1999 Polaris PWC Genesis, Ficht, X-45 Service Manual, Page 60Get this manual

1999 Polaris PWC Genesis, Ficht, X-45 Service Manual, Page 60

MAINTENANCEfTUNE UP Troubleshooting Rich Fuel Mixture Symptoms: Fouled spark plugs; black sooty exhaust; rough idle, idle
defective, worn or wrong spark plugs Broken reed petals Lean fuel mixture Poor quality, low octane gasoline Incorrect ignition
timing Spark plug heat range too high Weak spark Incorrect fuel or fuel mixture Water in fuel system or oil tank Fuel filter
restricted Jet intake clogged Cooling system clogged 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 Oriveshaft end play incorrect; rubber dampers worn or missing
Broken ring or ring land Oil pump bushing end play excessive Ignition timing incorrect Piston pin damaged or bent Connecting