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Class
Description:
The Pro Street Legal Motorcycle Class
contests street legal, production based stock, as well as
stock appearing motorcycles with engine modifications, &
optional power adders, without a wheelie bar.
Engine: Must be stock-type engine designed and
manufactured for production motorcycle use. Single engine
only. Carburetors, turbochargers, fuel injectors and
superchargers may be used in any combination. Unlimited
displacement and modifications. Crankcase and all tanks
containing fluids must have vent tubes routed to a catch can
or have a non-spill breather
system.
Fuel: Gasoline, Alcohol, and Nitrous only.
Nitro-methane prohibited.
Fuel System: Nitrous and co2 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 bottle mounting: NOS and co2 bottles should be mounted
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
Drive Train
Chain and/or belt guard mandatory. Must extend from the
center line of the rear axle covering the full length of the
exposed swing arm, ending no shorter than 10” from the point
the swing arm goes behind the main frame spar. Guard should
be constructed from .060 inch steel or .125 inch aluminum
and firmly mounted. No clamps or tie straps. O.E.M chain
guards allowed only on stock length O.E.M. swing arms.
Clutch: No air activated or slider clutches. Clutch must be
lever activated by the rider’s hand. Clutch assembly must
have top and at least half of the side surface covered by
.060 inch steel or .125 inch aluminum or O.E.M.
Transmission: Any transmission other than automatic.
Suspension and Brakes
Brakes: Front and rear hydraulic type brakes are
mandatory. Minimum rotor size is 7 inch diameter x 3/16 inch
thickness, O.E.M. or aftermarket. Rotors may be drilled only
if minimum diameter and thickness are maintained.
Controls: Handlebars must measure 20 inches overall
with grips removed. Snap back throttle return mandatory.
Foot pegs may be rear set. Any shifter or brake pedal that
can be operated with the foot on the peg will be permitted.
Air or electric shifters permitted. Air bottles must be
stamped with Dot-1800 rating and be securely mounted. No
hose clamps or tie straps.
Suspension: Aftermarket suspension permitted. Wheelie
bars prohibited.
Minimum Suspension Travel: Front suspension minimum
fork diameter of 32 mm with a minimum travel of 1.0 inches.
Steering damper strongly recommended, mandatory running 150
MPH or faster.
www.cmdra.com
Ground Clearance: 3 inch minimum ground clearance: A
3 inch bar/pipe must clear all hard parts (chassis/motor)
with the rider seated on the bike, rear tire at 15 psi.
Flexible body panels, engine blankets and belly pans may be
lower but must have a minimum of 2” ground clearance and may
need to be temporarily removed for tech purposes. Low
profile oil pans with side or recessed drain plug are highly
recommended, but are not mandatory. Ground clearance must be
1 inch greater than the maximum front fork travel. Example,
a bike with 3 inches of fork travel must have 4 inches of
ground clearance.
Fork Straps: Fork Straps will be allowed for lowering
the front suspension. Straps must be bolted to the lower
fork leg via the brake caliper bolts or axle pinch bolts.
Straps must be oriented in a way that does not impede
steering movement. Open hook ended straps are not allowed.
Adjusting forks straps to lower the ride height of the bike
after tech inspection is not allowed. Anyone caught
violating this rule would lose all his or her points and be
disqualified for that event. If you are caught again you
could lose all
your points for the season.
Frame
Frame: Stock OEM frames allowed. Frame must display
vehicle identification number (VIN) in original location.
Strengthening modifications to stock frames are permitted as
long as the frame is not weakened. Strengthening gussets
and/or tubes may be added but not removed. Accessory
brackets (radiator, shock reservoir, etc.) may be changed,
relocated or removed
unless they also serve as a strengthening member. Steering
head angle may not be less than stock rake or more than 40
degrees maximum rake. Minimum offset from steering stem
center line to fork center line is ½ inch. Minimum seat
height, with rider in position and seat compressed, measured
from lowest point of seating position to ground is 20
inches. Frame strengthening gussets/tubes and replacement
brackets must be made from 4130 chrome moly steel on OEM
steel frames or a compatible aluminum alloy on OEM aluminum
frames.
All welding must be done by using mig or tig welding process
in a “workmanship” like manner. Frames may be polished.
Wheelie bars prohibited. Wheel Base. 68” maximum for turbo
charged bikes, 70” for all others.
5. Wheels & Tires
(a) Wheels: Front wheel: minimum diameter 16 inches; maximum
diameter 21 inches. Rear wheel: minimum diameter 15 inches;
maximum diameter 18 inches. Total weight of front wheel
rotating assembly, including tire, rotor, bearings, etc
cannot exceed 29 lbs.
(b) Tires: DOT motorcycle street tires only with 2/32” tread
on front and rear. Slicks prohibited. Wheels wider than 6.25
- inches using tire tubes must have bead lock. Bead lock
highly recommended on rear wheels. No weight reduction
modifications.
48 C.M.D.R.A. Rule Book 2010
6. Body
Body: All main body parts, including tail sections,
must have stock appearance and shape (i.e. no one piece
bodies or tank shell). Alterations of gas tanks are limited
to sloping at rear of tank. Replacement parts are allowed,
but must retain the shape of the stock parts they replace.
*Altering of stock body shapes must be approved by tech
director. Approved aftermarket tanks
from Catalyst Racing Composites Suzuki GSXR1000 - GSXR1SOT05
Suzuki Hayabusa - BUPSTK99 or BUPS2TK99
Seat: Stock O.E.M. or seat with a step to prevent rider from
sliding backwards.
7. Electrical
Ignition: Any ignition system is permitted. Two steps
allowed only on non-turbo charged bikes. Must be equipped
with a positive ignition cut-off attached to the rider with
a lanyard of rawhide, wire, etc. Cut-off must be connected
on primary side of the ignition circuit.
Charging System: Functional charging system with
functional headlight and tail light, required. O.E.M
headlight in the stock location is required. Back of
headlight may be modified but must retain O.E.M appearance.
Turn indicators optional. Headlight and taillight are
required to be on during all qualifying and eliminations.
Brake light also needs to be functional. In the event of
failure, charging system will be rechecked and repairs will
have to be completed prior to next round.
Starting System: Must be self-starting. No external
electric starters, roller or push starts prohibited.
Data Recording: Entrants are limited to passive-only
data recording and may not use the data generated by the
data recorder system to affect or control any function of
the motorcycle. Also, unless otherwise noted, they may not
share the data output from any sensor with any other
electronic control device, Unit must be powered on by
separate switch, and must be wired in its own
easily-traceable harness. Data may only be reviewed after
the run. In passive data recording systems, rear wheel speed
sensors (see above) can only be used to record data, and may
not be connected to nitrous systems, nitrous progressive
controllers, nitrous timers, boost controllers, ignition
timing controllers, ignition modules or any fuel injection
components.
8. Rider
Credentials: C.M.D.R.A., IHRA, or NHRA Licenses will
be accepted if you’re running 9.99 or quicker. Must have a
valid provincial or state rider’s license. Racers running
9.99 seconds or quicker must have a valid IHRA, NHRA or
C.M.D.R.A. competition license.
Helmet: Full face helmet meeting Snell 95 or higher.
Must have Snell tag.
Protective Clothing: Must have leather jacket. Must
have full leathers if running 120MPH or faster. Two piece
suits (jacket and pants) must be joined with a full
circumference zipper at the waist. Must have leather boots
or shoes which cover above ankle. Must have leather gloves.
All protective clothing must be in good condition.
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