1995-2004 Kawasaki Lakota 300, Lakota Sport, KEF300 Service Manual, Page 240Get this manual
15-2 APPENDIX Considerations for Various Riding Conditions
This vehicle has been designed and manufactured to operate under wide range of riding conditionsHowever, it is not feasible to anticipate all of the conditions under which this vehicle might be usedExtremes of temperature, altitude, and riding usage may make changing some carburetor parts or the spark plug desirable to maintain the vehicle in peak operating condition
Carburetor:
Sometimes an alteration may be desirable for good performance under different riding conditions when proper mixture is not obtained after the carburetor has been properly adjusted, and all parts cleaned and found to be functioning properlyIf the engine still exhibits symptoms of overly rich or lean carburetion after all maintenance and adjustments are correctly performed, the main jet can be replaced with smaller or larger oneA smaller numbered jet gives leaner mixture and larger numbered jet richer mixture