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3.57
ENGINE
3
TROUBLESHOOTING
Engine
Spark Plug Fouling
• Spark plug cap loose or faulty
• Incorrect spark plug heat range or gap
• PVT system calibrated incorrectly/ components worn or
mis-adjusted
• Fuel quality poor (old) or octane too high
• Low compression
• Restricted exhaust
• Weak ignition (loose coil ground, faulty coil, stator, or
ETC switch)
• ETC switch mis-adjusted
• Restricted air filter (main or pre-cleaner) or breather
system
• Improperly assembled air intake system
• Restricted engine breather system
• Oil contaminated with fuel
Engine Turns Over But Fails To Start
• No fuel
• Dirt in fuel line or filter
• Fuel will not pass through fuel valve
• Fuel pump inoperative/restricted
• Tank vent plugged or pinched
• Engine flooded
• Low compression (high cylinder leakage)
• No spark (Spark plug fouled) ignition component
failure
Engine Does Not Turn Over
• Dead battery
• Starter motor does not turn
• Engine seized, rusted, or mechanical failure
Engine Runs But Will Not Idle
• Restricted carburetor pilot system
• Low compression
• Crankcase breather restricted
Engine Idles But Will Not Accelerate
• Spark plug fouled/weak spark
• Broken throttle cable
• Obstruction in air intake
• Air box removed (reinstall all intake components)
• Incorrect or restricted carburetor jetting
• ETC switch limiting speed
• Reverse speed limiter limiting speed
• Incorrect ignition timing
• Restricted exhaust system
• Cam worn excessively
Engine Has Low Power
• Spark plug fouled
• Cylinder, piston, ring, or valve wear or damage (check
compression)
• PVT not operating properly
• Restricted exhaust muffler
• Cam worn excessively
Piston Failure - Scoring
• Lack of lubrication
• Dirt entering engine through cracks in air filter or ducts
• Engine oil dirty or contaminated
Excessive Smoke and Carbon Buildup
• Excessive piston-to-cylinder clearance
• Wet sumping (Oil Level Too Full)
• Worn rings, piston, or cylinder
• Worn valve guides or seals
• Restricted breather
• Air filter dirty or contaminated
Piston Failure - Scoring
• Lack of lubrication
• Dirt entering engine through cracks in air filter or ducts
• Engine oil dirty or contaminated
Summary of Contents for 2007 SPORTSMAN 700 X2 EFI
Page 4: ...NOTES ...
Page 20: ...NOTES GENERAL INFORMATION 1 16 ...
Page 27: ...2 7 MAINTENANCE 2 LUBRICATION FLUIDS SPORTSMAN Component Locations Sportsman Only Deluxe ...
Page 56: ...2 36 MAINTENANCE Maintenance Schedule Service Date Hours Miles Service Performed Serviced By ...
Page 116: ...NOTES ENGINE 3 60 ...
Page 137: ...4 21 FUEL INJECTION 4 EFI CIRCUIT Power On EFI CIRCUIT Crank Position Sensor ...
Page 138: ...4 22 FUEL INJECTION EFI CIRCUIT Fuel Pump EFI CIRCUIT Throttle Position Sensor ...
Page 140: ...4 24 FUEL INJECTION EFI CIRCUIT Malfunction Indicator Light ...
Page 165: ...5 25 BODY STEERING SUSPENSION 5 X2 CARGO BOX Exploded View ...
Page 168: ...5 28 BODY STEERING SUSPENSION X2 SEAT ASSEMBLY Exploded Views ...
Page 251: ...7 43 FINAL DRIVE 7 Rear Gearcase Exploded View ...
Page 252: ...NOTES FINAL DRIVE 7 44 ...
Page 253: ...TRANSMISSION 8 1 CHAPTER 8 TRANSMISSION 8 SPORTSMAN 8 3 8 18 SPORTSMAN X2 8 19 8 38 ...
Page 254: ...NOTES TRANSMISSION 8 2 ...
Page 256: ...8 4 SPORTSMAN TRANSMISSION TRANSMISSION EXPLODED VIEW Sportsman Transmission ...
Page 273: ...8 21 Sportsman X2 Transmission 8 242 262 262 262 262 262 ...
Page 274: ...8 22 Sportsman X2 Transmission X2 Mounting Exploded View x2 x3 x4 x4 x2 x1 x1 x1 ...
Page 320: ...NOTES BRAKES 9 30 ...
Page 330: ...10 10 ELECTRICAL SPEEDOMETER TROUBLESHOOTING Test 1 No All Wheel Drive ...
Page 331: ...10 11 ELECTRICAL 10 TEST 2 No Display TEST 3 No Reverse Speed Limit ...
Page 332: ...10 12 ELECTRICAL TEST 4 No AWD Hub Safety Limiter ...
Page 333: ...10 13 ELECTRICAL 10 TEST 5 Reverse Speed Limiter TEST 6 Speed Sensor ...
Page 334: ...10 14 ELECTRICAL TEST 7 No Fuel Gauge TEST 8 Transmission Switch ...
Page 365: ...10 45 ELECTRICAL 10 BASIC WINCH WIRING PRE WIRED MODELS ...
Page 374: ...NOTES ELECTRICAL 10 54 ...
Page 377: ...11 3 800 EFI INTERNATIONAL 11 Exploded View Foot Brake Supply Hand Brake Supply ...
Page 379: ...11 5 800 EFI INTERNATIONAL 11 800 EFI INTERNATIONAL ELECTRICAL Turn Hazard Signal Diagram ...
Page 380: ...NOTES 800 EFI INTERNATIONAL 11 6 ...
Page 386: ...IX 6 ...
Page 387: ...WD 1 WIRE DIAGRAM 2007 SPORTSMAN ACTIVE DESCENT CONTROL ADC WIRE DIAGRAM ...
Page 388: ...WD 3 WIRE DIAGRAM 2007 SPORTSMAN 700 800 EFI WIRE DIAGRAM ...
Page 389: ...WD 4 WIRE DIAGRAM ...
Page 390: ...WD 5 WIRE DIAGRAM 2007 SPORTSMAN 800 X2 EFI WIRE DIAGRAM ...
Page 391: ...WD 6 WIRE DIAGRAM ...
Page 392: ...WD 7 WIRE DIAGRAM 2007 SPORTSMAN 800 EFI INTERNATIONAL WIRE DIAGRAM ...
Page 393: ...WD 8 WIRE DIAGRAM ...