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9850067 R01 - 2020-2021 GENERAL / GENERAL XP Service Manual
© Copyright Polaris Inc.
3.9
ENGINE SERVICE SPECIFICATIONS
SERVICE SPECIFICATIONS - ENGINE / COOLING SYSTEM
CAMSHAFT / CYLINDER HEAD / CYLINDER
ITEM STANDARD SERVICE LIMIT
Camshaft
Cam Lobe Height - Intake 1.5390 - 1.5429" (39.09 - 39.19 mm) 1.5370" (39.04 mm)
Cam Lobe Height - Exhaust 1.5142 - 1.5181" (38.46 - 38.56 mm) 1.5122" (38.41 mm)
Camshaft Journal O.D. - All
.9036 - .9055" (22.954 - 22.999 mm) .9033" (22.944 mm)
Camshaft Carrier Bore I.D. - All
.9055 - .9063" (23.000 - 23.021 mm) .9072" (23.044 mm)
Camshaft Oil Clearance
.0000 - .0026" (0.001 - 0.067 mm) .0039" (0.1 mm)
Camshaft End Play .0040 - .0100" (0.101 - 0.254 mm) .0157" (0.4 mm)
Cylinder
Cylinder - Surface Warp Limit (cylinder head
surface)
-
.002″ (0.05 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 .0009 - .0019" (0.025 - 0.050 mm)
-
Cylinder
Head
Cylinder Head - Surface Warp Limit
-
.0039″ (0.1 mm)
Cylinder Head - Standard Height 4.717 ± .0019" (119.82 ± 0.05 mm)
-
Valve
Valve Lash (Cold) - Intake .006 ± .002" (0.15 ± 0.051 mm)
-
Valve Lash (Cold) - Exhaust .010 ± .002" (0.25 ± 0.051 mm)
-
Valve Stem Diameter - Intake
.2155 - .2161" (5.475 - 5.490 mm)
-
Valve Stem Diameter - Exhaust
.2147 - .2153" (5.455 - 5.470 mm)
-
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
Guide
Valve Guide Inner Diameter
.2165 - .2171" (5.500 - 5.515 mm)
-
Valve Seat
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 Angles
30.0° ± 1.5°
45.0° ± 0.5°
60.0° ± 1.5°
-
ENGINE / COOLING SYSTEM
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