Rear Suspension - Yamaha SXV4NP Operator's Manual

Replacing Lubricant
(Models with a sight
glass)

NOTE: Replacing the lubricant can
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 discretion and expense of the
snowmobile owner
1. Place the snowmobile on a level sur-
face. Remove both access panels
and the hood; then remove the
exhaust resonator.
2. Place a drain pan under the chain
case; then loosen the screws secur-
ing the chain case cover/oil tank
assembly to the chain case housing
starting with the bottom screws first.
3. Remove all screws; then swing the
chain case cover out of the way.
4. Inspect all chain case components
along with the cover seal for nicks or
damage.
5. Wipe the chain case cover and housing
free of old oil; then install the cover
and secure using the previously
removed screws. Tighten to 1.24 kg-m
(108 in.-lb).
6. Remove the fill plug from the chain
case cover and add 445 mL (15 oz)
of Yamaha Synthetic Chain Case
Lube through the fill plug hole.
When the lube is halfway up the sight
glass, install the plug.
7. Install the exhaust resonator and
secure using the previously removed
hardware.
8. Install the hood and both access panels.
.
Replacing Lubricant
(Models with a level plug)

NOTE: Replacing the lubricant can
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 discretion and expense of the
snowmobile owner
1. Place the snowmobile on a level sur-
face. Remove both access panels
and the hood; then remove the
exhaust resonator.
2. Place a drain pan under the chain
case; then loosen the screws secur-
ing the chain case cover/oil tank
assembly to the chain case housing
starting with the bottom screws first.
3. Remove all screws; then swing the
chain case out of the way.
4. Inspect all chain case components
along with the cover seal for nicks or
damage.
5. Wipe the chain case cover and hous-
ing free of old oil; then install the
cover and secure using the previ-
ously removed screws. Tighten to
1.24 kg-m (108 in.-lb).
6. Remove the level plug from the
chain case cover.
7. Remove the fill plug from the chain
case cover and add Yamaha Syn-
thetic Chain Case Lube through the
fill plug hole. When the lubricant
reaches the bottom threads of the
level plug hole, install the level plug.
Tighten to 0.7 kg-m (60 in.-lb).
8. Install the exhaust resonator and
secure using the previously removed
hardware.
9. Install the hood and both access panels.

Rear Suspension

This procedure should be done every 40
operating hours.

NOTE: Yamaha recommends that
Yamaha Snowmobile Grease be used
for this procedure.
Lubricate all grease fittings with low-
temperature grease.
.
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