Rules & Regulations

How To Race

Membership Required

Each rider will need to hold a current and appropriate class ACU licence and become a member of any Formula Grasstrack associated club.

You can contact the club secretary for application forms and the ACU for licence details by using the contact us page to the left or the ACU direct. Please remember that everyone in all of the clubs will be willing to help you obtain the required licences / memberships.

ONLY THE BELOW ENGINE MANUFACTURERS CAN BE USED:

Honda Engine

A standard street legal 100cc- 125cc single cylinder, two valve 4 – stroke, aircooled.
Standard specification as HAYNES MANUAL
i.e. Bore 56mm. Stroke 49.5mm. Comp ratio 9.5 : 1 etc.
No engines designed for off-road use to be used e.g. Xr range
No interchanging of parts that would alter standard specification of engine.

Zongchen Pit Bike Engine

A Standard 125cc Single cylinder, two valve, 4-Stroke, aircooled engine.
Bore 54.0mm. Stroke 54.5mm.
Standard Head with inlet valve at 27mm and exhaust valve at 23mm
NO ROLLER ROCKER HEADS ALLOWED. CAM SHAFT TO BE STANDARD
NO GAS FLOWING OR VALVE UNDERCUTTING

All machines must comply with the standard regulations for Grasstrack racing as given in the current edition of the A.C.U. handbook with the exception of the following:

CARBURETTOR

Any make of carburettor may be used.
Honda – No maximum size.
Zongshen – Maximum size of 26mm. Carb must be upright.

GEARBOX

Standard ratios only.
No close ratio gears.
Gears to be fitted as standard with model.
No pinions to be left out of gear box, the full cluster must be fitted.

FUEL

Petrol – normal pump grade.
Methanol is not allowed.

IGNITION

Any type of ignition including electronic.
Rotor & Stator plate may be removed.

TYRES

SENIOR CLASS

REAR TYRE RESTRICTED TO Grasstrack/Speedway/Trials tread pattern only.
Maximum tyre width 3.75 inches (95mm).
23” front wheels only.
NO TYRE CUTTING IN ANY FORM WILL BE ALLOWED.

YOUTH CLASSES

NO RESTRICTION AS A.C.U. TECHNICAL REGULATION 4.3.

Class	Age Group	Plate Colour	Number Colour
Cadet/Auto Cadet	6-8 years.	White	Black
Cubs	9-12 years.	Red	White
Junior	12-16 years.	Green	White
Senior	over 16 years.	Black	White

IN SUMMARY

You need:

To be a member of an FGA club, Wrekin, Minsterley or Whitchurch.
To join the FGA formula fifty club.
To have either an ACU Licence or purchase a day permit.
To have a specification compliant Bike and Safety Wear.
The General ACU Handbook can be located at this link and the Track Racing Standing Regulations can be located at this link.

Information

Membership

PLEASE NOTE IF YOU ARE NOT A MEMBER OF MINSTERLEY, WREKIN OR WHITCHURCH CLUB AND HAVE NOT PAID YOUR FORMULA 50, YOU WILL HAVE TO PAY A £5 SURCHARGE ON EACH ENTRY MADE.

Results

All Race Results are now available on the Championship Tables page.

As of 2022, all results count towards each rider’s championship tally. No dropped round.

Race Results

All Race Reviews are now available on the Race Reviews page.

Race Meeting Photographs

All available Photos from the Race Meetings are now in the Championship Folder in the Gallery

We would love you to post your pictures as well. If you log into the site, you will see an option at the bottom of the page to upload yours as well.

FGA Facebook

The FGA Facebook page is at the following link.