3.40
9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual
© Copyright 2013 Polaris Sales Inc.
ENGINE DISASSEMBLY / INSPECTION - TOP END
Valve Cover Removal
NOTE: The valve cover, camshafts, cylinder head,
cylinder and piston can be serviced with the engine
installed in the chassis.
1.
If needed, remove the spark plug wire from the
engine.
2.
Remove dirt and debris from valve cover area.
3.
Remove the (3) valve cover shoulder bolts (A) and
isolators (B) using a T40 driver.
4.
Carefully lift valve cover from the engine and remove
it out of the right-hand rear wheel well area.
5.
Replace isolators (B) and valve cover seal (C) if oil
leaks are evident.
6.
Remove the spark plug (D). Stuff spark plug hole
with a shop towel to prevent anything from falling into
the
combustion
chamber
(if
further
engine
disassembly is required).
Camshaft / Carrier Removal
NOTE:
The camshafts can be removed with the
engine installed in the chassis.
1.
Rotate the engine so the piston is at Top Dead
Center (TDC) on the compression stroke.
NOTE: To verify TDC, see the “SETTING TDC”
section in this chapter.
2.
Remove the hydraulic cam chain tensioner (E) from
the cylinder. Replace the sealing washer (F) upon
reassembly.
ENGINE
