Rear Drive Lubricant (Utility); Transmission Lubricant - Arctic Cat 300 Utility Service Manual

5. Install the screen/filter, spring, and screen/filter cap
into the bottom of the engine and tighten to 11 ft-lb.
6. Remove the oil fill plug and pour in 1.6 L (1.7 U.S.
qt) of the recommended oil into the fill hole; then
install the oil fill plug.
CAUTION
Any oil used in place of the recommended oil could
cause serious engine damage. Do not use oils which
contain graphite or molybdenum additives. These oils
can adversely affect clutch operation. Also, not recom-
mended are racing, vegetable, non-detergent, and cas-
tor-based oils.
7. Start the engine (while the ATV is outside on level
ground) and allow it to idle for a few minutes.
8. Turn the engine off and wait approximately one minute.
Check the oil level in the engine oil inspection window.
The oil level should be visible through the window. If
oil is not visible, add recommended oil until the oil
level is visible between the lines of the window.
9. Inspect the area around the screen/filter cap for leaks.
Rear Drive Lubricant
(Utility)
Check and change the lubricant according to the Periodic
Maintenance Chart. When changing the lubricant, use
approved SAE 80W-90 hypoid gear lube. To check lubri-
cant, use the following procedure.
1. Remove the rear drive level plug; the lubricant level
should be at the threads of the plug.
2. If low, add SAE approved 80W-90 hypoid gear lube
as necessary.
To change the lubricant, use the following procedure.
1. Place the ATV on level ground.
2. Loosen the fill plug.
3. Remove the cap screws securing the rear drive gear
guard; then remove the guard.
4. Drain the lubricant into a drain pan by removing the
drain plug from the bottom of the rear drive.

NOTE: If the rear drive lubricant is contaminated
with water, inspect the drain plug, fill plug, and/or
bladder.
5. After all the lubricant has been drained, install the
drain plug and tighten securely. Install the rear drive
gear guard and tighten the cap screws securely.
6. Pour the appropriate amount of recommended lubri-
cant into the fill hole. Remove the level plug and
check for appropriate level.
7. Install the fill plug.
Water entering the outer end of the axle will not be able
to enter the rear drive unless the seals are damaged.

Transmission Lubricant

Change the lubricant according to the Periodic Mainte-
nance Chart. When changing the lubricant, use approved
SAE 80W-90 hypoid gear lube.
KM127A
To change the lubricant, use the following procedure.
1. Place the ATV on level ground.
2. Loosen the fill plug; then remove the transmission
drain plug and drain the transmission lubricant.
KM131A
CAUTION
KM104A
11