V PRO
New for 2010

Requirements and Specifications

Designation: “VP” followed by bike number.

Reserved for gas burning V Twin based engines modified for drag racing. This is a heads up, .400-second, Pro-tree class.

1. Engine

(a) Engine:

Must keep design features of V-Twin engines (45° to 90° V-Twin).

(b) Carburetors or Fuel Injection:

Carburetors or Fuel Injection: Allowed. N/A 710 lbs minimum, Turbo Supercharger, or Nitrous 750 lbs minimum, Turbo/Supercharger with Nitrous 760 lbs minimum.

2000 cc (122ci) limit for Naturally Aspirated, Vrodmotors 1430cc (88ci) limit
for Turbo, Supercharger and/or Nitrous. Metric motors 1800cc (110ci) limit
for Turbo, Supercharger and/or Nitrous. Push rodmotors 1800cc (110ci) limit
for Turbo, Supercharger and/or Nitrous.

(c) Fuel:

Gasoline Only. No Alcohol or Nitro Methane.

(d) Fuel System:

Nitrous bottles must be stamped with Dot-1800 rating and be securely mounted. No hose clamps or tie straps. Line from bottle to solenoid must be high pressure steel braid or steel. NOS BottleMounting: NOS bottles should bemounted when possible within the frame of the bike. However they can be mounted on the side of the bike if equipped with approved valve guards. Schnitz part number TVC-NOS.

2. Drive Train

(a) Chain Guard:

Chain and belt guards are mandatory. Must cover top run of drive. Guard must be .060-inch steel or 1/8 inch aluminium.

(b) Transmission:

Any type transmission may be used. Any type clutch, belt drives, air shift, etc. are legal. (Clutch must have strong protective covering.) Guard must be .060 steel or 1/8 inch aluminium. Transmissions and clutches must exhibit good engineering practices and may require data to be submitted for approval.

3. Suspension and Brakes

Brakes: Hydraulic type, front and rear, mandatory. Minimum size is 9-inch diameter, 1/8-inch thickness for rotors.

Controls: Handlebar controls must be located in safe, workable position.

Foot pegs and foot controls must be located in safe, workable position and must be mounted in a safe, craftsman-like manner. Lanyard kill switch is mandatory.

Suspension: Front suspension minimum size 32 mm and minimum travel of 2 inches. Steering dampeners are mandatory. Rear suspension not necessary.
4. Frame
Frame: Stock or Aftermarket frames permitted. Steering head angle may
not be less than stock rake. All frame components, except braces, brackets
and gussets, must be manufactured from minimum 1.00 inch x 0.58 inch
4130 chrome moly tubing. All welding must be done by approved heliarc
process. All frames must have stops that limit turning arc to 28 degrees. Stop
must have a sheer strength equal to a 3/8-inch bolt. All butt welds must have
visible reinforcement. Plating of frame prohibited. Painting permitted.

Steering Stabilizers: Mandatory

Ground Clearance: Minimum of 2 inches with rider on motorcycle and
10 p.s.i. in rear tire (includes exhaust and kickstand).

Wheel Base: Minimum 66” Maximum 70”

Wheelie Bars: Wheelie bars are required. Minimum length from centre of rear
axle to centre of Wheelie bar axle must equal at least 70% of wheelbase.
5. Wheels and Tires

Tires: Must be specified for racing use by manufacturer. 8.5-inch wide rear tire is maximum limit.

Wheels: Rear wheel minimum 15 inch, maximum 18 inch. Front wheel minimum 16 inch, maximum 19 inch.

6. Body

Body: No body parts are necessary, except rear fender that must cover width of tire and extend past the rear axle.

Fairing: Are legal. Must be mounted solidly to frame tubes.

Seat: Seat, tail section and rear fender may be incorporated into one unit and must include a step to prevent rider sliding backward.

7. Electrical

Ignition: Any ignition system is allowed.

Charging System: Not necessary.

Starting System: Remote or on board starters acceptable. Battery top covers are required. No rollers. No push starts. Jack stands are mandatory for starting motorcycles with slipper clutches. No dry hops in pits.

Control Switches: Must be mounted and constructed in a safe, craftsman-like manner. Must have an emergency kill switch.

Computers: Allowed.

Lights: Not necessary.

8. Rider

Credentials: Valid C.M.D.R.A. competitor license.

Helmet: Full coverage helmets only! Must be Snell-2000 approved. Eye protection required.

Protective Clothing: Full finger leather gloves with knuckle armour and palm reinforcement, one piece or full circumference zippered leather suit with knee, elbow and shoulder armour or reinforcement, spine/back protector and above the ankle leather boots with toe area reinforcement are required.

9. Tech

Tech: All motorcycles must be teched in before practice. Motorcycle, rider and his protective gear must be present at tech area. Tech official will have final say on any unclear rule or equipment.