Page 169 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

4. Install the domed washer with the dome facing TORQUE
inwards. Install screw and torque to specification.
Cylinder Head Studs:
TORQUE 13 ft-lbs (17 Nm) (Replacement required)

Decompression Mechanism Screw:
27 ft-lbs (29 Nm) 1. Loosen the cylinder head nuts w in sequence (Refer
to Cylinder Head / Crankcase Torque Specs /
Sequence) evenly 1/8 turn (60 degrees) at a time
5. Be sure the decompression mechanism functions until all are loose.
smoothly and easily returns under spring pressure to
the resting position against gravity. 2. Remove and discard the nuts that retain the cylinder
head and the cylinder. 3
3. Remove the q cylinder head bolts.
CAMSHAFT OIL JET
4. Tap cylinder head lightly with a soft faced hammer
An oil jet q is located on the MAG side camshaft carrier. until loose. Tap only in reinforced areas or on thick
The oil jet sprays oil at the intake camshaft creating an oil parts of the cylinder head casting.
mist which lubricates the cam train components.
5. Remove the cylinder head e and head gasket r.

During engine inspection, the jet should be removed and
cleaned to remove any deposits or foreign material.
When reinstalling jet, torque to specification.

TORQUE
Camshaft Oil Jet:
6 ft-lbs (8 Nm)

CYLINDER HEAD REMOVAL
NOTE
The cylinder head can be serviced with the engine
installed in the chassis.
Do not rotate head assembly up side-down until the
valve tappets have been removed.

NOTE
The cylinder head studs must be replaced any time the
cylinder head nuts are loosened.

9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual 3.47
© Copyright Polaris Industries Inc.