Street Fighter

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STREET FIGHTER

Update 4/11/21

CLASS REQUIREMENTS                                                                     

DESIGNATION: SF, followed by rider number.

Street Fighter is an index class contested at ManCup National events and is considered the entry point into index racing. Most bikes compete with either big displacement normal aspirated motors to nitrous or turbocharged machines with a D.O.T street tire or drag slick and with or without the aid of wheelie bars. All compete with a heads-up, pro tree start. Street Fighter is run on an all run qualified field, based on a standard of 9.50 1/4 mile and 6.10 1/8th mile index. Standard safety is a requirement. During qualifying, runs quicker than the 9.50/6.10 index will be placed at the bottom of the qualifying sheet. During eliminations, runs quicker than the standard disqualify the rider under “break-out” procedures. All entries may be either self-starting or via use of a starter cart.

POINTS

click here Points System & Calculations to see how points are scored

This class will be a points class at all ManCup events.

It will be the riders responsibility to monitor his or hers points earnings after every event. All requests for points adjustments must be made in writing to info@mancup.info within thirty days of the points posting for the event in question on all events EXCEPT the Finals. For the Finals ONLY, all requests for points adjustments, again, must be made in writing to info@mancup.info and within TEN days of the points being posted. Please understand the Man Cup will strive to keep the points tabulations for all classes accurately and correctly and we do hope by monitoring your own points earnings that any errors or miscalculations can be corrected in a timely fashion.

ENGINE

Internal combustion engines only. Any internal engine modifications permitted. Any power adders permitted. All engines must be push-button or starter cart start. No planned push or roller starters permitted. Bump starts permitted on an emergency basis only. No ethylene glycol antifreeze permitted in cooling systems. Non-internal combustion (Electric) bikes prohibited.

CATCH CANS

Any engine with any power-adder must have a crankcase vent catch can.

CLUTCH

All current OEM and aftermarket clutches are permitted. To include sliders, hand sliders and lock-up type clutches.

TRANSMISSION

Air or electric shifters permitted. Auto shift permitted.

BRAKES

Front and rear brakes are required on all entries.

FRONT SUSPENSION

Rigid forks prohibited. All entrants must maintain a minimum of 1” travel.

FRAME

Wheelie bars are allowed

GROUND CLEARANCE

Minimum ground clearance with the rider on the bike is 2”.

TIRES

DOT street-legal and drag race specific slicks tires only. Al tires must carry a minimum of V-speed rating.

WHEELS

Minimum front wheel diameter is 16”. Maximum rear wheel width is 10”.

ELECTRICAL KILL SWITCHES

Tethered kill switches strongly recommended. Kill switch should shut off all fuel pumps and nitrous equipment.

ELECTRONIC DEVICES

Starting line 2-step rev-limiters allowed. Delay boxes allowed. Any device designed to limit front wheel lift is prohibited.

GENERAL SAFETY

All riders must have a SNELL 95 or higher full face helmet, shoes above the ankle, leather gloves, and a leather jacket. Any rider running faster than 10.99 must also have leather pants. Pants and jackets are not required to be zipped together. Nylon or textile jackets and pants are not permitted, even if they have pads. All jackets and pants must be made of 100% leather.

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