Adjusting The Throttle Cable Free Play; Valve Clearance - Yamaha YFM25RX Owner's Manual

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Adjusting the throttle cable free play

The throttle cable free play should be checked
1
and, if necessary, adjusted at the intervals speci-
2
fied in the periodic maintenance and lubrication
chart.
3
The throttle cable free play should measure 2.0–
4.0 mm (0.08–0.16 in) at the throttle lever. Period-
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ically check the throttle cable free play and, if nec-
essary, adjust it as follows.
5
NOTE:
6
The engine idling speed must be checked, and ad-
justed if necessary, before adjusting the throttle ca-
7
ble free play.
1. Loosen the locknut.
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2. To increase the throttle cable free play, turn
9 the adjusting bolt in direction (a). To decrease
the throttle cable free play, turn the adjusting
10
bolt in direction (b).
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(b)
(a)
2
1
1. Locknut
2. Throttle cable free play adjusting bolt
3. Throttle lever free play
3. Tighten the locknut.
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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.
8-22
3