Lawnmower Race Rules

These rules are the same at every event that is being run.

I. Driver Eligibility

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No driver under 18 years old

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No exceptions

II. Driver Safety Equipment

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Every driver must wear an automobile racing or motorcycle-type full face helmet approved by the U.S. Department of Transportation of the Snell Foundation. The helmet must fit snugly and be securely buckled when driver is on the track.

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Long hair must be kept tucked inside helmet.

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Goggles or a face shield are required. Glasses are not sufficient.

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Every driver must wear long pants, long-sleeved shirt or jacket, full-finger gloves and leather over-the-ankle footwear on the track. Motorcycle leathers or anti-abrasion karting suites are highly recommended. No loose clothing (un-tucked or un-buttoned shirts, etc)

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An approved, racing neck support is MANDATORY

III. Mower Eligibility

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Events are open to all self-propelled rotary or reel type lawn mowers: the main provision being that the mower must originally have been designed, mass produced, and sold commercially through a dealer network to mow residential lawns. It must remain suitable for lawn cutting, apart from the modifications permitted below or in the supplementary regulations of an event.

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The generally accepted category is riding mowers and lawn tractors with rear tires 20 inches diameter and under. Mowers from England (with trailer seats) may compete.
Grass catchers are not permitted. See class rules for engine size limits.

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Organizers reserve the right to reject at any time any mower, which in their opinion represents an attempt to defeat the spirit of these Regulations, even though it complies with the letter of them.

IV. Technical Inspection

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Every mower entered in any event must be approved for competition by Technical Inspection before practicing or racing at any event. A Safety Tech/Build Tech sticker will be issued at each race. Any mower may be re-inspected at any time at the discretion of the Race Day Chief Steward or any Staff-level Tech Inspector or the event. If found to be in noncompliance with these Regulations, any mower may be removed from competition.

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The Race Day Chief Steward shall have the right to remove from competition at any time any driver, crew member or guest in the paddock who does not comply with these Regulations, who fails Technical Inspection or who, in the Race Day Chief Steward's sole discretion, is exhibiting behavior which is dangerous to participants or spectators.

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If, after reading these Regulations you need a clarification, you are encouraced to contact one of the Staff members PRIOR TO RACE DAY. We want everyone to race, BUT we are creating fairness, safety, consistency and enforcement of rules. Competitors must be aware that Clarifications are offered in good faith and do not afford specific mowers protection from subsequent protest.

V. General Mower Requirements

***NOTICE***
These general requirements apply to ALL racing classes. Any EXCEPTIONS to these requirements are listed in the individual class build rules.

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CUTTING BLADES MUST BE REMOVED COMPLETELY FROM ALL MOWERS. ALL MOWERS MUST HAVE A CUTTING DECK SECURELY MOUNTED IN THE STOCK POSITION, WITH A MINIMUM OF 2.5" GROUND CLEARANCE UNDER THE LOWEST POINT OF THE DECK.

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No overhead cam engines allowed except in the stock class. No liquid cooled engines in any class.

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All non-stock mowers MUST be equipped with an automatic throttle closing device.

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Stock mowers MAY be equipped if desired.

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All mowers must be equipped with a kill switch, which will turn off the ignition if the driver leaves the mower. Non-stock mowers shall use a tether, mechanically attached to mower and driver. Velcro is not acceptable. Pressure switches are not allowed. Kill switch must remain in closed position (engine not running) until driver mounts mower. The ignition interrupter kill switch and cap/prong must be commercially available for racing type vehicles such as jet skis, snowmobiles, 4-wheelers etc. Magnetic or any other form of homemade switch is not allowed.

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Mower brakes must be in good condition, easily operated and operating on at least two wheels.

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Brakes may be improved in any way.

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Throttle and brake controls may be relocated.

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FRAME: Discrete strengthening is allowed. Front and rear axles must use original frame as primary mounting point.

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Mowers must be free of projections, which could injure the driver or a competitor, or damage other mower. No axle or wheel mounting bolts may protrude beyond the face of the tire sidewall.

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Mowers must be safe and complete, all parts and panels in place, with no missing nuts, bolts, cotter keys, etc.

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All exposed chains and sprockets must be fitted with metal guards, which will direct a broken chain downward.

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