Page 79 - Manual Oficina Polaris RZR XP 1000 17-18

MAINTENANCE

ENGINE CYLINDER LEAKDOWN TEST VALVE CLEARANCE INSPECTION
A cylinder leak-down test is the best indication of engine
condition. Follow tester manufacturer’s instructions to NOTE
perform a cylinder leak-down test. Never use high Valve clearance inspection should be performed on a
pressure leakage testers as crankshaft seals may cold engine, at room temperature.
dislodge and leak.
2
1. Remove the driver’s seat. Disconnect the negative
Cylinder Leakage Service Limit: 15% (-) battery cable.
If leakage exceeds service limit, inspect the engine for
the cause. 2. Remove the engine access panel.
3. Remove eight screws retaining the outer clutch
NOTE cover.
A brand new or rebuilt engine will have higher leakdown 4. Maneuver the outer clutch cover to allow access to
than an engine with 5 hours of runtime. Leakdown the drive clutch, in order to rotate the engine.
should decrease once the rings are broken in.

NOTE
Removal of left rear wheel or left rear shock is NOT
necessary to perform this procedure.

5. Remove the spark plug wires to gain access to valve
cover as shown below.

9928492 R06 - 2017-2018 RZR XP 1000 / XP4 1000 Service Manual 2.33
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