1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 109Get this manual
LUBRICATION, MAINTENANCE AND TUNE-UP
Fuel Tank Inspect the fuel tank for cracks and abrasionsIf the tank is damaged or leaking, replace itSee Chapter Six or Chapter Seven
Electrical Connectors Inspect the high-tension leads to the spark plugs (Figure 30) for cracks and breaks in the insulation and replace the leads if they are not perfectBreaks in the insulation allow the spark to arc to ground and impairs engine performanceCheck all wiring for damaged insulationUsually minor damage can be repaired by wrapping the damaged area with electrical insulating tapeIf insulation damage is extensive, replace the damaged wiresAbnormal Engine Noise