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1. Throttle stop screw
Engine idling speed:
1150–1250 r/min
TIP
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
Periodic maintenance and adjustment
Checking the throttle grip free
play
Measure the throttle grip free play as
shown.
1. Throttle grip free play
Throttle grip free play:
4.0–6.0 mm (0.16–0.24 in)
Periodically check the throttle grip free
play and, if necessary, have a Yamaha
dealer adjust it.
7-17
EAU21386
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 intervals specified in the periodic
maintenance and lubrication chart.
1
EAU21402
7
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Troubleshooting
