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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
dealer for inspection and service.
This service is at the discretion and
expense of the snowmobile owner.
CAUTION
It is critical that the checking/adjust-
ing valve clearance be done at the
recommended intervals or severe
engine damage may occur.
Battery
These sealed batteries after being in ser-
vice
require
regular
charging in order to deliver peak perfor-
mance and maximum service life. The
following procedure is recommended for
cleaning and maintaining sealed batter-
ies. Always read and follow instructions
provided with battery chargers and bat-
tery products.
NOTE: Battery maintenance may
be done by the snowmobile owner if
qualified to do so. If the owner does
not feel qualified, take the snowmo-
bile to an authorized Yamaha Snow-
mobile dealer for this service. This
service is at the discretion and
expense of the snowmobile owner.
! 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 explo-
sion.
Always
watches. Any time service is per-
formed on a battery, the following
must be observed: keep sparks, open
flame, cigarettes, or any other flame
away. Always wear safety glasses.
Protect skin and clothing when han-
dling a battery. When servicing a bat-
tery in an enclosed space, keep the
area well-ventilated.
24
Snowmobile
cleaning
remove
rings
! 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.
1. Remove the torx-head screw from
the rear underside of the seat; then
remove the seat.
Make sure to disconnect the seat
heater harness connector prior to
removing the seat.
2. Remove the negative battery cable
and ground wire; then remove the
positive cable.
and
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.
! WARNING
and
Avoid spillage and contact with skin,
eyes, and clothing.
Do not charge the battery while it is in
the snowmobile with the battery ter-
minals connected.
4. Thoroughly wash the battery with soap
and water; then using a wire brush,
clean the battery posts and cable ends
removing
Replace damaged cables or cable ends.
CAUTION
CAUTION
all
corrosive
0747-528
buildup.
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