Front Differential/Rear Drive Lubricant - Arctic Cat XC 450 2016 Service Manual

4. Remove the drain plug from the bottom of the engine
and drain the oil into a drain pan.
! WARNING
Use extreme caution when removing the oil drain plug.
Hot oil can cause severe injury and skin burns.
733-441A
5. Remove the oil filter plug from the filter mounting
boss (located on the front side of the transmission
case) and allow the filter to drain completely. Install
the plug and tighten securely.
6. Using the adjustable Oil Filter Wrench and a suitable
wrench, remove the old oil filter.
NOTE: Clean up any excess oil after removing the

filter.
7. Apply oil to a new filter seal ring and check to make
sure it is positioned correctly; then install the new oil
filter. Tighten securely.
8. Install the engine drain plug and tighten to 20 ft-lb.
Pour the specified amount of the recommended oil in
the filler hole. Install the oil level stick/filler 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.
9. Start the engine (while the ATV is outside on level
ground) and allow it to idle for a few minutes.
10. Turn the engine off and wait approximately one min-
ute.
11. Remove the oil level stick and wipe it with a clean
cloth.
12. Install the oil level into engine case.
NOTE: The oil level stick should be threaded into

the case for checking purposes.
10
13. Remove the oil level stick; the engine oil level should
be above the illustrated "L" mark but not higher than
the illustrated "F" mark.
CAUTION
Do not over-fill the engine with oil. Always make sure
that the oil level is above the "L" mark but not higher
than the "F" mark.
ATV-0100AA
14. Inspect the area around the drain plug and oil filter
for leaks.
15. Install the left-side engine cover and the seat.
Front Differential/Rear
Drive Lubricant
When changing the lubricant, use approved SAE 80W-90
hypoid gear lube.
To check lubricant, remove the rear drive filler plug; the
lubricant level should be 1 in. below the threads of the
plug. If low, add SAE approved 80W-90 hypoid gear
lubricant as necessary.
To change the lubricant, use the following procedure.
1. Place the ATV on level ground.
2. Remove each fill plug.
KC0077B
3. Drain the lubricant into a drain pan by removing the
drain plug from each.