2-137
2
Troubleshooting Engine
(2-Stroke Carbureted)
Problem: Engine Does Not Start (No Spark at Spark Plugs)
Condition
Remedy
1.
Ignition switch
malfunctioning — not in RUN position
2.
Wiring harness
shorting — connection poor
3.
Emergency stop switch knob
in DOWN position —
malfunctioning
4.
Throttle/ignition monitor switch
adjusted too tight —
malfunctioning
5.
Carburetor safety switches
adjusted incorrectly —
malfunctioning
6.
Spark plugs
fouled — damaged
7.
Spark-plug caps
damaged — leaking — shorting
8.
High tension wires/coil
loose — grounded — faulty
9.
CDI unit
faulty
10.
Charge coil
(1)
faulty
11.
Charge coil
(2)
faulty
12.
Flywheel magnets
weak
13.
Flywheel key
sheared
1. Replace ignition switch — turn switch to RUN position
2. Repair — connect — replace wiring harness
3. Move knob to UP position — replace throttle switch
4. Adjust (loosen) throttle cable — replace throttle switch
5. Adjust — replace carburetor safety switches
6. Clean — gap — replace spark plugs
7. Replace spark-plug caps
8. Service — replace high tension wires/coil
9. Replace CDI unit
10. Replace coil
11. Replace coil
12. Replace flywheel
13. Replace key
Problem: Engine Does Not Start (No Fuel at Cylinders)
Condition
Remedy
1.
Gas tank
empty
2.
Shut-off valve
closed
3.
Fuel hose
broken — pinched
4.
Gas-tank vent — hose
obstructed
5.
In-line fuel filter
obstructed — damaged
6.
Fuel pump
malfunctioning — faulty
7.
Impulse hose
cracked — broken — pinched — discon-
nected
8.
Carburetors
adjusted incorrectly — dirty — damaged
9.
Primary compression (crankcase)
absent
1. Fill tank
2. Open shut-off valve
3. Replace — service hose
4. Remove obstruction — replace vent — hose
5. Remove obstruction — replace in-line fuel filter
6. Replace — repair — clean fuel pump
7. Replace — connect impulse hose
8. Troubleshoot — clean — replace carburetors
9. Repair — replace damaged — worn engine components
Problem: Engine Overheats
Condition
Remedy
1.
Spark plug heat range
too hot
2.
Coolant
low — absent
3.
Carburetors
adjusted incorrectly — jetted incorrectly —
dirty
4.
Carburetor-to-cylinder air
leak
5.
Heat exchangers
no snow for cooling
6.
Rings/grooves
carboned
7.
Exhaust ports
obstructed
8.
Muffler
obstructed
9.
Gas/air mixture
incorrect
10.
Oil-injection pump
malfunctioning — adjusted incorrectly
11.
Primary compression (crankcase)
low — absent
12.
Ignition timing
adjusted incorrectly
13.
Gasoline octane
too low
14.
Water pump — thermostat
damaged — faulty
1. Install lower heat-range spark plugs
2. Add coolant
3. Troubleshoot — clean carburetors — jet correctly
4. Replace — repair gaskets — intake flanges — service
intake ports
5. Select new trail — install ice studs to chew up hard packed
snow and ice
6. Clean — replace rings — pistons
7. Remove obstruction
8. Remove obstruction
9. Replace jets — adjust jet needle E-clip position
10. Replace — bleed — adjust oil-injection pump
11. Repair — replace damaged — worn engine components
12. Time ignition
13. Use 87 minimum octane gasoline
14. Replace — rebuild water pump — replace thermostat
Содержание Sno Pro 120
Страница 20: ...1 18 NOTES ...
Страница 29: ...2 9 2 570ENG12 ...
Страница 39: ...2 19 2 500CC2A_12 ...
Страница 45: ...2 25 2 NOTES ...
Страница 47: ...2 27 2 800_12_2 ...
Страница 61: ...2 41 2 Engine Torque Patterns 1100 cc 1100TorquePattern12 ...
Страница 63: ...2 43 2 1100ccZ1RV10 ...
Страница 81: ...2 61 2 1100ccZ1RV10 ...
Страница 82: ...2 62 Engine Torque Patterns 1100 cc 1100TorquePattern12 ...
Страница 141: ...2 121 2 SNO2152 ...
Страница 142: ...2 122 SNO2153 ...
Страница 180: ...3 18 0742 314 0746 520 F5 LXR 800 cc ...
Страница 204: ...3 42 NOTES ...
Страница 260: ...5 26 Troubleshooting Servomotor SERVO1A12 ...
Страница 261: ...5 5 27 SERVO2rv ...
Страница 264: ...Magneto 0746 255 1 ...
Страница 265: ...Main Harness p n 1686 600 F570 p n 1686 601 Bearcat 570 T570 p n 1686 612 Bearcat 570 XT 0746 237 2 ...
Страница 266: ...Main Harness p n 1686 603 F5 LXR 0746 249 3 ...
Страница 269: ...Main Harness p n 1686 588 F 800 M 800 XF 800 0746 242 6 ...
Страница 270: ...Main Harness p n 1686 611 TZ1 Turbo LXR LTD 0746 253 7 ...
Страница 271: ...Main Harness p n 1686 610 TZ1 TZ1 LXR 0746 252 8 ...
Страница 272: ...Main Harness p n 1686 613 Bearcat Z1 XT GS p n 1686 615 Bearcat Z1 XT LTD 0746 511 9 ...
Страница 273: ...Main Harness p n 1686 578 Sno Pro 120 10 0744 204 ...
Страница 274: ...Ignition Main Harness p n 1686 628 Sno Pro 500 11 0745 605 ...
Страница 275: ...Ignition Main Harness p n 1686 657 Sno Pro 600 12 0746 250 ...
Страница 276: ...0745 601 13 Console Harness p n 1686 631 TZ1 LXR TZ1 Turbo LXR LTD ...
Страница 277: ...Hood Harness p n 1686 638 F 800 M 800 XF 800 0746 243 14 ...
Страница 278: ...Console Harness p n 1686 633 Bearcat 570 F570 T570 0746 238 15 ...
Страница 279: ...Console Harness p n 1686 634 F5 LXR 0746 240 16 ...
Страница 280: ...Hood Harness p n 1686 639 F 1100 Turbo M 1100 Turbo HCR XF 1100 Turbo 0746 246 17 ...
Страница 281: ...Hood Harness p n 1686 658 Sno Pro 600 Cross Country p n 1686 664 Sno Pro 600 Sno Cross 18 0746 251 ...
Страница 282: ...0746 254 19 Console Harness p n 1686 547 Bearcat Z1 XT GS p n 1686 549 Bearcat Z1 XT LTD TZ1 ...
Страница 283: ...Hood Harness p n 1686 587 Sno Pro 500 20 0744 201 ...
Страница 284: ...Handlebar Harness p n 1686 652 TZ1 LXR Turbo LXR LTD p n 1686 653 Bearcat Z1 XT GS LTD 0746 513 21 ...
Страница 285: ...Passenger Seat Harness p n 1686 570 22 0744 197 ...
Страница 286: ...Handlebar Harness p n 1686 636 F 800 M 800 XF 800 p n 1686 654 M 800 HCR 0746 244 23 ...
Страница 287: ...Handlebar Harness p n 1686 537 Bearcat 570 F570 T570 0746 239 24 ...
Страница 288: ...Handlebar Harness p n 1686 574 F5 LXR 0744 189 25 ...
Страница 289: ...Handlebar Harness p n 1686 637 F 1100 Turbo M 1100 Turbo XF 1100 Turbo 0746 247 26 ...
Страница 290: ...Handlebar Harness p n 1686 590 Sno Pro 500 27 0744 200 ...
Страница 291: ...Handlebar Harness p n 1686 656 M 1100 Turbo Sno Pro HCR 28 0746 510 ...
Страница 292: ...Misc Groomer Special p n 1686 645 p n 1686 646 p n 1686 647 p n 1686 648 29 0746 241 ...
Страница 460: ...8 26 0744 930 ...