2001 Polaris SLX, PRO 1200, Virage TX, Genesis, Virage TXi, Genesis i Personal Watercraft Service Manual, Page 72Get this manual

2001 Polaris SLX, PRO 1200, Virage TX, Genesis, Virage TXi, Genesis i Personal Watercraft Service Manual, Page 72

lVIaintenance General TroubleshootingContinued Rich Fuel Mixture Symptoms: Fouled spark plugs; black sooty exhaust; rough
Weak spark from fouled, defective, worn or wrong spark plugs Broken reed petals Symptoms: Engine "pinging" or "knocking"
Lean fuel mixture Poor quality, low octane gasoline Incorrect ignition timing Spark plug heat range too high Symptoms: Engine
power loss Weak spark Incorrect fuel or fuel mixture Water in fuel system or oil tank Fuel filter restricted Jet intake clogged
Cooling system clogged Symptoms: Engine noise Detonation (see causes for holed or eroded pistons, this section) Excessive
piston clearance Exhaust leak, loose exhaust pipe or muffler (water box) Engine mounts or mount plate loose or rubber mounts
broken Drive coupler splines dry Driveshaft runout excessive Driveshaft end play incorrect; rubber dampers worn or missing