Lawn Mower Racing Classes
Stock
- Stock is just that STOCK. Just remove the blades
IMOW and JR IMOW
- Prepared Chassis with a 1 cylinder flathead engine
- Governed at 3650 RPM / 9-1 gear ratio
- 16" diameter rear tires
     Prepared Classes
AP
- Small Chassis
- 8.5hp or less flathead
SP
- Medium Chassis
- 1cylinder 12.5hp or less flathead
CP
- Larger Chassis
- 1 cylinder OHV or 2 cylinder opposed twin
BP
- Larger Chassis
- VTwin OHV
FX
- Small Chassis
- 28CID OHV 1 cylinder