APE 60" west PRO SPORT BIKE - Sportbike Forum: Sportbike Motorcycle Forums
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post #1 of 1 (permalink) Old 02-24-2003, 05:21 PM Thread Starter
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Join Date: Sep 2002
Location: Fun City, West Coast ~ California U. S. of A.
Posts: 162
Thumbs up APE 60" west PRO SPORT BIKE


NMRA SERIES: 6 event points series... ( $60.00 entry fee. )

DESIGNATION: PSB, preceded by rider number.

CLASS DESCRIPTION: Designed for late-model 60" streetbikes.
The class contests the ultimate in stock wheelbase motorcycles.
60" Pro Sportbike is reserved for stock appearing motorcycles with unlimited naturally aspirated engine modifications and any approved fuel, No nitro. No Turbos, No superchargers, No nitrous permitted.

FORMAT: Races will be a qualified 16-bike field. Qualifying and eliminations will be heads-up, run on a .400 pro tree, with all pro class rules in effect. If any bike is unable to make the first round call, alternates will be allowed to take their place in the ladder, with the first alternate to be the quickest non-qualified legal entrant. Alternates must have completed at least one legal qualifying attempt and passed the road course in order to be eligible for alternate status. Any rider that does not qualify for the class will be permitted to run Street E/T at no charge.

ROAD COURSE: Bikes should be street-legal and, in order to prove streetability, may be required to perform a road course test. The road course will be 5 miles long, and following the end of the course, all bikes will be required to turn off their engines and re-fire them within 30 seconds and pass a designated point under power. Substitute riders will be allowed during the road course, but all riders during the road course must have full safety equipment, including SNELL helmet, full leathers, gloves, and boots.

BODY: All main body parts, including fairing, tank, and tailpiece must be cosmetic duplicates of the original parts for the year depicted by VIN number, and cannot be mixed between models. Size and dimension of body parts must be the same as original parts, except as noted. Scoops and air inlet openings may be filled in. Body parting seams may be relocated or removed. FAIRING: Aftermarket windscreens allowed. Lower portion of fairing may be trimmed for exhaust system clearance, or for increased ground clearance. Bottom of fairing may be closed in and/or extended rearward to create a sealed belly pan for oil retention. Bikes originally equipped with full front fairings may remove lower portion of front bodywork, but bodywork must still extend low enough to completely cover cylinder head.

TAILPIECE: Must maintain original size and shape, but may be extended rearward to cover rear tire. Seat may be integrated into tailpiece. No aerodynamic devices, such as wings, fairings, or air dams, may be used, unless originally equipped. Engine air inlets or scoops may be added.

GAS TANKS: Factory appearing gas tanks must be used, and may not be cosmetically altered. Sump area may be modified, but tank must remain functional.

LIGHTS: Head light, and tail light systems must be functional, and must be used when the track lights are on.

BRAKES: front and rear brakes are required.

CHAIN GUARDS: Chain guards are required on all entries.

COOLING SYSTEM: Cooling system required. Cooling systems must be sufficient to operate bike during road course. All components of the cooling system used during road course must remain on bike during all qualifying and eliminations. Any factory or aftermarket components may be used.

ELECTRICAL: Any ignition or electrical systems allowed, including fuel injection controllers. No front wheel speed sensors or third wheel speed sensors allowed. No traction control or wheelie control systems allowed.

KILL SWITCHES: Tether kill switches required on all entrants. Kill switch, when activated, must disable ignition, and fuel pump.

DATA ACQUISITON: Strictly prohibited. No sensors, outside those required for typical fuel injection or ignition controls, will be allowed. Any bike using data acquisition for testing purposes must remove onboard computer and any illegal sensors, including wheel speed, EGT, G-meters, suspension travel, etc.

LAUNCH CONTROL: Stutter boxes, 2-steps, or other devices designed to allow full-throttle launches not allowed.

ENGINE: Any engine originally used in a production motorcycle, may be used.
Factory cases must be used. Any internal engine modifications allowed. Transmissions may be modified, but no-kill autos not allowed.
"Sliders" or other types of centrifugal engagement clutches not allowed.

FRAME: Factory OEM frames must be used, no aftermarket frames will be allowed. Small accessory or body mounting tabs, brackets, braces, mounts, gussets, etc. may be moved, modified, replaced, or removed. Steering neck angle may be altered, but must remain in original location. Rake may not exceed 40 degrees. Neck may be replaced with aftermarket neck, but neck must be same length as original neck. Subframe and/or seat rails may be modified or replaced, but seat rails must remain at original height and location, in relation to main frame. Bikes with factory seats that were originally mounted to fuel tanks or other components other than seat rails may not have bottom of seat relocated lower than original factory location in relation to main frame. No modifications to main frame or engine cradle will be allowed, except as noted otherwise. On factory perimeter-style frames (including, but not limited to, Suzuki oil-cooled GSXR, water-cooled GSXR, Bandit, and Kawasaki ZRX), engine cradle tubes must remain intact and unmodified; i.e. no cutting, sectioning, splicing, relocating etc. allowed. "Engine cradle tubes" will be defined as the tubes which connect to the steering neck, pass down the front and under the motor, back up behind the motor, and across the top of the motor, reconnecting to the steering neck and/or front downtubes. On factory spar-style frames (including most modern sportbikes), main frame spars must remain intact and unmodified. "Main frame spars" are defined as the large formed tubes which connect the steering neck, engine mounts and swingarm pivot.

ENGINE SWAPS: Engine swaps of the same family are allowed. All engines within a given engine family must have the motor mounts and cam drive in same location, as well as have the same cylinder spacing (i.e., Kantana, Bandit, and oil cooled GSXR motors can be interchanged. GSXR 750 motors may be swapped out for GSXR 1100 motors) No modifications can be made to the frame or the motor mount plates. Frame must be 100% stock and must use the stock unaltered motor mounts. All motor swaps must be direct bolt in only.

STARTING SYSTEMS: On-board starting systems required. No external starters, batteries, or boosters allowed. No push-starts.

SWINGARMS: Swingarm-style rear suspension required, no fully welded tail-sections allowed. Any stock, modified stock, or aftermarket swingarms will be allowed. Swingarm pivot location must remain in original location. Pivot axle diameter may be enlarged. Bikes with working rear suspension are allowed any type suspension system, as long as it utilizes a conventional-style single front pivot. Bikes with solid rear suspension are allowed struts only to replace the factory shock(s). No other struts are allowed. Original style front pivot bolt or bolts must be used. Swingarm may not be welded to the frame in any manner.

SUSPENSION: Rear suspension optional. Rigid front forks not allowed, a minimum of 1.5 inches of front suspension travel recommended. Steering dampers recommended, and may be required in the future. 2-inch minimum ground clearance is required, measured with rider sitting on the bike.

TIRES: Approved motorcycle tires required.

WHEELBASE: Maximum wheelbase is 60", no over tolerance allowed. Wheelbase will be measured with rider sitting on bike.

GENERAL SAFETY: All motorcycles and riders must pass NMRA safety inspection.

MINIMUM WEIGHT: 600 pound minimum weight for the class.
No ballast can be mounted to any part of the front suspension.
(i.e., no ballast can be mounted to triple clamps, forks, or axle).

For more info go to www.NMRAonline.com

Red, *<(:{)-

1998 Prostar West Super Gas top ten.
1999 Prostar West Super Gas Champion !
2000 NMRA / Prostar Pro E/T runner up.
2001, 2002, & 2003, NMRA Pro E/T Champion !
2004, Pro E/T #3, 2005, & 2006, Pro E/T runner up.
2007 Pro St. Legal #6, NMRA Pro E/T Champion !
2008 Motorcycle Drag Race Assoc. SS Champion !

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