle speed Turn the throttle
stop screw
22
out.
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