Page 151 - Manual_Polaris_RZR_ProXP-20-21

ENGINE / COOLING SYSTEM

ENGINE SERVICE SPECIFICATIONS
ENGINE SPECIFICATIONS

CAMSHAFT / CYLINDER HEAD / CYLINDER
ITEM STANDARD SERVICE LIMIT
Cam Lobe Height - Intake 1.5890 - 1.5921" (40.36 - 40.44 mm) 1.5870" (40.31 mm)

Cam Lobe Height - Exhaust 1.5772 - 1.5803" (40.06 - 40.14 mm) 1.5752" (40.01 mm)
Camshaft Journal O.D. - All .9038 - .9046" (22.957 - 22.978 mm) .9033" (22.944 mm)
Camshaft 3
Camshaft Carrier Bore I.D. - All .9055 - .9063" (23.000 - 23.021 mm) .9072" (23.044 mm)
Camshaft Oil Clearance .0009 - .0026" (0.022 - 0.067 mm) .0039" (0.1 mm)

Camshaft End Play .0040 - .0100" (0.101 - 0.254 mm) .0157" (0.4 mm)
Cylinder - Surface Warp Limit (cylinder head - .002″ (0.05 mm)
surface)
Cylinder Bore - Standard 3.6614 ± .0003" (93 mm ± 0.008 mm) -
Cylinder
Cylinder Out of Round Limit - .001″ (0.025 mm)
Cylinder Taper Limit - .001″ (0.025 mm)
Cylinder to Piston Clearance .0009 - .0019" (0.025 - 0.050 mm) -

Cylinder Head - Surface Warp Limit - .0039″ (0.1 mm)
Cylinder
Head Cylinder Head - Standard Height 4.717 ± .0019" (119.82 ± 0.05 mm) -
Valve Lash/Clearance (Cold) - Intake .006 ± .002" (0.15 ± 0.05 mm) -
Valve Lash/Clearance (Cold) - Exhaust .010 ± .002" (0.25 ± 0.05 mm) -

Valve Stem Diameter - Intake .2155 - .2161" (5.475 - 5.490 mm) -
Valve Stem Diameter - Exhaust .2147 - .2153" (5.455 - 5.470 mm) -
Valve
Valve Stem Oil Clearance - Intake .0003 - .0015" (0.010 - 0.040 mm) -
Valve Stem Oil Clearance - Exhaust .0011 - .0023" (0.030 - 0.060 mm) -
Valve Stem Overall Length - Intake 3.7704" (95.77 mm) -
Valve Stem Overall Length - Exhaust 3.8023" (96.58 mm) -

Valve Valve Guide Inner Diameter .2165 - .2171" (5.500 - 5.515 mm) -
Guide
Valve Seat - Contacting Width - Intake .0393 ± .0039" (1.0 ± 0.10 mm) .0551" (1.4 mm)
Valve Seat - Contacting Width - Exhaust .0590 ± .0039" (1.5 ± 0.10 mm) .0748" (1.9 mm)
Valve Seat
30.0° ± 1.5°
Valve Seat Angles 45.0° ± 0.5° -
60.0° ± 1.5°

9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual 3.7
© Copyright Polaris Industries Inc.