Breather Hose; Breather Valve Inspection - Polaris RANGER ETX 2015 Owner's Manual

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5. Use drive clutch to rotate the crankshaft until the cam

chain sprocket timing marks are aligned with the

gasket surface as shown.

Intake cam sprocket should have "I" marks aligned with

the gasket surface and the exhaust cam sprocket

should have "E" marks aligned with the gasket surface.

6. Measure the valve clearance of each valve using a

feeler gauge. Record the measurement if clearance

is out of specification.

Intake Valve Clearance:

0.006 ± 0.002" (0.15 ± 0.05 mm)

Exhaust Valve Clearance:

0.008 ± 0.002" (0.20 ± 0.05 mm)

BREATHER HOSE

Be sure breather line is routed properly and secured in

Make sure line(s) are not kinked or pinched.

9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual

This engine is equipped with a breather valve

valve is located on the front of the engine. The valve

should only allow air to pass from the engine to the

breather hose

and finally to the intake

from the air intake to the engine. Replace as necessary.

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