Complete and comprehensive FACTORY service manual for ALL the 1978 Arctic Cat models. Includes all variations of the Pantera, Panther, Cheeta, Jag and Lynx!. Over 230 pages in PDF file form for download. You can download the FREE preview file, then download the entire manual here instantly!

TROUBLESHOOTING

Brakes Squeal / Poor Brake Performance

Air in system
Water in system (brake fluid contaminated)
Caliper/disc misaligned
Caliper dirty or damaged
Brake line damaged or lining ruptured
Worn disc and/or friction pads
Incorrectly adjusted stationary pad
Worn or damaged master cylinder or components
Damaged break pad noise insulator

Pedal Vibration

Disc damaged
Disc worn (runout or thickness variance exceeds service limit)

Caliper Overheats (Brakes Drag)

Compensating port plugged
Pad clearance set incorrectly
Parking brake lever incorrectly adjusted
Brake pedal binding or unable to return fully
Parking brake left on
Residue build up under caliper seals
Operator riding brakes

Brakes Lock

Alignment of caliper to disc
Caliper pistons sticking
Improper assembly of brake system components

Ignition System Troubleshooting

No Spark, Weak or Intermittent Spark

Spark plug gap incorrect
Fouled spark plug
Faulty spark plug cap or poor connection to high tension lead
Related wiring loose, disconnected, shorted, or corroded
Faulty ignition switch
Wire harness or connections wet, corroded.
Poor ignition coil ground (e.g. coil mount loose or corroded)
Faulty stator (measure resistance of all ignition related windings)
Incorrect wiring (inspect color coding in connectors etc.)
Faulty ignition coil winding (measure resistance of primary and secondary)
Worn magneto (RH) end Crankshaft bearings
Sheared flywheel key
Flywheel loose or damaged
Trigger coil air gap too wide (where applicable) - should be .016 - .030 (.4 - .75 mm)
Excessive crankshaft runout on magneto (RH) end - should not exceed .0024
Faulty CDI module

Troubleshooting

Starter Motor Does Not Run

Battery discharged - Low specific gravity
Loose or faulty battery cables or corroded connections (see Voltage Drop Tests)
Related wiring loose, disconnected, or corroded
Poor ground connections at battery cable, starter motor or starter solenoid (see Voltage Drop Tests)
Faulty key switch
Faulty starter solenoid or starter motor
Engine problem - seized or binding (can engine be rotated easily)

Starter Motor Turns Over Slowly

Battery discharged - low specific gravity
Excessive circuit resistance - poor connections (see Voltage Drop Test)
Engine problem - seized or binding (can engine be rotated easily)
Faulty or worn brushes in starter motor

Starter Motor Turns - Engine Does Not Rotate

Faulty starter drive
Faulty starter drive gears or starter motor gear
Faulty flywheel gear or loose flywheel

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