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2016 Class Information

 

 

CLASS DESCRIPTION

Formula 125

Production based machines up to 125cc (inc 80cc GP) using any moulded tyres. Slick tyres are not permitted.

125 250cc GP ACU National Championship – including NG Trophy

Open to 125GP machines, the 250GP Championship includes Moto3 machines. The NG Trophy will be awarded to the top Newcomer/Clubman license holder in the Championship or the top pre 1992 250 / 350GP machine – whichever is higher.

Formula 400

Production based 250cc two stroke and 400cc four stroke. As per ACU Handbook rules. Any moulded treaded tyre may be used.

Open 500cc

Open to all machines up to 500cc (excluding Formula 125). Slick tyres are permitted.

600cc

Open to all machines 401 - 600cc (4 cylinder), 675cc (3 cylinder) & 750cc (2 cylinder), Kawasaki 636 (pre-2007) are also eligible. Slick tyres are permitted.

Powerbike

Open to four stroke machines 700cc and above. Slick tyres are permitted

Open

Open to all machines 125cc GP and above (excluding Formula 125 and Juniors). Slick tyres permitted.

Sound of Thunder

Open to all four stroke single, twin and three cylinder machines. Slick tyres are permitted.

Mini Twins

Open to all four stoke, twin cylinder machines up to 650cc including up to 820cc air cooled twins. Max power 72bhp- Refer to Mini Twin REGS


Super Twins

Open to all four stroke, twin cylinder machines up to 650cc including 820cc air cooled twins.

Streetstocks 700cc

Open to production based machines from 401 to 700cc (including up to 750cc twin cylinder four stroke) as per series rules (see Downloads section). Metzeler Control Tyres.

Streetstocks 1300cc

Open to production based machines from 701 to 1300cc as per series rules (see Downloads section). Metzeler Control Tyres.

Pre Injection 700cc

Open to non-fuel injected machines manufactured before 2001 up to 701cc. Slick tyres are permitted.

Pre Injection 1300cc

Open to non-fuel injected machines manufactured before 2001 from 701cc – 1300cc. Slick tyres are permitted.

 

Newcomers

For competitors who have not have held an ACU licence before 1st January 2014. Run for four classes of machine (up to 500cc, Mini Twin, Desmo Due and Open). May be entered as a second ride only. Slick tyres allowed if license permits.

Sidecar

Open to all three wheel outfits of any capacity.

Desmoe Due

Class A - 620 and Class B 600. Rules available from Ducati Sporting Club.

Desmoe Due

Open to Single Cylinder 4 stroke machines. No tyre restrictions (in accordance with current ACU Road Race Regulations)

DOWNLOAD a pdf copy of these rules.