Crankcase Breather Hose Inspection; Engine Cylinder Leak-Down Test; Valve Clearance Inspection - Polaris RZR 900 2015 Service Manual

11. Remove oil fill cap (see Chapter 2 – Engine Oil Level,
page 2.13). Fill engine
recommended engine oil.
FLUID CAPACITY
Recommended Engine Oil:
PS-4 (PN 2876244)
Ambient Temp Range: -35° F to 100° F
PS-4 Extreme Duty (PN 2878920)
Ambient Temp Range: 0° F to 120° F
Capacity: 2.5 Quarts (2.4 L)
12. Verify the transmission is still in PARK.
13. Start the engine and allow it to idle for 30 seconds.
14. Stop the engine and inspect for oil leaks. Wait at least
15 seconds before removing the dipstick.
15. Unlock the dipstick lever. Remove the dipstick and
wipe it dry with a clean cloth (see Chapter 2 – Engine
Oil Level, page 2.13).
16. Reinstall the dipstick and push it into place. Do not
lock the dipstick.
NOTE
Make certain the dipstick is inserted all the way into the
dipstick tube to keep the depth of the dipstick
consistent.
17. Remove the dipstick and check the oil level.
18. Add the recommended oil as necessary to bring the
oil level within the SAFE range on dipstick. Do not
overfill.
19. When finished, reinstall the oil fill cap, oil dipstick and
lock the lever.
20. Reinstall the cargo box access panel, engine service
panel and seats.
21. Dispose of used oil and filter properly.
9926814 R08 -
Manual
© Copyright Polaris Industries Inc.
CRANKCASE BREATHER HOSE
to specification with
INSPECTION
The engine crankcase is equipped with a breather hose.
Inspect the breather hose for possible kinks or wear. The
hose is form fitted for proper fit.
Follow the breather hose
engine intake duct.

ENGINE CYLINDER LEAK-DOWN TEST

A cylinder leak-down test is the best indication of engine
condition. Follow tester manufacturer's instructions to
perform a cylinder leak-down test. Never use high
pressure leakage testers as crankshaft seals may
dislodge and leak.
If leakage exceeds service limit, inspect the engine for
A brand new or rebuilt engine will have higher leakdown

VALVE CLEARANCE INSPECTION

Do not rotate the engine backwards. The timing chain
2015-2016 RZR 900
q
from the crankcase to the
NOTE
Make sure hoses are not kinked or pinched.
Cylinder Leakage Service Limit: 15%
the cause.
NOTE
than an engine with 5 hours of runtime. Leakdown
should decrease once the rings are broken in.
NOTE
Valve clearance inspection should be performed on a
cold engine, at room temperature.
IMPORTANT
may jump teeth and lead to poor performance.
2016 RZR S 1000 Service
MAINTENANCE
2
2.15