3.8
ENGINE
RECOMMENDED COOLANT
Use only high quality antifreeze/coolant mixed with distilled
water in a 50/50 or 60/40 ratio, depending on freeze protection
required in your area..
Accessible Components
The following components can be serviced or removed with the
engine installed in the frame:
• Flywheel
• Alternator/Stator
• Starter Motor/Starter Drive
• Cylinder Head
• Cylinder
• Piston/RIngs
• Camshaft
• Rocker Arms
• Cam Chain and Sprockets
• Water Pump / Water Pump Mechanical Seal*
The following components require engine removal for
service:
• Oil pump / Oil Pump Drive Gear
• Counterbalance Shaft or Bearing(s)
• Connecting Rod
• Crankshaft
• Crankshaft Main Bearings
• Crankcase
*
It may be necessary to loosen engine mounts and move
engine slightly to access water pump. Use the Water
Pump Mechanical Seal Puller (
PN 2872105
) to replace
mechanical seal with engine in frame.
Engine Removal (TYPICAL)
1.
Clean work area.
2.
Thoroughly clean the ATV engine and chassis.
3.
Disconnect battery negative(-) cable.
4.
Remove the following parts as required.
• Seat
• Left and Right Side Covers (Refer to Chapter 5)
• Fuel Tank Cover / Front Cab (Refer to Chapter 5)
• Fuel Tank (Refer to Chapter 4)
5.
Disconnect spark plug high tension lead.
6.
Remove springs from exhaust pipe and remove pipe.
7.
Drain coolant and engine oil.
8.
Remove air pre-cleaner and duct.
9.
Remove airbox.
10. Remove carburetor. Insert a shop towel into the carburetor
flange to prevent dirt from entering the intake port.
11. Remove center chain guard on chain drive AWD models.
12. Remove center drive and driven sprocket bolts and remove
chain and sprockets as an assembly.
13. Refer to PVT System to remove outer clutch cover, drive
belt, drive clutch, driven clutch, and inner cover.
14. Starter motor. Note ground cable location. Mark positive
(+) cable mounting angle and remove cable.
15. Remove transmission linkage rod(s) from gear selector and
secure out of the way.
16. Disconnect coolant temperature sensor wire.
17. Remove engine to chassis ground cable.
18. Remove all engine mount nuts and / or engine mount plates.
19. Remove engine through right side of frame.
CAUTION
Using tap water in the cooling system will lead to a
buildup of deposits which may restrict coolant flow
and reduce heat dissipation, resulting in possible
engine damage. Polaris Premium 60/40 Antifreeze/
Coolant is recommended for use in all cooling
systems, and comes pre-mixed, ready to use.
Содержание 2007 Sportsman 450 EFI
Страница 4: ...NOTES...
Страница 20: ...NOTES GENERAL INFORMATION 1 16...
Страница 27: ...2 7 MAINTENANCE 2 LUBRICATION FLUIDS SPORTSMAN Component Locations Sportsman Only Deluxe...
Страница 58: ...2 38 MAINTENANCE Maintenance Schedule Service Date Hours Miles Service Performed Serviced By...
Страница 71: ...3 13 ENGINE 3 EH50PL Engine Exploded Views Crankshaft Cylinder and Piston Cylinder Head Crankcase Valvetrain...
Страница 78: ...3 20 ENGINE Cylinder Head Exploded View EH50PL EH50PL A...
Страница 113: ...FUEL SYSTEM 4 1 CHAPTER 4 FUEL SYSTEM 4 ELECTRONIC FUEL INJECTION 4 3 4 30 CARBURETOR SPORTSMAN 450 4 31 4 47...
Страница 114: ...4 2 FUEL SYSTEM...
Страница 138: ...4 26 FUEL INJECTION TROUBLESHOOTING DIAGRAMS EFI CIRCUIT Power On EFI CIRCUIT Crank Position Sensor...
Страница 139: ...4 27 FUEL INJECTION 4 EFI CIRCUIT Fuel Pump EFI CIRCUIT Ignition Coil...
Страница 140: ...4 28 FUEL INJECTION EFI CIRCUIT Idle Air Control EFI CIRCUIT Throttle Position Sensor...
Страница 141: ...4 29 FUEL INJECTION 4 EFI CIRCUIT Manifold Absolute Pressure Sensor EFI CIRCUIT Engine Coolant Temperature...
Страница 142: ...4 30 FUEL INJECTION EFI CIRCUIT Air Temperature Sensor EFI CIRCUIT Malfunction Indicator Light...
Страница 156: ...4 44 CARBURETOR SPORTSMAN 450 FUEL TANK FUEL DELIVERY SYSTEM Fuel System Exploded View...
Страница 185: ...5 25 BODY STEERING SUSPENSION 5 X2 CARGO BOX Exploded View...
Страница 188: ...5 28 BODY STEERING SUSPENSION X2 SEAT ASSEMBLY Exploded Views...
Страница 268: ...NOTES FINAL DRIVE 7 40...
Страница 270: ...8 2 GENERAL INFORMATION TRANSMISSION GENERAL Mounting Exploded View x2 x3 x4 x4 x2 x1 x1 x1...
Страница 276: ...8 8 GENERAL INFORMATION 242 262 262 262 262 262...
Страница 318: ...NOTES BRAKES 9 30...
Страница 337: ...10 19 ELECTRICAL 10 ALL WHEEL DRIVE AND SPEEDOMETER TROUBLESHOOTING TEST 1 No All Wheel Drive...
Страница 338: ...10 20 ELECTRICAL TEST 2 No Speedometer Display TEST 3 No Reverse Speed Limit...
Страница 339: ...10 21 ELECTRICAL 10 TEST 4 No AWD Hub Safety Limit...
Страница 340: ...10 22 ELECTRICAL TEST 5 Reverse Speed Limiter Activated In Forward Gear TEST 6 Wheel Speed Sensor...
Страница 341: ...10 23 ELECTRICAL 10 TEST 7 Fuel Gauge Display Not Working TEST 8 Shift Indicator Not Working...
Страница 347: ...10 29 ELECTRICAL 10 Components of EFI Alternator and DC CDI Ignition System...
Страница 348: ...10 30 ELECTRICAL EFI Ignition System Testing Flow Chart...
Страница 353: ...10 35 ELECTRICAL 10 PDM...
Страница 363: ...10 45 ELECTRICAL 10 Starter Lockout Diagram EFI Starter Lockout Diagram Sportsman 450...
Страница 369: ...10 51 ELECTRICAL 10 BASIC WINCH WIRING Pre wired Models...
Страница 370: ...10 52 ELECTRICAL TROUBLESHOOTING DIAGRAMS Power On EFI Start Circuit EFI To ECU Pin 12...
Страница 371: ...10 53 ELECTRICAL 10 Ignition Coil EFI Fuel Pump EFI...
Страница 372: ...10 54 ELECTRICAL Fan EFI Charging System EFI...
Страница 373: ...10 55 ELECTRICAL 10 All Wheel Drive EFI Transmission Switch EFI...
Страница 374: ...10 56 ELECTRICAL Reverse Override EFI Differential Solenoid X2...
Страница 383: ...11 3 500 EFI INTERNATIONAL QUADRICYCLE 11 Exploded View Foot Brake Supply Hand Brake Supply...
Страница 386: ...11 6 500 EFI INTERNATIONAL QUADRICYCLE 500 INTERNATIONAL QUADRICYCLE ELECTRICAL Turn Hazard Signal Diagram...
Страница 392: ...IX 6...
Страница 393: ...WD 1 WIRE DIAGRAM 2007 SPORTSMAN ACTIVE DESCENT CONTROL ADC WIRE DIAGRAM...
Страница 394: ...WD 2 WIRE DIAGRAM INTENTIONAL BLANK PAGE...
Страница 395: ...WD 3 WIRE DIAGRAM 2007 SPORTSMAN 450 WIRE DIAGRAM...
Страница 396: ...WD 4 WIRE DIAGRAM...
Страница 397: ...WD 5 WIRE DIAGRAM 2007 SPORTSMAN 500 EFI STANDARD WIRE DIAGRAM...
Страница 398: ...WD 6 WIRE DIAGRAM...
Страница 399: ...WD 7 WIRE DIAGRAM 2007 SPORTSMAN 500 EFI DELUXE WIRE DIAGRAM...
Страница 400: ...WD 8 WIRE DIAGRAM...
Страница 401: ...WD 9 WIRE DIAGRAM 2007 SPORTSMAN 500 EFI INTERNATIONAL WIRE DIAGRAM...
Страница 402: ...WD 10 WIRE DIAGRAM...
Страница 403: ...WD 11 WIRE DIAGRAM 2007 SPORTSMAN 500 EFI X2 WIRE DIAGRAM...
Страница 404: ...WD 12 WIRE DIAGRAM...
Страница 405: ...WD 13 WIRE DIAGRAM 2007 SPORTSMAN 500 EFI X2 QUADRICYCLE WIRE DIAGRAM...
Страница 406: ...WD 14 WIRE DIAGRAM...