Originally Posted by bradders
Standard sps motor will give you more, should be good for 130 with little work and some are seeing 145 plus with lots of work! but not sure of all the rules re models and BHP limits.
Now now Paul you know how I feel about BHP.
There you go.
Golden Era Superbikes (2012)
1. ELIGIBLE MACHINES
In principle, all 4-stroke machines of the following ages are eligible:-
4 cylinder machines up to 750cc built before 1st January 2000
3 cylinder machines up to 950cc built before 1st January 2000
2 cylinder machines up to 1010cc built before 1st January 2000
Plus the following models that were basically unchanged from that period until they ceased
Kawasaki ZX7R and RR up to 2003
Aprilia RSV Mille & Mille R up to 2003 (not later model RSV 1000 with central air intake)
Suzuki TL1000S & TL1000R up to 2003
Triumph T595 up to 2001
MV Augusta F4 750 Oro & S models to 2002
Honda RC51 (SP1 & SP2)
Ducati 916 – 996 (not 998 models)
Yamaha OWO1 (to 861cc)
Yamaha YZF 750 (all models)
Yamaha R7 (750cc only no conversions)
“Specials” from in period accepted on a case by case specific basis.
All motorcycles must comply in every respect with all requirements for Road Racing as specified
in the ACU regulations.
2. DISPLACEMENT CAPACITY
The displacement must remain within 15cc of the original design for the engine concerned
allowing for rebore repairs. Four cylinder machines built before 1st January 1995 may be
overbored to a maximum of 861cc and the smaller capacity twins & triples from the same period
may be updated with the later parts to bring the capacity up to the class limits. Machines built after
1st January 1995 may not exceed the cc limits as listed above for the relevant year of