Page 216 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

ENGINE SPECIFICATIONS
CAMSHAFT / CYLINDER HEAD / CYLINDER (IN. / MM)
1.5704" ± 0.0038"
Cam Lobe Height - Intake
(39.89 ± 0.097 mm)
1.5405" ± 0.0038"
Cam Lobe Height - Exhaust
(39.13 ± 0.097 mm)
Camshaft Journal O.D. - 0.9029" - 0.9037 "
All (Standard) (22.933 - 22.954 mm)
Camshaft Journal O.D. - 0.9025"
All (Service Limit) (22.923 mm)
Camshaft Journal Bore I.D. - 0.9055" - 0.9063"
All (Standard) (23.000 - 23.021 mm)
Camshaft
Camshaft Journal Bore I.D. - 0.9072"
All (Service Limit) (23.044 mm)
0.0018" - 0.0034"
Camshaft Oil Clearance (Standard)
(0.046 - 0.088 mm)
0.0047"
Camshaft Oil Clearance (Service Limit)
(0.121 mm)
0.0069" - 0.0128"
Camshaft End Play (Standard)
(0.175 - 0.325 mm)
0.0157"
Camshaft End Play (Service Limit)
(0.4 mm)
0.0024"
Cylinder Head - Surface Warp Limit
(0.060 mm)
Cylinder Head
4.745" ± 0.0020"
Cylinder Head - Standard Height
(120.53 ± 0.05 mm)
0.0393" ± 0.0039"
Contacting Width - Intake (Standard)
(1.0 ± 0.10 mm)
0.0551"
Contacting Width - Intake (Service Limit)
(1.4 mm)
0.0590" ± 0.0039"
Contacting Width - Exhaust(Standard)
Valve Seat (1.5 ± 0.10 mm)
0.0748"
Contacting Width - Exhaust (Service Limit)
(1.9 mm)
30.0° ± 1.5° /
Valve Seat Angles 45.0° ± 0.5° /
60.0° ± 1.5°
0.2165" - 0.2171"
Valve Guide Valve Guide Inner Diameter
(5.500 - 5.515 mm)
0.006" ± 0.002"
Valve Lash (Cold) - Intake
(0.152 ± 0.050 mm)
0.008" ± 0.002"
Valve Lash (Cold) - Exhaust
(0.203 ± 0.050 mm)
0.2155" - 0.2161"
Valve Stem Diameter - Intake
(5.475 - 5.490 mm)
0.2147" - 0.2153"
Valve Stem Diameter - Exhaust
(5.455 - 5.470 mm)
Valve
0.0003" - 0.0015"
Valve Stem Oil Clearance - Intake
(0.010 - 0.040 mm)
0.0011" - 0.0023"
Valve Stem Oil Clearance - Exhaust
(0.030 - 0.060 mm)
3.7704"
Valve Stem Overall Length - Intake
(95.77 mm)
3.7964"
Valve Stem Overall Length - Exhaust
(96.43 mm)
1.7263”
Valve Spring Free Length (Standard)
(43.85 mm)
Cylinder - Surface Warp Limit 0.00098"
Cylinder
(mating with cylinder head) (0.025 mm)
3.94 9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual
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