Idle Speed Adjustment; Muffler Inspection; Silencer Fiber Replacement - Yamaha YZ250(V) Owner's Service Manual

IDLE SPEED ADJUSTMENT/MUFFLER INSPECTION/
A
B

SILENCER FIBER REPLACEMENT

EC35M001

IDLE SPEED ADJUSTMENT

1. Start the engine and thoroughly warm it up.
2. Adjust:
Adjustment steps:
Turn the throttle stop screw 1 until the
engine runs at the lowest possible speed.
To increase idle speed ¡ Turn the throttle
To decrease idle speed ¡ Turn the throttle
EC35P030

MUFFLER INSPECTION

1. Inspect:
NOTE:
Install the O-rings with their depressed a facing
outward.
EC35R051
SILENCER FIBER REPLACEMENT
1. Remove:
å For USA and CDN
∫ Except for USA and CDN
3-15
9 Idle speed
9 O-ring 1
Damage ¡ Replace.
9 Side cover (right)
9 Bolt (silencer) 1
9 Silencer 2
9 Bolt (fiber) 3
INSP
ADJ
stop screw 1 1 in.
stop screw 1 1
out.