Perio
d
ic maintenance an
d
a
d
justment
7-14
7
EAU21377
A
d
justin
g
the throttle
g
rip free
play
Measure the throttle grip free play as
shown.
Periodically check the throttle grip free
play and, if necessary, adjust it as fol-
lows.
TIP
The engine idling speed must be cor-
rectly adjusted before checking and
adjusting the throttle grip free play.
1. Loosen the locknut.
2. To increase the throttle grip free
play, turn the throttle grip free play
adjusting nut in direction (a). To
decrease the throttle grip free
play, turn the adjusting nut in di-
rection (b).
3. Tighten the locknut.
EAU21403
Valve clearance
The valves are an important engine
component, and since valve clearance
changes with use, they must be
checked and adjusted at the intervals
specified in the periodic maintenance
chart. Unadjusted valves can result in
improper air-fuel mixture, engine
noise, and eventually engine damage.
To prevent this from occurring, have
your Yamaha dealer check and adjust
the valve clearance at regular intervals.
TIP
This service must be performed when
the engine is cold.
1. Throttle grip free play
Throttle
g
rip free play:
3.0–5.0 mm (0.12–0.20 in)
1. Locknut
2. Adjusting nut
U2PT17E0.book Page 14 Monday, March 30, 2020 2:13 PM
Содержание TTR 125 2020
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