2010 Non Wing rules
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No traction control. No telemetry systems. Data logging systems (i.e. Mychron) are OK.
Methanol or Ethanol only. Fuel subject to be checked anytime by ASCS2 officials. NOTE: Fuel
samples may be taken for analysis and prize money may be withheld until results are known.
(Penalty for fuel infraction will result in forfeiture of all points and moneys won during event
detected, and a fine up to $250.)
No performance enhancing fuel additives will be allowed. The use of top end lubricants is
allowed.
Non-Wing Class
Engine 600cc 4 cylinder 4 stroke as comes on a stock production bike for public sale in the
U.S.A. No current year production engines.
Except as noted, all internal and external engine parts must remain stock with no
modifications, metal removal, blueprinting.
Valve seat inserts may be reworked. Valve springs may be shimmed with standard or
aftermarket shims.
Cylinder head combustion chambers may be cleaned by bead blasting with valves seated in
place.
Cylinder head gaskets may be replaced only with original equipment manufacturer’s stock
parts (All 3 layers of the head gasket must be used). All other gaskets may be replaced with
duplicate aftermarket parts.
Light cleaning of gasket surfaces with steel wool, Scotch-Brite, etc. is allowed.
Transmission gears may be shimmed only for the purpose of proper engagement. Standard or
aftermarket shims may be utilized.
Aftermarket cam chain tensioner allowed for safety of motor.
Fuel injection engines may run carburetors. Injected with power commander allowed gas or
alcohol. No timing modules allowed. Fuel injection engines running carburetors may change
all fuel metering devices to tune fuel curve, Billet intake boots allowed.
Modification of oil pan & pick up allow allowed or aftermarket ok.
Modification
to thermostat cover allowed or aftermarket ok.to water pump cover allowed or aftermarket ok.
Modification
Any air box, stock appearing CDI, aftermarket washable replacement air filter, power
commander on fuel injection models only.
Any 600cc OEM CV carburetors (no flat slides allowed).
Fuel cell securely mounted. Tank used for qualifying heats must remain for all events.
No flammable liquids allowed in cooling systems.
No cockpit adjustments of any kind.
Weight Rule: Non-Wing Micro Sprint 750 lbs.,(06 to 09 yamaha,07 to 09 honda,07 to 09 Kawasaki and 08 to 09 Suzukis)must weight 800lbs including driver, at the conclusion of the race.
Loss of any bolt-on weight during competition will disqualify the individual from that event.
SECTION 6 – CHASSIS SPECS
Any micro sprint chassis is allowed, but it must pass any test prescribed by the safety
inspectors. The roll cage must be of a four-post design. No elliptical (oval shaped) tubing
used on or as part of the main frame structure. Minimum wheel-base of 50 inches, maximum
wheel-base of 70 inches.
All cars must be equipped with either a tail tank & bladder OR with a safety cell.
Fuel cell securely mounted. Tank used for qualifying heats must remain for all events.
No flammable liquids allowed in cooling systems.
Bumpers and nerf bars are mandatory and must be securely mounted. No aluminum frames,
rear bumpers or nerf bars. Aluminum front bumpers are allowed. Nerf bars must not be
outside of tires.
Steel, aluminum or titanium brake rotors only.
No hollow, tubular or drilled out bolts allowed.
Any cars with a frame that does not enclose the front axle must have the front axle tethered
with “seat belt” material that is securely attached.
The right side opening of body must be a minimum of 10 inches vertical at any point.
Tires and Wheels
Right Rear Hoosier Racing Tire, stamped ASCS2 tire must test with a durometor 50, all classes.
Beadlocks recommended on all wheels.
SECTION 7 – SAFETY EQUIPMENT
All drivers are required to wear SNELL approved helmet, a fire retarding uniform, protective
gloves and arm restraints during competition.
All cars must be equipped with adequate seat belts, shoulder harness and crotch strap. ASCS2
strongly recommends a five point hookup with 3 inch belts.(must be within 3 yrs old)
ASCS2 strongly recommends the use of a HANS or other head restraint system and mandates use of a head sock,
and fire retardant underwear. Any driver not using a head restraint system should wear a
collarbone pad.
SECTION 5 – ENGINES & FUEL
All Classes
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