Earlystocks Racing Club

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Earlystocks Racing Club

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    • Home
    • Championship Classes
    • Events
    • Downloads
    • Machine Eligibility
    • Supplementary Regs
    • ACU 2024 Regulations
    • Our Aim
    • Membership
    • Race Results
    • Championship Points Table
    • Lap Records
    • Items for Sale
    • Links
    • Committee Members
    • Videos
    • News
  • Home
  • Championship Classes
  • Events
  • Downloads
  • Machine Eligibility
  • Supplementary Regs
  • ACU 2024 Regulations
  • Our Aim
  • Membership
  • Race Results
  • Championship Points Table
  • Lap Records
  • Items for Sale
  • Links
  • Committee Members
  • Videos
  • News

Classes

  

FOUR CHAMPIONSHIP CLASSES FOR 2025


(a):-  500cc Twin Shock Class:-

Pre 1987 Twin Shock Machines 225cc to 525cc

E.g., Suzuki X7, Yamaha RD250/400, Honda CB500/4, CX500, etc.

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(b):- Class 1:- 

500cc Twin Shock Class machines to Modified Specification 

Pre 1987 Twin Shock Machines 526cc to 775cc

E.g., Kawasaki GPZ/Z750, Suzuki GSX750 etc, Honda CB750F, Yamaha XJ550 etc.

Pre 1993 Steel Framed Air-Cooled Machines 225cc to 625cc

E.g., Yamaha FZ600, Suzuki GSX550, Kawasaki Z550 Zephyr etc.

Pre 1987 Water-Cooled Monoshock Machines 225cc to 375cc

E.g., Suzuki RG250, Yamaha LC250/350 & YPVS 350 etc.

Pre 1993 British & European machines 225cc to 675cc & any pre 1993 225cc to 675cc Four Stroke Twin or Single Cylinder machines.
E.g., Yamaha SRX600, Kawasaki GPZ500S, Suzuki GS500, etc

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(c):- Class 2:-

Class 1 Machines to Modified Specification 

Pre 1987 Water Cooled & or Alloy Framed Monoshock Machines 376cc to 775cc. 

E.g., Honda VFR750, Suzuki GSXR750, RG500, Yamaha FZ750 etc.

Pre 1987 Steel Framed Monoshock Air Cooled Machines 626cc to 1300cc

E.g., Suzuki GSX750ESD, Kawasaki GPZ750 Unitrack, Yamaha FJ1100/FJ1200 etc.

1987 to Pre 1993 Air Cooled Twin Shock 626cc to 1300cc - e.g., Kawasaki Z750/1100 Zephyr

Upto 625cc pre 1993 Steel Framed, Oil Cooled. E.g., Suzuki GSX600F.

Pre 1993 British & European Machines 675cc to 1025cc & any pre 1993  Four Stroke Twin or Single Cylinder machines 675cc to 1300cc, except Ducati, 851 & 888 Machines which are not permitted.
E.g., Triumph 750/ 900, BMW K75/K100, Suzuki DR750, Yamaha TDM850 Honda CX650 etc.

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(d):- Class 3:- 

Pre 1987, 776cc to 1300cc Twin Shock Machines upto Modified Specification e.g., GS1000, GSX1100, CBX1000 etc. 

Class 2 Machines to Modified Specification.

Class 1 Machines to Modified Specification &/or using different Carbs than permitted in Class 1 eligibility regs.

MACHINE ELIGIBILITY 2025 1st VS (pdf)Download

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