Combustion Chamber Cleaning; Valve Sealing Test - Polaris RZR XP 1000 2014 Service Manual

COMBUSTION CHAMBER CLEANING

WARNING
Wear eye protection during combustion chamber
cleaning.
1. Clean all accumulated
combustion chambers and valve seat area
NOTE
Carbon Clean Fuel Treatment (2871326) can be used
to help remove carbon deposits.
Do not use a metal scraper, a coarse wire brush or
abrasive cleaners to clean the cylinder head. Damage
may result.
2. Visually inspect cylinder head gasket surface and
combustion chamber for cracks or damage. Pay
close attention to areas around spark plug and valve
seats.
9926816 R07 - 2014-2016 RZR XP 1000 / XP4 1000 Service Manual
© Copyright Polaris Industries Inc.

VALVE SEALING TEST

1. Clean and dry the combustion chamber area
2. Pour a small amount of clean solvent into each
carbon deposits from
q
.
3. Repeat for exhaust valves by pouring fluid into each
ENGINE / COOLING SYSTEM
w
intake port and check for leakage around the
valves. The valve seats should hold fluid with no
seepage.
e
exhaust port .
q
.
3
3.43