The Advance CurveAll engines require an ignition curve based both on the requirements of engine rpm and cylinder filling (volumetric efficiency). This means that at 3,000 rpm with the throttle open ...
When a Kubota ZG23 zero-turn mower fails to start or hold a charge, the instinct is to blame the battery or the ignition switch. However, with the Kohler CH23S engine, the real issue often lies in the ...