Valve Sealing Test; Cylinder/Piston Removal And Inspection - Polaris Magnum 2x4 Service Manual

ENGINE
EH42PL/EH50PL Engine
Engine Disassembly, Cont.
Valve Seali ng Test
1. Clean and dry the combustion chamber area.
2.
Pour a small amount of clean, high flash point solvent
into the intake port and check for leakage around each
intake valve. The valve seats should hold fluid with no
seepage.
3. Repeat for exhaust valves by pouring fluid into exhaust
port.
Cylinder/Piston Removal and Inspection
Follow engine disassembly procedures to remove valve
cover, camshaft and rocker arms, and cylinder head.
1.
Remove cam chain guide at front of cylinder.
2. Loosen all four oil pipe banjo bolts and then remove the
bolts and eight sealing washers. Remove the pipes.
3. Loosen hose clamps on coolant inlet hose and remove
hose.
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3.60
Polaris Industries Inc.