Valve Sealing Test; Cylinder Removal - Polaris Sportsman 800 EFI 4x4 2012 Service Manual

ENGINE
6. Place retainer on spring and install Valve Spring
Compressor (PU-45257). Install split keepers with
the gap even on both sides.
NOTE: A small magnet can aid in installation of
the keepers.
7. Repeat procedure for remaining valves. When all
valves are installed, tap lightly with soft faced
hammer on the end of the valves to seat the split
keepers.
IMPORTANT: To prevent damage to the valve
seals, do not compress the valve spring more
than necessary to install the keepers.
3.34

Valve Sealing Test

1. Clean and dry the combustion chamber area (A).
2. Pour a small amount of clean solvent onto 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 Removal

1. Follow engine disassembly procedures to remove
rocker cover and cylinder head.
2. Tap cylinder (A) lightly with a rubber mallet in the
reinforced areas only until loose.
3. Rock cylinder forward and backward while lifting it
from
connecting rods. Support pistons with Piston Support
Block (PN 2870390).
9924864 - 2012-2014 SPORTSMAN 800 / 6X6
© Copyright 2013 Polaris Sales Inc.
the crankcase, supporting pistons and