Perio
d
ic maintenance an
d
a
d
justment
7-17
7
TIP
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
EAU21386
Checkin
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, have a Yamaha
dealer adjust it.
EAU21402
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
En
g
ine i
d
lin
g
spee
d
:
1150–1250 r/min
1. Throttle grip free play
Throttle
g
rip free play:
4.0–6.0 mm (0.16–0.24 in)
1
U1BF27E0.book Page 17 Tuesday, May 17, 2016 8:35 AM