
3.80
TROUBLESHOOTING
ENGINE
Spark Plug Fouling
• Restricted air filter (main or pre-cleaner) or breather
system
• Improperly assembled air intake system
• Restricted engine breather system
• Oil contaminated with fuel
• Fuel quality poor (old) or octane too high
• PVT system calibrated incorrectly/ components worn
or mis-adjusted
• Restricted exhaust
• Spark plug cap loose or faulty
• Incorrect spark plug heat range or gap
• Weak ignition (loose coil ground, faulty coil, or stator)
• Low compression
Engine Turns Over But Fails To Start
• No fuel
• Dirt in fuel line, filter, or injectors
• Fuel pump inoperative/restricted
• Fuel valve off or restricted flow
• Tank vent plugged or pinched
• Engine flooded
• Low compression (high cylinder leakage)
• No CPS signal (debris on CPS pole, damaged CPS
causing incorrect air gap)
• 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 fuel system
• Low compression (valves incorrectly adjusted)
• Crankcase breather restricted
Engine Idles But Will Not Accelerate
• Spark plug fouled / weak spark
• Broken throttle cable
• Air intake obstructed
• Air box removed (reinstall all intake components)
• Reverse speed limiter limiting speed
• Incorrect ignition timing
• Restricted exhaust system
• Camshaft worn excessively
• PVT not operating properly
Engine Has Low Power
• Spark plug fouled
• Cylinder, piston, ring, or valve wear or damage (check
compression)
• PVT not operating properly
• Restricted exhaust muffler
• Camshaft worn excessively
Piston Failure - Scoring
• Lack of lubrication
• Dirt entering engine through cracks in air filter or ducts
• Engine oil dirty or contaminated (water)
Excessive Smoke and Carbon Buildup
• Excessive piston-to-cylinder clearance
• Worn rings, piston, or cylinder
• Worn valve guides or seals
• Restricted breather
• Air filter dirty or contaminated
Low Compression
• No valve clearance
• Valve not seating properly (bent valve or carbon /
debris accumulated on sealing surface)
• Cylinder head gasket leak
• Cylinder or piston worn
• Piston rings worn, leaking, broken, or sticking
• Bent valve or stuck valve
• Valve spring broken or weak
• Rocker arm sticking
Backfiring
• Fouled spark plug or incorrect plug or plug gap
• Speed limiter system malfunction
• Exhaust system air leaks
• Ignition system faulty:
• Spark plug cap cracked / broken
• Ignition coil faulty
• Ignition switch circuit faulty
• Poor connections in ignition system
• Ignition timing incorrect
• Sheared flywheel key
• Valve sticking
COOLING SYSTEM
Overheating
• Low coolant level
• Air in cooling system
• Wrong type/mix of coolant
• Faulty pressure cap or system leaks
• Restricted system (mud or debris in radiator fins
causing restriction to air flow, passages blocked in
radiator, lines, pump, or water jacket, accident
damage)
• Engine running lean (fuel system restriction)
• Fuel pump output weak
• Electrical malfunction
• Water pump failure/ Loose impeller
• Engine Coolant Temperature Sensor failure
• Cooling fan inoperative or turning too slowly (perform
current draw test)
• Low oil level
• Spark plug incorrect heat range
Содержание Sportsman 850 Touring EPS
Страница 4: ......
Страница 6: ......
Страница 72: ...2 40 NOTES MAINTENANCE ...
Страница 78: ...3 6 OIL FLOW DIAGRAM ENGINE COOLING SYSTEM ...
Страница 93: ...3 3 21 WATER PUMP ASSEMBLY TORQUE SPECIFICATIONS ENGINE COOLING SYSTEM ...
Страница 94: ...3 22 STATOR COVER ASSEMBLY TORQUE SPECIFICATIONS ENGINE COOLING SYSTEM ...
Страница 100: ...3 28 VALVE COVER ENGINE COOLING SYSTEM ...
Страница 101: ...3 3 29 CAMSHAFT CARRIER CAMSHAFT ROCKER ARM ENGINE COOLING SYSTEM ...
Страница 102: ...3 30 CYLINDER HEAD VALVES INTEGRATED THROTTLE BODY ENGINE COOLING SYSTEM ...
Страница 103: ...3 3 31 VALVE AND SPRING HEIGHT DETAIL SPM850 ENGINE COOLING SYSTEM ...
Страница 104: ...3 32 VALVE AND SPRING HEIGHT DETAIL SPM1000 ENGINE COOLING SYSTEM ...
Страница 105: ...3 3 33 PISTON CONNECTING ROD ENGINE COOLING SYSTEM ...
Страница 106: ...3 34 CRANKSHAFT ENGINE COOLING SYSTEM ...
Страница 107: ...3 3 35 CRANKCASE ENGINE COOLING SYSTEM ...
Страница 108: ...3 36 CRANKCASE UPPER ENGINE COOLING SYSTEM ...
Страница 109: ...3 3 37 BALANCE SHAFT BALANCE SHAFT TIMING ENGINE COOLING SYSTEM ...
Страница 110: ...3 38 CRANKCASE LOWER WITH OIL PUMP ENGINE COOLING SYSTEM ...
Страница 111: ...3 3 39 STATOR COVER FLYWHEEL WATER PUMP COUPLER ENGINE COOLING SYSTEM ...
Страница 112: ...3 40 WATER PUMP WATER PUMP COUPLER STATOR ENGINE COOLING SYSTEM ...
Страница 113: ...3 3 41 DRIVE COUPLER REAR STARTER GEAR ENGINE COOLING SYSTEM ...
Страница 141: ...3 3 69 CRANKCASE ASSEMBLY UPPER ENGINE COOLING SYSTEM ...
Страница 143: ...3 3 71 BALANCE SHAFT TIMING ENGINE COOLING SYSTEM ...
Страница 145: ...3 3 73 CRANKCASE SEALANT AND TORQUE VALUES ENGINE COOLING SYSTEM ...
Страница 154: ...3 82 NOTES ENGINE COOLING SYSTEM ...
Страница 160: ...4 6 FUEL TANK FUEL TANK ASSEMBLY VIEW FUEL SYSTEM ...
Страница 170: ...4 16 EFI SYSTEM LAYOUT EFI SYSTEM ASSEMBLY VIEW FUEL SYSTEM ...
Страница 204: ...4 50 NOTES FUEL SYSTEM ...
Страница 217: ...5 5 13 DRIVE CLUTCH SERVICE DRIVE CLUTCH EXPLODED VIEW ALL MODELS PVT SYSTEM ...
Страница 245: ...6 6 11 Primary Shaft Rear Output Shaft Reverse Shaft Coupler Input Shaft TRANSMISSION ...
Страница 246: ...6 12 Cam Shift Shaft Bellcrank Shift Shaft TRANSMISSION ...
Страница 254: ...6 20 TRANSMISSION EXPLODED VIEW TRANSMISSION ...
Страница 330: ...7 74 NOTES FINAL DRIVE ...
Страница 338: ...8 8 STEERING EPS STEERING ASSEMBLY VIEW EPS MODELS STEERING SUSPENSION ...
Страница 372: ...8 42 NOTES STEERING SUSPENSION ...
Страница 374: ...9 2 BRAKE SYSTEM TROUBLESHOOTING 9 25 BRAKE SYSTEM TROUBLESHOOTING 9 25 BRAKE NOISE TROUBLESHOOTING 9 26 BRAKE SYSTEM ...
Страница 377: ...9 9 5 BRAKE SYSTEM ASSEMBLY VIEWS SPORTSMAN SCRAMBLER 850 BRAKE SYSTEM BRAKE SYSTEM ...
Страница 378: ...9 6 SPORTSMAN SCRAMBLER 1000 BRAKE SYSTEM BRAKE SYSTEM ...
Страница 379: ...9 9 7 SPORTSMAN SCRAMBLER INTERNATIONAL BRAKE SYSTEM BRAKE CALIPER EXPLODED VIEW BRAKE SYSTEM ...
Страница 381: ...9 9 9 BRAKE SYSTEM ...
Страница 436: ...11 22 INSTERMENT CLUSTER TROUBLESHOOTING INSTRUMENT CLUSTER KEY OFF NO POWER ELECTRICAL ...
Страница 437: ...11 11 23 INSTRUMENT CLUSTER KEY ON NO POWER ELECTRICAL ...
Страница 438: ...11 24 INSTRUMENT CLUSTER NO HIGH BEAM INDICATOR ELECTRICAL ...
Страница 439: ...11 11 25 INSTRUMENT CLUSTER NO INCORRECT FUEL LEVEL ELECTRICAL ...
Страница 492: ...11 78 EPS TROUBLESHOOTING ELECTRICAL ...
Страница 497: ...11 11 83 BREAKOUT WIRING DIAGRAMS AWD NON ETC AWD INPUT ETC COOLING FAN CRANKSHAFT POSITION SENSOR ELECTRICAL ...
Страница 499: ...11 11 85 INTAKE AIR TEMP SENSOR NON ETC THROTTLE POSITION SENSOR NON ETC TMAP ETC TMAP NON ETC ELECTRICAL ...
Страница 500: ...11 86 NOTES ELECTRICAL ...