96
Problem: Gears noisy (Noise seems to come from secondary bevel gear and final driven shaft)
Condition
Remedy
1.
Drive - driven bevel gears
damaged - worn
2.
Backlash
excessive
3.
Tooth contact
improper
4.
Bearing
damaged
5.
Gears
worn - rubbing
6.
Splines
worn
7.
Final driven shaft thrust clearance
too large
1. Replace gears
2. Adjust backlash
3. Adjust contact
4. Replace bearing
5. Replace gears
6. Replace shaft(s)
7. Replace thrust washer(s)
Problem: Engine idles poorly
Condition
Remedy
1.
Valve clearance
out of adjustment
2.
Valve seating
poor
3.
Valve guides
defective
4.
Rocker arms - arm shaft
worn
5.
Fuel injector
obstructed
6.
Injector timing
incorrect
1. Adjust clearance
2. Replace - service seats - valves
3. Replace guides
4. Replace arms - shafts
5. Replace fuel injector
6. Time injectors
Problem: Engine runs poorly at high speed
Condition
Remedy
1.
Valve springs
weak
2.
Valve timing
out of adjustment
3.
Cams - rocker arms
worn
4.
Air cleaner element
obstructed
5.
Fuel hose
obstructed
6.
Fuel pump
defective
7.
Fuel filter
plugged
1. Replace springs
2. Adjust timing
3. Replace cams - arms
4. Clean - replace element
5. Clean - replace hose
6. Replace fuel pump
7. Replace filter
Problem: Exhaust smoke dirty or heavy
Condition
Remedy
1.
Oil (in the engine)
overfilled - contaminated
2.
Piston rings - cylinder
worn
3.
Valve guides
worn
4.
Cylinder wall
scored - scuffed
5.
Valve stems
worn
6.
Stem seals
defective
7.
Air cleaner element
obstructed
1. Drain excess oil - replace oil
2. Replace - service rings - cylinder
3. Replace guides
4. Replace - service cylinder
5. Replace valves
6. Replace seals
7. Clean - replace element
Problem: Engine lacks power
Condition
Remedy
1.
Valve clearance
incorrect
2.
Valve springs
weak
3.
Valve timing
incorrect
4.
Piston ring(s) - cylinder
worn
5.
Valve seating
poor
6.
Rocker arms - shafts
worn
7.
Air cleaner element
obstructed
8.
Oil (in the engine)
overfilled - contaminated
9.
Injector timing
incorrect
10.
Fuel filter
restricted
1. Adjust clearance
2. Replace springs
3. Re-time valve gear
4. Replace - service rings - cylinder
5. Repair seats
6. Replace arms - shafts
7. Clean element
8. Drain excess oil - change oil
9. Time injectors
10. Replace fuel filter
Manual
Table of Contents
For Discount Arctic Cat Parts Call 606-678-9623 or 606-561-4983
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