Valve Clearance - Yamaha YFM250R Owner's Manual

chart.
The throttle cable free play should measure 2.0–
1
4.0 mm (0.08–0.16 in) at the throttle lever. Period-
ically check the throttle cable free play and, if nec-
2
essary, adjust it as follows.
NOTE:
3
The engine idling speed must be checked, and ad-
4
justed if necessary, before adjusting the throttle ca-
ble free play.
5
1. Loosen the locknut.
2. To increase the throttle cable free play, turn
6
the adjusting bolt in direction (a). To decrease
the throttle cable free play, turn the adjusting
7
bolt in direction (b).
8
9
10
11
(b)
(a)
2
1
1. Locknut
2. Throttle cable free play adjusting bolt
3. Throttle lever free play
3. Tighten the locknut.
EBU24060

Valve clearance

The valve clearance changes with use, resulting in
improper air-fuel mixture and/or engine noise. To
prevent this from occurring, the valve clearance
must be adjusted by a Yamaha dealer at the inter-
vals specified in the periodic maintenance and lu-
brication chart.
8-21
3