25
Lubrication
Chain Case
NOTE: The snowmobile must be
on a level surface for this procedure.
1. Check the lubricant level in the
chain case by using the sight glass.
0746-115
NOTE: The correct level is when
the lubricant is at least halfway up in
the sight glass.
NOTE: Adding lubricant can 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 Arctic Cat
Snowmobile dealer for this service.
This service is at the discretion and
expense of the snowmobile owner
.
2. If the lube level is low, remove the
fill plug from the chain case; then
add the appropriate amount of Arctic
Cat Synthetic Chain Lube (p/n 6639-
539) in the fill hole. Install the plug.
NOTE: If excessive build-up of
moisture or discolored oil is
detected in the chain case, it may be
necessary to replace the lube.
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 snowmo-
bile to an authorized Arctic Cat
Snowmobile dealer for this service.
This service is at the discretion and
expense of the snowmobile owner
.
Replacing Lubricant
ZR 4000 RR/6000/8000
NOTE: The side panels, hood, and
exhaust resonator must be removed
for this procedure.
1. Place a drain pan under the chain
case; then loosen the eleven screws
securing the chain case cover/oil tank
assembly to the chain case housing
starting with the bottom screws first.
NOTE: It is critical that the snow-
mobile is on a level surface to
ensure the lubricant drains properly
and completely.
NOTE: Inspect the chain case
cover seal for nicks or damage.
2. When the lubricant has completely
drained from the case and the chain
case is cleaned of old oil; then install
the chain case cover. Tighten the cap
screws to 12-14 ft-lb.
3. Pour recommended chain case lube
into the fill hole until the lubricant is
at least halfway up in the sight glass;
then install the plug.
4. Install and secure the exhaust resonator.
ZR 4000 LXR
NOTE: Make sure the snowmobile
is fully shifted into forward.
1. If the lube level is low, remove the
three screws securing the shift actua-
tor to the chain case, disconnect the
actuator wiring harness, and remove
the actuator extension, shift detent,
and spring; then add appropriate
amount of Arctic Cat Synthetic
Chain Lube (p/n 6639-539) through
the shift actuator opening until the
lube is halfway up the sight glass.
CAUTION
Before installing the chain case screws,
be sure to clean the holes using com-
pressed air completely of debris or
damage to the chain case may occur.
CAUTION
The correct lubricant to use in the
chain case is Arctic Cat Synthetic
Chain Lube. Any substitute may cause
serious damage to the drive system.
