Engine Specifications - Polaris RANGER ETX 2015 Owner's Manual

ENGINE SPECIFICATIONS

CAMSHAFT / CYLINDER HEAD / CYLINDER
ITEM
Cranking
Not provided - Engine uses decompression mechanism. Reference Leak Down Specification
Compres-
sion
Cylinder
Service Limit = 15%, engine at operating temperature, regulated 100 psi (690 kPa) at cylinder.
Leak Down
Cam Lobe Height - Intake
Cam Lobe Height - Exhaust
Camshaft
Camshaft Bearings
Cylinder - Surface Warp Limit (cylinder head
surface)
Cylinder Bore
Cylinder
Cylinder Out of Round Limit
Cylinder Taper Limit
Cylinder to Piston Clearance
Cylinder
Surface Warp Limit
Head
Valve Lash (Cold) - Intake
Valve Lash (Cold) - Exhaust
Valve Stem Diameter - Intake
Valve Stem Diameter - Exhaust
Valve
Valve Stem Oil Clearance - Intake
Valve Stem Oil Clearance - Exhaust
Valve Stem Overall Length - Intake
Valve Stem Overall Length - Exhaust
Valve
Valve Guide Inner Diameter
Guide
Valve Seat - Contacting Width - Intake
Valve Seat - Contacting Width - Exhaust
Valve Seat
Valve Seat Angles
9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
ENGINE / COOLING SYSTEM
STANDARD
1.30 in. / 33.10 mm
1.291 in. / 32.80 mm
Inspect by feel and fit. Replace
bearings and / or carrier assembly if
damage or wear is found.
Exhaust camshaft large bearing is not
serviceable.
.002 in. / 0.05 mm
3.07 +/– .0003 in.
78.00 +/- 0.008 mm @ 33 mm down
from top of cylinder
.00078 in. / 0.020 mm
.00078 in. / 0.020 mm
.0003 - .002 in. / 0.008 - 0.062
.0039 in. / 0.1 mm
.005 ± .002" (0.125 ± 0.05 mm)
.014 ± .002" (0.350 ± 0.05 mm)
.1958–.196 in. / 4.975-4.990 mm
.1950–.1956 / 4.955-4.970 mm
.0003 - .0015 in. / 0.01 - 0.04 mm
.0011 -.0023 in. / 0.03 - 0.06 mm
3.858 in. / 98.013 mm
3.426 in. / 87.0223 mm
.1968 – .197 in. / 5.00 - 5.015 mm
.0393 in. / 1.00 mm
17° ± 1.5°
45° ± 0.5°
70° ± 1.5°
SERVICE LIMIT
3
1.28 in. / 32.6 mm
1.27 in. / 32.3 mm
.0017 in. / 0.045 mm
.0025 in. / 0.065 mm
3.9