Checking The Engine Idling Speed; Adjusting The Throttle Cable Free Play - Yamaha YBR125 Custom Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
9. Check the hose at the bottom of
the air filter case for accumulated
dust or water, and if necessary,
drain it by removing the clamp, and
then removing the plug.
1. Clamp
6
2. Air filter check hose plug
10. Install the plug into the check
hose, and then install the clamp.
11. Install the panel.
Checking the engine idling
speed
The engine idling speed must be
checked as follows and, if necessary,
adjusted by a Yamaha dealer at the in-
tervals specified in the periodic mainte-
nance and lubrication chart.
Start the engine and warm it up for sev-
eral minutes at 1000–2000 r/min while
occasionally revving it to 4000–5000
r/min.
Engine idling speed:
1300–1500 r/min
6-12
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Adjusting the throttle cable
free play
1. Throttle cable free play
2. Locknut
3. Throttle cable free play adjusting nut
The throttle cable free play should mea-
sure 3.0–7.0 mm (0.12–0.28 in) at the
throttle grip. Periodically check the
throttle cable free play and, if neces-
sary, adjust it as follows.
NOTE:
The engine idling speed must be cor-
rectly adjusted before checking and ad-
justing the throttle cable free play.
1. Loosen the locknut.
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