1995-2004 Kawasaki Lakota 300, Lakota Sport, KEF300 Service Manual, Page 244Get this manual
15-6 APPENDIX
Abnormal Engine Noise:
Knocking: IC igniter trouble Carbon built up in combustion chamber Fuel poor quality or incorrect Incorrect spark plug heat range Overheating Piston slap: Cylinderpiston clearance excessive Cylinder, piston worn Connecting rod bent Piston pin, piston pin hole worn Valve noise: Valve clearance incorrect Valve spring broken or weak Camshaft bearing worn Other noise: Connecting rod small end clearance excessive Connecting rod big end clearance excessive Piston ring worn, broken, or stuck Piston seizure, damage Cylinder head gasket leaking Exhaust pipe leaking at cylinder head connection Crankshaft runout excessive Engine mount loose Crankshaft bearing worn Primary gear worn or chipped Camshaft chain tensioner trouble Camshaft chain, sprocket, guide worn Balancer bearing worn Balancer gear worn or chipped
Exhaust Smokes Excessively:
White smoke: Piston oil ring worn Cylinder worn Valve oil seal damaged Valve guide worn Cylinder head gasket damaged Engine oil level too high Black smoke: Air cleaner clogged Main jet too large or fallen off Starter plunger stuck open Fuel level too high Brown smoke: Main jet too small Fuel level too low Air cleaner duct loose Air cleaner poorly sealed or missing