Page 267 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

CAM CHAIN AND GUIDE SERVICE CYLINDER HEAD REMOVAL

NOTE NOTE
The crankcase has a removable lower cam chain drive The cylinder head can be serviced with the engine
guide that prevents the chain from disengaging the installed in the chassis.
crankshaft during engine service. Do not rotate head assembly up side-down until the
The cam chain, cam chain guides and cam chain valve tappets have been removed.
tensioner can be replaced with the engine installed in
the vehicle. 1. Remove and discard the two outer M6 bolts q that
retain the cylinder head w and the cylinder.
1. If not already performed, remove the valve cover, 3
stator cover, flywheel, cam chain tensioner, cam 2. Loosen the four cylinder head bolts e evenly 1/8
carrier and camshafts as outlined in this chapter. turn (60 degrees) at a time until all are loose.
2. Remove the two fasteners q that secure the cam 3. Remove and discard the cylinder head bolts e.
chain guides w to the crankcase. Replace with new upon assembly.
3. Remove the fastener e that secure the lower cam 4. Tap cylinder head lightly with a soft faced hammer
chain guide r to the crankcase. until loose. Tap only in reinforced areas or on thick
parts of the cylinder head casting.
4. Inspect the cam chain guides and replace if
excessive wear is evident. 5. Remove the cylinder head w and head gasket r.

5. Upon installation, torque all fasteners to specification
and reassemble engine and vehicle as outlined in
this chapter.

TORQUE

Upper Cam Chain Guide Fasteners:
7 ft-lb (10 Nm)

9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual 3.145
© Copyright Polaris Industries Inc.