Arctic Cat XC 450 2016, Руководство по обслуживанию

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Troubleshooting
Problem: Engine will not start or is hard to start (Compression too low)
Condition Remedy
1. Valve clearance out of adjustment
2. Valve guides worn
3. Valves timing incorrect
4. Piston rings worn excessively
5. Cylinder bore worn
6. Starter motor cranks too slowly - does not turn
1. Adjust clearance
2. Replace cylinder head
3. Correct valve timing - check chain, sprockets, and cam chain
tensioner
4. Replace rings
5. Replace cylinder
6. Check - replace starter motor
Problem: Engine will not start or is hard to start (No spark)
Condition Remedy
1. Spark plug fouled
2. Spark plug wet
3. Crankshaft position sensor defective
4. ECM defective
5. Ignition coil defective
6. High-tension lead open - shorted
1. Clean - replace plug
2. Clean - dry plug
3. Replace stator assembly
4. Replace ECM
5. Replace ignition coil
6. Replace high tension lead
Problem: Engine will not start or is hard to start (No fuel reaching the throttle body)
Condition Remedy
1. Fuel hose obstructed
2. Fuel screens obstructed
3. Fuel pump/relay defective
4. Fuel injector defective
1. Clean - replace hose
2. Clean - replace inlet screen - valve screen
3. Replace fuel pump/relay
4. Replace fuel injector
Problem: Engine stalls easily
Condition Remedy
1. Spark plug fouled
2. Crank angle sensor defective
3. ECM defective
4. Valve clearance out of adjustment
1. Clean plug
2. Replace stator assembly
3. Replace ECM
4. Adjust clearance
Problem: Engine noisy (Excessive valve chatter)
Condition Remedy
1. Valve clearance excessive
2. Valve spring(s) weak - broken
3. Rocker arm - rocker arm shaft worn
4. Camshaft worn
5. Valve tappets worn
1. Adjust clearance
2. Replace spring(s)
3. Replace arm - shaft
4. Replace camshaft
5. Replace tappets
Problem: Engine noisy (Noise seems to come from piston)
Condition Remedy
1. Piston - cylinder worn
2. Combustion chamber carbon buildup
3. Piston pin bore worn
4. Piston pin worn
5. Piston rings - ring groove(s) worn
1. Replace - service piston - cylinder
2. Clean chamber
3. Replace piston
4. Replace piston pin
5. Replace rings - piston
Problem: Engine noisy (Noise seems to come from timing chain)
Condition Remedy
1. Chain stretched
2. Sprockets worn
3. Tension adjuster malfunctioning
1. Replace chain
2. Replace sprockets
3. Repair - replace adjuster
Problem: Engine noisy (Noise seems to come from crankshaft)
Condition Remedy
1. Bearing worn - burned
2. Lower rod-end bearing worn - burned
3. Connecting rod side clearance too large
1. Replace bearing
2. Replace crankshaft
3. Replace crankshaft
Problem: Engine noisy (Noise seems to come from transmission)
Condition Remedy
1. Gears worn - chipped
2. Splines worn
3. Primary gears worn - chipped
4. Bearings worn
5. Bushing worn
1. Replace gears
2. Replace shaft(s)
3. Replace gears
4. Replace bearings
5. Replace bushing