Freshman Sport Challenge (Newcomer 600)
Open to Novice or Intermediate Novice Licence holders. Eligible riders can upgrade to Clubman during the season.
4-cylinder: over 400cc up to 636cc
3-cylinder: over 500cc up to 675cc
Engine capacity limits will be confirmed by bulletin in line with the 2026 ACU Road Racing Standing Regulations. Please use the above capacities as a guide only.
Pre Injection 600
Open to Novice, Intermediate Novice, Clubman, National and European FMN* Licence holders.
Non-fuel injected machines manufactured up to 2002. 401 to 600cc
NL500 (CB500)
Open to Novice, Intermediate Novice, Clubman, National and European FMN* Licence holders.
Honda CB500:
1993-2003 Drum & Disc brake Models
Next-Gen Sportbike
Open to Novice, Intermediate Novice, Clubman, National and European FMN* Licence holders.
Yamaha YZF-R7
Aprilia RS660
Kawasaki Ninja 650
Honda Hornet 750
Triumph Daytona 660
Suzuki GSX-8R
Other eligible machines may be added.
Stock Twin Trophy (Standard Twin)
Open to Novice, Intermediate Novice, Clubman, National and European FMN* Licence holders.
Over 400cc up to 650cc 4-stroke 2 cylinders maximum (watercooled)
Over 600cc up to 820cc 4-stroke 2 cylinders maximum (aircooled)
SuperTwin Trophy
Open to Novice, Intermediate Novice, Clubman, National and European FMN* Licence holders.
Any four-stroke twin cylinder motorcycle originally sold for road use with a water cooled engine of up to 700cc may be used.
Single cylinder 4-stroke machines up to 800cc are also permitted, provided they use a production-based engine (these machines do not require road homologation but must not exceed 78bhp sae).
Club Sport Cup (Cup 600)
Open to Novice, Intermediate Novice or Clubman Licence holders.
4-cylinder: over 400cc up to 636cc
3-cylinder: over 500cc up to 900cc
Club Sport Cup (Cup 1000)
Open to Intermediate Novice or Clubman Licence holders.
4-cylinder: over 600cc up to 1000cc 4 stroke
3-cylinder: over 675cc up to 1100cc 4 stroke
2-cylinder (water cooled): over 750cc up to 1200cc 4 stroke
2-cylinder (air cooled): over 830cc up to 1300cc 4 stroke
Fortis F900R Cup
Open to Novice, Intermediate Novice, Clubman, National and European FMN* Licence holders.
2023/24 BMW F900R: e1168/201300167*00
2025 BMW F900R: e1168/201300381*00
2026 BMW F900R: TBC
Streetbike Cup
Open to Novice, Intermediate Novice, Clubman, National and European FMN* Licence holders.
Up to 900cc, from the Naked/Street middleweight category
List of approved models are available in the regulations.
Premier Sport Cup (NEW for 2026)
Open to Clubman, National and European FMN* Licence holders.
4-cylinder: over 400cc up to 636cc
3-cylinder: over 500cc up to 900cc
Premier Power Cup (Premier 1000)
Open to Clubman, National and European FMN* Licence holders.
4-cylinder: over 600cc up to 1000cc 4 stroke
3-cylinder: over 675cc up to 1100cc 4 stroke
2-cylinder (water cooled): over 750cc up to 1200cc 4 stroke
2-cylinder (air cooled): over 830cc up to 1300cc 4 stroke
Super Series Sport Trophy (Super Series 600)
Open to Clubman, National and European FMN* Licence holders.
4-cylinder: over 400cc up to 636cc
3-cylinder: over 500cc up to 900cc
Super Series Power Trophy (Super Series 1000)
Open to Clubman, National and European FMN* Licence holders.
4-cylinder: over 600cc up to 1000cc 4 stroke
3-cylinder: over 675cc up to 1100cc 4 stroke
2-cylinder (water cooled): over 750cc up to 1200cc 4 stroke
2-cylinder (air cooled): over 830cc up to 1300cc 4 stroke
Old School 1 K Trophy
Open to Intermediate Novice, Clubman, National and European FMN* Licence holders.
Eligible Machines (non-exhaustive list)
Yamaha R1 (up to 2011)
Honda Fireblade (up to 2016)
Kawasaki ZX-10 (up to 2010)
Suzuki GSXR-1000 (up to 2016)
Aprilia RSV4 (up to 2011)
KTM RC8 (up to 2015)
No Limits Endurance
Open to Novice, Intermediate Novice or Clubman Licence holders.
Team Sport Trophy
4-cylinder: over 400cc up to 636cc
3-cylinder: over 500cc up to 900cc
Team Power Trophy
4-cylinder: over 600cc up to 1000cc 4 stroke
3-cylinder: over 675cc up to 1100cc 4 stroke
2-cylinder (water cooled): over 750cc up to 1200cc 4 stroke
2-cylinder (air cooled): over 830cc up to 1300cc 4 stroke
Team Twin Trophy
Over 400cc up to 650cc 4-stroke 2 cylinders maximum (watercooled)
Over 600cc up to 820cc 4-stroke 2 cylinders maximum (aircooled)
Elite Team Twin Trophy (includes National and other Euorpean FMN* Licence Holders)
Over 400cc up to 650cc 4-stroke 2 cylinders maximum (watercooled)
Over 600cc up to 820cc 4-stroke 2 cylinders maximum (aircooled)
ACU National Endurance
Open to Novice, Intermediate Novice, Clubman, National and European FMN* Licence holders.
National 600
4-cylinder: over 400cc up to 636cc
3-cylinder: over 500cc up to 900cc
National 1000
4-cylinder: over 600cc up to 1000cc 4 stroke
3-cylinder: over 675cc up to 1100cc 4 stroke
2-cylinder (water cooled): over 750cc up to 1200cc 4 stroke
2-cylinder (air cooled): over 830cc up to 1300cc 4 stroke
* European FMN Licence holders
Other European FMN licence holders are riders who hold a valid racing licence from their own country's national motorcycle federation (FMN).
A list of European FMNs is available on the RIB under Sporting and Technical Regulations