3.14 TOP FUEL MOTORCYCLE GROUP 1
CLASS DESIGNATIONS: TFM/M, TFM/T HEADS UP - PRO-TREE START
TOP FUEL MOTORCYCLE
◊ NOTE: Except where permitted by Class Regulations, any competitor found to be employing reactive traction systems or devices by any means will be subject to a twelve (12) month suspension and a fine of $15,000. ◊ NOTE: Competitors wishing to avoid having their engines inspected at events are encouraged to have their engines verified and sealed prior to the event by an ANDRA Official. Class Description; Top Fuel Motorcycles are the ultimate racing motorcycles. The class accommodates purpose built Drag Racing motorcycles with fully fabricated frames and highly modified engines. Power Adders and Nitromethane fuel are permitted. Class Details; True motorcycle engines or aftermarket engines specifically produced for motorcycle use, are limited to 3277cc (200 cubic inches) with one form of Power Adder, and 2621cc (160 cubic inches) where two forms of Power Adder are used. All motorcycles must use at least one form of mechanical or chemical Power Adder and have a minimum wheel base of 2032 mm (80 inch). The capacity of Rotary engines will be doubled for the purposes of classification. Designation
Multi Cylinder Engines
Twin Cylinder Engines
Class Regulations; Engine: May use any motorcycle engine, or aftermarket engine produced specifically for motorcycle use. Any modifications permitted. Cylinder Head Restraints: Nitromethane fuelled engines using separate cylinder heads for individual cylinders must be fitted with a ballistic containment cover of metal or fabric with ballistic qualities, surrounding each cylinder head and retained by straps attached to the crankcase independently of each cylinder/ head unit or a device meeting SFI 46.1. Electronic Management: Data logging is permitted. Telemetry is prohibited. Preset electronic or pneumatic timers may be used to control clutch and/or fuel functions. Closed loop (reactive) controls are prohibited with the exception of nonperformance enhancing engine shutdowns (such as pan or oil pressure shutdown). Exhaust: Any exhaust system permitted. Fuel: Where mechanical fuel injection is used, a handlebar mounted fuel shutoff is required. Otherwise, taps must be installed in fuel lines. Ethanol, Methanol, Petrol and Nitromethane fuels permitted.