Page 290 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

CAMSHAFT INSTALLATION / TIMING 6. Carefully install the intake cam at an angle to allow
for cam chain installation. Roll the cam shaft into its
NOTE bearing pockets and verify that the timing marks are
in alignment as shown below.
If any valve train components were replaced, refer to
“Valve Clearance Adjustment”, page 3.163
procedure prior to “Camshaft Installation / Timing”.

1. Rotate the engine and position the piston at TDC.
2. Reference the intake q and exhaust w markings
made during disassembly.

3. Lubricate all camshaft lobes and bearing journal
surfaces with Polaris PS-4 engine oil prior to
installation.
4. Place the exhaust cam into the cylinder head and
align the timing marks as shown below.

NOTE
Intake cam sprocket should have “I” marks aligned with
gasket surface and the exhaust cam sprocket should
have “E” marks aligned with gasket surface.

7. Carefully install the camshaft carrier onto the
camshafts.

5. Wrap the cam chain around the exhaust cam
sprocket and hold the exhaust cam in its current
position.

3.168 9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual
© Copyright Polaris Industries Inc.