PERIODIC MAINTENANCE AND ADJUSTMENT
7-17
7
without the filter elements in-
stalled, otherwise the piston(s)
and/or cylinder(s) may become
excessively worn.
[ECA10531]
Cleaning the air filter check hose
and caps
1. Check each cap at the bottom left
side of the air filter case and the
hose at the bottom of the V-belt
case for accumulated dirt or wa-
ter.
2. If dirt or water is visible, remove
the hose or caps from their clamp.
3. Drain dirt or water into a proper
container.
4. Install the air filter check hose or
caps to the original position.
TIP
_
The air filter check hose or caps need
more frequent cleaning after riding in
the rain, washing the vehicle, or in case
of overturn. If the check hose or caps
are clogged, have a Yamaha dealer
service the vehicle.
_
EAUU1210
Adjusting the throttle grip free
play
The throttle grip free play should mea-
sure 3.0–7.0 mm (0.12–0.28 in) as
shown. Periodically check the throttle
grip free play and, if necessary, adjust it
as follows.
1. Loosen the locknut.
2. To increase the throttle grip free
play, turn the adjusting nut in di-
rection (a). To decrease the throt-
tle grip free play, turn the
adjusting nut in direction (b).
3. Tighten the locknut.
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 grip free play adjusting nut
2. Locknut
3. Cable cover
C. Throttle grip free play
C
2
(b)
(a)
1
3
ZAUU0398
1PNF8199E0.book Page 17 Friday, August 24, 2012 2:00 PM