2007
Stock Mower
Driver Safety
Minimum age – 18 years old.
Full face or motorcross helmets required. Must have adequate eye protection.
Neck braces are required.
Gloves are highly recommended.
Over the ankle foot wear is required.
Full length pants and long sleeve shirts or jackets are required.
Both hands are to remain on the steering wheel during green flag racing.
Drivers will wear track approved kill switch at all times mower is in motion.
Plunge tether style kill switch highly recommended.
Kill switch cord length may not exceed 32”.
Mower Build
Any commercially produced front engine, four wheel lawn mower.
Must use stock frame with hood, fender, and all panels securely mounted.
Mower decks are optional.
Blades must be removed.
Glass headlights must be removed.
Must use commercially produced lawn mower seat, safely mounted on mower.
May lower mower to minimum of 4”. Measured at lowest point of frame.
Front and rear track width may not exceed 38".
May not offset front or rear axles.
Front axle must be securely mounted to frame.
Front axle and spindles may be improved or custom built.
Wheels on front spindles must be pinned, bolted or welded.
Hub on rear axles must be pinned, bolted, or welded.
Steering wheel needs to be safely centered on mower.
May use either foot or hand throttle.
Throttle must automatically retract to closed position.
Throttle cable must be secured and may not extend outside any part of mower.
Brakes must be capable of stopping mower in a safe distance and manner.
Must use belt from motor to transmission or transaxle.
No centrifugal clutches of any kind.
Engine must remain centered on mower.
Engines
Vertical shaft engines only.
Completely stock Overhead Value, 14.5 hp or less with no modifications.
Any single cylinder Flathead, 13.5 hp or less, with:
A “unaltered” stock flywheel.
A stock camshaft (no after-market cams). A stock carburetors (no after-market carbs).Engine must start with electric starter or pull cord.
Flywheel cover must be secured for protection.
May remove or disconnect factory governor assembly.
May use any type air cleaner assembly.
May advance timing.
May use ant exhaust header pointing downward and away.
Tires & Wheels
Must use lawn turf tires only.
May use steel or aluminum wheels.
Steel wheels may be strengthened on backside.
May run stagger between left and right side. No more than 2” allowed.
General
Mowers must be safe and set up for the rigors of racing.
Mowers must display contrasting numbers on each side, on front, and rear.
There will be no rough driving tolerated.
No profanity decals or vulgar language displayed.
Modified Mower
Driver Safety
Minimum age – 18 years old.
Full face or motorcross helmets required. Must have adequate eye protection.
Neck braces are required.
Gloves are highly recommended.
Over the ankle foot wear is required.
Full length pants and long sleeve shirts or jackets are required.
Both hands are to remain on the steering wheel during green flag racing.
Drivers will wear track approved kill switch at all times mower is in motion.
Plunge tether style kill switch highly recommended.
Kill switch cord length may not exceed 32”.
Mower Build
Must resemble a lawn mower!
Must have stock appearing hood, rear fenders, and other body panels.
Hood must be secured during operation.
Mower decks are optional.
Blades must be removed.
Glass headlights must be removed.
Seat needs to be safely centered on mower.
Mower must have safe ground clearance.
May use front and rear bumper. Must be of tubular design. Rear must be no wider than rear track width and lower rail may be higher than frame rail. Front may be no wider than frame rails and lower rail may be no higher than frame rails.
Front and rear track width may not exceed 45”.
May not offset front or rear axles.
Front axle may be custom built, with adjustable caster & camber.
May run any style of final drive. Transaxle, transmission, or live axle.
Steering needs to be safely centered on mower.
May use either foot or hand throttle.
Throttle must automatically retract to closed position.
Throttle cable must be secured and may not extend outside any part of mower.
Brakes must be capable of stopping mower in a safe distance and manner.
Engines
Any vertical lawn/garden style motor up to 25 hp.
Any horizontal lawn/garden style motor up to 13 hp.
No liquid cooled motors.
Any internal or external modifications allowed.
Must install scatter shield around altered flywheel.
Any racing fuel or alcohol.
Tires & Wheels
Any tire allowed.
Steel or aluminum wheels allowed.
Steel wheels may be strengthened on backside only.
General
Mowers must be safe and set up for the rigors of racing.
Mowers must display contrasting numbers on each side, on front, and rear.
There will be no rough driving tolerated.
No profanity decals or vulgar language displayed.