3.4
9940259 R02 - 2022
RZR
PRO R / PRO R 4 Service Manual
© Copyright Polaris Industries Inc.
ENGINE SERVICE SPECIFICATIONS
SERVICE SPECIFICATIONS - ENGINE
ITEM
SPECIFICATIONS
Compression
200 PSI (1379 kPa)
± 20%
no more than 5% variation between cylinders
Max Cylinder Leakage (warm)
25%
Oil Pressure (Minimum @ 1100 RPM)
20–50 PSI (138–345 kPa)
Engine at operating temperature
Piston Pin to Connecting Rod Clearance (NEW
condition)
0.0006 in (0.015 mm)
Piston to Cylinder Clearance (NEW condition)
0.0017–0.0029 in (0.045–0.075 mm)
Surface Head Flatness (100x100 in any direction)
Longitudinal or Transverse:
0.0012 in (0.03 mm)
Overall:
0.0035 in (0.09 mm)
Exhaust Manifold Warpage (Maximum)
0.0200 in (0.50 mm)
Rear Bearing Journal Diameters
2.0464–2.0472 in (51.98– 52.00mm)
Rod Journal Diameters
1.7714–1.7724 in (44.995–45.019 mm)
CAMSHAFT / CYLINDER HEAD / CYLINDER
ITEM
STANDARD
SERVICE LIMIT
Valve Train
Over Head Valve / 4 valves per cyl
2 Intake Valve / 2 Exhaust Valve
—
Camshaft
Cam Lobe Height - Intake
1.6385 - 1.6448" (41.62 - 41.78 mm)
1.6366" (41.57 mm)
Cam Lobe Height - Exhaust
1.6307 - 1.6370" (41.42 - 41.58 mm)
1.6287" (41.37 mm)
Camshaft Journal O.D. - All (with phosphate
coating)
1.0211 - 1.0224" (25.936 - 25.971 mm)
1.0207" (25.926 mm)
Camshaft Carrier Bore I.D. - All
1.0238 -1.0246" (26.006 - 26.027 mm)
1.0255” (26.047 mm)
Camshaft Oil Clearance
0.0013 - 0.0035" (0.035 - 0.091 mm)
0.0048” - (0.122 mm)
Camshaft End Play
0.0039 - 0.0104" (0.101 - 0.265 mm)
.0162" (0.411 mm)
Cylinder
Cylinder - Surface Warp Limit (cylinder head
surface)
-
.004″ (0.1 mm)
Cylinder Bore - Standard
3.6614 ± .0003" (93 mm ± 0.008 mm)
-
Cylinder Out of Round Limit
-
.001″ (0.025 mm)
Cylinder Taper Limit
-
.001″ (0.025 mm)
Cylinder to Piston Clearance
0.0017 - 0.0029 (0.045 - 0.075 mm)
-
Cylinder
Head
Cylinder Head - Surface Warp Limit
-
.0039″ (0.1 mm)
Cylinder Head - Standard Height
4.767 ± .0019" (121.10 ± 0.10 mm)
-
Valve
Valve Lash (Cold) - Intake
0.003 - 0.008” (0.0762 - 0.2032 mm)
-
Valve Lash (Cold) - Exhaust
0.008 - 0.014” (0.2032 - 0.3556 mm)
-
Valve Stem Diameter - Intake
0.2155 - 0.2161" (5.475 - 5.490 mm)
-
