Page 163 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

ENGINE DISASSEMBLY / INSPECTION - 6. Replace isolators e and valve cover seal r if oil
TOP END leaks are evident.
NOTE
VALVE COVER REMOVAL
Carefully pass the spark plug hole section q of the
valve cover seal under the cam carrier bridge w to
NOTE
remove or install the seal.
The valve cover, camshafts, cylinder head, cylinder and
piston can be serviced with the engine installed in the
chassis.
3
1. Disconnect the spark plug wire from the spark plug
q by firmly grasping the wire boot and twist slightly
while lifting up.
2. Remove dirt and debris from valve cover area.
3. Remove the spark plug q. Stuff spark plug hole with
a shop towel to prevent debris from entering the
combustion chamber (if further engine disassembly
is required).

4. Remove three valve cover shoulder bolts w and
isolators e using a T40 driver.
5. Carefully lift valve cover from the engine and remove IMPORTANT
it.
Discard valve cover Isolators upon removal. New
Isolators are required once removed.

Inspect the valve cover seal and replace if damaged or
signs of leaking are present.

VALVE COVER INSPECTION

Inspect the breather plate q for damage. Remove the
screws w and clean passages in cover.

After cleaning valve cover, reinstall breather plate and
torque screws to specification.
TORQUE
Valve Cover Breather Plate Screws:
3 ft-lbs (4 Nm)

9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual 3.41
© Copyright Polaris Industries Inc.