Engine Crankcase Breather Hose Inspection; Engine Cylinder Leakdown Test - Polaris RANGER XP 900 2018-2019 Service Manual

14. Verify the transmission is still in PARK.
15. Start the engine and allow it to idle for 30 seconds.
16. Stop the engine and inspect for oil leaks. Wait at least
15 seconds before removing the dipstick.
17. Unlock the dipstick lever. Remove the dipstick and
wipe it dry with a clean cloth (refer to Engine Oil
Levelpage 2.15 procedure).
18. Reinstall the dipstick and push it into place. Do not
lock the dipstick
NOTICE
Make certain the dipstick is inserted all the way into the
dipstick tube to keep the depth of the dipstick
consistent.
19. Remove the dipstick and check the oil level.
20. Add the recommended oil as necessary to bring the
oil level within the SAFE range on dipstick. Do not
overfill.
21. When finished, reinstall the oil fill cap, oil dipstick and
lock the lever.
22. Dispose of used oil and filter properly.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
ENGINE CRANKCASE BREATHER HOSE
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.
q
Follow the breather hose from the crankcase fitting
e
to the airbox .
NOTICE
Make sure hoses are not kinked or pinched.

ENGINE CYLINDER LEAKDOWN 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.
Cylinder Leakage Service Limit:
20%
If leakage exceeds service limit, inspect the engine for
the cause.
MAINTENANCE
2
w
2.17