900 Lbs. 14 H.P. Pure Stock
Contest open to riding lawn and garden tractors. Standard lawn mower type engines and carburetors only. Tractors must be stock in appearance. 0-14 H.P. single cylinder flathead engines only. 32 c.i. maximum displacement. Maximum carburetor venturi size is 0.825 inch. Governor required and maximum governor speed is no more than 4,000 RPM. Tires may be cut, but no extra lugs may be added. Standard tractor tires only. No pulling tires. Only regular bar-lug tires are allowed. No locked rear-ends. Maximum over-bore is 0.045 . No velocity stacks or air horns.
