PERIODIC MAINTENANCE AND ADJUSTMENT
1
1. Throttle stop screw
Engine idling speed:
1400–1600 r/min
TIP
6
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
Checking the throttle cable
free play
(a)
(b)
1
1. Throttle cable free play
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, have a Yamaha dealer adjust it.
EAU21382
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
6-12
EAU21401