25
Checking/Adjusting Valve
Clearance
After 40,000 km (25,000 miles), valve
clearance should be checked and adjusted
as necessary.
NOTE: Take the snowmobile to an
authorized Yamaha Snowmobile
dealer for inspection and service.
This service is at the discretion
and expense of the snowmobile
owner.
Battery
These sealed batteries after being in ser-
vice require regular cleaning and charg-
ing in order to deliver peak performance
and maximum service life. The following
procedure is recommended for cleaning
and maintaining sealed batteries. Always
read and follow instructions provided
with battery chargers and battery prod-
ucts.
NOTE: Battery maintenance may
be done by the snowmobile owner
if qualified to do so. If the owner
does not feel qualified, take the
snowmobile to an authorized
Yamaha Snowmobile dealer for this
service. This service is at the dis-
cretion and expense of the snow-
mobile owner.
1. Remove the torx-head screw from
the rear underside of the seat; then
remove the seat.
2. Remove the negative battery cable
and ground wire; then remove the
positive cable.
NOTE: For installing purposes
prior to removing the battery, note
the routing and securing locations
of the cables and harness wires.
3. Remove the two screws and lock
nuts securing the battery bracket/
solenoid to the seat-base; then move
the bracket up and out of the way
and remove the battery.
0747-528
4. Thoroughly wash the battery with soap
and water; then using a wire brush,
clean the battery posts and cable ends
removing all corrosive buildup.
Replace damaged cables or cable ends.
CAUTION
It is critical that the checking/
adjusting valve clearance be done
at the recommended intervals or
severe engine damage may occur.
WARNING
Improper handling or connecting of
a battery may result in severe injury
including acid burns, electrical
burns, or blindness as a result of an
explosion. Always remove rings
and watches. Any time service is
performed on a battery, the follow-
ing must be observed: keep sparks,
open flame, cigarettes, or any other
flame away. Always wear safety
glasses. Protect skin and clothing
when handling a battery. When ser-
vicing a battery in an enclosed
space, keep the area well-venti-
lated.
WARNING
Battery posts, terminals, and
related accessories contain lead
and lead compounds, chemicals
known to the state of California to
cause cancer and reproductive
harm. Wash hands after handling.
CAUTION
Make sure to disconnect the seat
heater harness connector prior to
removing the seat.
WARNING
Avoid spillage and contact with
skin, eyes, and clothing.
CAUTION
Do not charge the battery while it is
in the snowmobile with the battery
terminals connected.
Lock Nuts
Battery Bracket
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