PERIODIC MAINTENANCE AND ADJUSTMENT
7-15
7
TIP
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
EAU21384
Checking the throttle grip free
play
The throttle grip free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle grip free play
and, if necessary, have a Yamaha deal-
er adjust it.
EAU21401
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. Throttle stop screw
Engine idling speed:
1250–1350 r/min
1. Throttle grip free play
U1BE21E0.book Page 15 Wednesday, May 12, 2010 2:16 PM