3.5
ENGINE
3
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
Sportsman 500 H.O. Engine Service Data (EH50PLE 498cc Fuel Injected and Carbureted)
KEY
- Std: Standard; OS: Oversize; ID: Inner Diameter; OD: Outer Diameter; Mag: Magneto Side;
PTO: Power Take Off Side.
Cylinder / Piston / Connecting Rod
EH50PLE (498cc)
Cylinder
Surface warpage limit (mating with cylinder head)
.0020” (0.05 mm)
Cylinder bore
Std
3.6221-3.6228" (92.00-92.02 mm)
Taper limit
.0020” (0.050 mm)
Out of round limit
.0020” (0.050 mm)
Piston clearance
Std
.0006-.0018" (0.015-0.045 mm)
Limit
.0024" (0.060 mm)
Boring Limit
.020” (.5 mm)
Piston
Outer diameter
Std
3.6204-3.6215" (91.970-91.985 mm)
.0098" (.25 mm) OS 3.6304-3.6310" (92.21-92.23 mm)
.0197" (.50 mm) OS 3.6403-3.6407" (92.46-92.47 mm)
Standard inner diameter of piston pin bore
.9055-.9057" (23.0-23.006 mm)
Piston Pin
Outer diameter
.9053-.9055” (22.994-23.0 mm)
Standard clearance - piston pin to pin bore
.0002- .0003” (.004- .008 mm)
Degree of fit
Piston Pin must be a push (by hand) fit at 68
o
F (20
o
C)
Piston Ring
Piston Ring Installed gap
Top ring
Std
.0079-.0138" (.20-.36 mm)
Limit
.039" (1.0 mm)
Second
ring
Std
.0079-.0138" (.20-.36 mm)
Limit
.039" (1.0 mm)
Oil ring
Std
.0079-.0276" (.20-.70 mm)
Limit
.059" (1.5 mm)
Piston Ring
Standard clearance -
piston ring to ring groove
Top ring
Std
.0016-.0031" (.040-.080 mm)
Limit
.0059" (.15 mm)
Second
ring
Std
.0012-.0028" (.030-.070 mm)
Limit
.0059" (.15 mm)
Connecting Rod
Connecting rod small end ID
.9058 - .9063” (23.007 - 23.020 mm)
Connecting rod small end radial clearance
Std
.0003-.0010" (.007-.026 mm)
Limit
.0020" (.05 mm)
Connecting rod big end side clearance
Std
.0039-.0256" (.1-.65 mm)
Limit
.0315" (.80 mm)
Connecting rod big end radial clearance
Std
.0004-.0015" (.011-.038 mm)
Limit
.0020" (.05 mm)
Crankshaft
Crankshaft runout limit
.0024" (.06 mm)
Содержание 2012 Sportsman Forest 500 International
Страница 1: ...1 GENERAL 2 MAINTENANCE 3 ENGINE 4 FUEL SYSTEMS 5 BODY SUSPENSION...
Страница 2: ...6 CLUTCH 7 FINAL DRIVE 8 TRANSMISSION 9 BRAKES 10 ELECTRICAL...
Страница 3: ...NOTES...
Страница 115: ...NOTES ENGINE 3 60...
Страница 116: ...FUEL SYSTEM 4 1 CHAPTER 4 FUEL SYSTEM 4 CARBURETION SYSTEM 4 3 ELECTRONIC FUEL INJECTION SYSTEM EFI 4 25...
Страница 117: ...4 2 FUEL SYSTEM...
Страница 139: ...NOTES CARBURATION AND FUEL SYSTEM 4 24...
Страница 185: ...NOTES 500 EFI FUEL SYSTEM 4 70...
Страница 212: ...NOTES...
Страница 258: ...NOTES CLUTCHING 6 46...
Страница 330: ...NOTES TRANSMISSION 8 24...
Страница 392: ...10 28 ELECTRICAL 9923412 2012 Sportsman 400 500 and EFI Tractor Service Manual Copyright 2011 Polaris Sales Inc...
Страница 424: ...NOTES ELECTRICAL 10 60...
Страница 425: ...Located By Battery...
Страница 426: ......
Страница 427: ...Located By Transmission Breakout Resistor Module...
Страница 428: ......
Страница 429: ...Located By Battery...
Страница 430: ......
Страница 431: ...Located By Transmission Breakout Resistor Module...
Страница 432: ......