Adjusting The Throttle Lever Free Play; Valve Clearance - Yamaha YFZ45YSXH Owner's Manual

Tightening torque:
Tailpipe cover bolt:
8 N·m (0.8 kgf·m, 5.8 lb·ft)
EWB02341
WARNING
Do not start the engine when cleaning the
spark arrester, otherwise it could cause injury
to the eyes, burns, carbon monoxide poison-
ing, possibly leading to death, and start a fire.
Always let the exhaust system cool prior to
touching exhaust components.
EBU29703

Adjusting the throttle lever free play

8
The throttle lever free play should be checked and,
if necessary, adjusted at the intervals specified in
the periodic maintenance and lubrication chart.
The throttle lever free play should measure 2.0–4.0
mm (0.08–0.16 in) as shown. Periodically check
the throttle lever free play and, if necessary, adjust
it as follows.
1. Slide the rubber cover back.
2. Loosen the locknut.
3. To increase the throttle lever free play, turn
the throttle lever free play adjusting bolt in di-
rection (a). To decrease the throttle lever free
play, turn the adjusting bolt in direction (b).
(b)
1
(a)
2
1. Rubber cover
2. Throttle lever free play adjusting bolt
3. Locknut
4. Throttle lever free play
4. Tighten the locknut.
5. Slide the rubber cover to its original position.
EBU24061

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
8-27
3
4