For a full list of rules please refer to the A.C.U handbook via the logo below.

(Don't worry too much about these, your bike will almost certainly be OK if it's road legal. e-mail me if you are worried)

ELIGIBILITY. For National Competitions, Entrants, Riders and Passengers must hold a current Competition Licence for International or National events issued by the ACU, the Scottish ACU or a Continental Licence issued by EU Federations or Associates, For all competitions of below National status a current Competition Licence of the appropriate grade is required. Details of eligibility will be found in the Supplementary Regulations of the Event. (Note: This is the ACU cutting and pasting from road race- In all NHCA Hill Climbs in this country any grade of Drag/Sprint licence is acceptable)

SPECIFICATION OF MOTORCYCLE. Motorcycles must comply with the requirements of the following Regulations.

DRIVE. The drive to the machine shall be only through the road wheel or wheels.

BRAKES. Motorcycles in Category 1 Group A1 (Solos) must be equipped with one efficient brake operating on each wheel, and operated independently.
Motorcycles in Category 1 Group B1 , B2 and B3 (Three-Wheelers) must be equipped with at least two brakes. operating independently, on at least two of the road wheels, each giving complete control.

TYRES. Any type of tyre is permissible provided a clearly definable tread pattern covers the full width and circumference of the tyre.

MUDGUARDS. Mudguards are not compulsory.

CLUTCH AND BRAKE LEVERS. Clutch and brake levers must be ball ended, the diameter of the ball being not less than 19mm and either an integral part of the lever or a permanent fixture.

PRIMARY AND AUXILIARY DEVICES. Adequate guards must be fitted to prevent the drives being accidentally touched at any part of the run not in contact with the sprockets.

THROTTLE. All machines must be fitted with self-closing throttles.

HANDLEBARS. The minimum angle of rotation of the handlebars, each side of the centre line or mid-position must be 20 degrees. Whatever the position of the handlebars, it must not be possible for the front wheel to make contact with any streamlining. It is compulsory to fit a stop or stops or other devices to ensure a minimum clearance of 30mm between the handlebars and tank when on full lock to prevent the trapping of the rider's fingers.

SUPERCHARGERS. Superchargers are permitted.

FUEL. Fuel may be Methanol or unleaded petrol, see ACU/FIM Fuel Regulations for physical properties, fuel test costs and penalties for non-compliance. (Test costs and penalties also apply if Methanol is used) Power boosters nitrous oxide injection and octane boosters are forbidden. Fuel must be stored in a labelled metal container. Machines of a type manufactured before 1975 may used leaded pump petrol

FOOTRESTS. The footrests for the rider must be positioned to give easy access to any control pedal. The ends of the footrests must be rounded or with a ball end of not less than 8mm diameter.

SPECIFICATION OF THREE-WHEELERS. (CATEGORY B). All motorcycles shall comply with the following:-
The three road wheels may be disposed to give either two or three tracks.
One of the wheels may be replaced by two wheels, provided the distance between the vertical centre line of these two wheels does not exceed 200mm. Measurement will be taken from the tyre centres.
The wheel track or lateral distance between tracks shall be at least 800mm.
The position of the engine is optional.
The engine may drive one or more road wheels.
The provision of coachwork or streamlining is optional, but the vehicle must have accommodation for one or more passengers
The passenger must always be completely protected from the road wheels and drive (both primary and final) either by mudguarding or some other means.
A passenger must be carried in addition to the rider.
All wheels can be of any diameter required - there is no restriction on wheel diameter

ROAD LEGAL MACHINES. Road legal machines shall be taxed and insured and includes older machines and specials used on the road

OIL DRAIN PLUGS AND SUPPLY PIPES. AII oil drain plugs must be tight and must be drilled and wired in position. Oil supply pipes must be adequately wired in position.

OIL CATCH TANKS. Where an oil breather pipe is fitted the outlet must discharge into a catch tank located in an easily accessible position and which must be emptied before the start of a meeting Total loss engines must have an effective means of collecting all ejected oil with no discharge to road.

NUMBER PLATES. Whenever number plates are required to be carried they will be three in number and must comply with the following requirements: -
They must be made of rigid material and solidly constructed, rectangular in shape, measuring a minimum of 235mm x 285mm in size with 50mm radius rounded corners.
The plates must be flat or slightly curved (not more than one inch from the true plane) and must not be otherwise bent or obscured in any way.
One plate must be carried facing forward and not more than 25 degrees from the vertical and others must be facing outwards and vertical, one on each side of the machine.
The minimum dimension of the figures must be: height 140mm, width of stroke 25mm, and the space between any two figures 25mm.
The figures must be legible and both figures and ground must be in a 'matt' (non-shiny) colour.

The NHCA colours are given on the "Scrutineering" page

They must be so fixed that they are clearly visible and not obscured by any part of the machine or by the rider when he is in the riding position. In place of detachable plates similar areas may be painted on the body of the machine or on the streamlining.
Any other number plate or any marking on the motorcycle that might be confused with a number plate must be removed before the rider is allowed to start.

PROTECTIVE CLOTHING. Bulky hard objects such as tools etc. are NOT to be carried in pockets or on the person. During practice and racing, riders and passengers must wear the following clothing and footwear: -
Competitors must wear a complete leather suit of at least 1.2mm in thickness (on all parts of the suit),
Two-piece suits that zip together all the way around at the waist are acceptable, but not preferred or encouraged.
Non-leather material may be used if it meets with the requirements laid down by ACU Road Racing Standing Regulations.
Competitors footwear must be of leather (i.e. outer hide) or an approved substitute material and of a minimum height of 200mm to provide, with the suit, complete protection i.e. no exposed areas.
Competitors must wear leather (or an approved substitute material) protective gloves.

HELMETS. Helmets bearing the current ACU gold stamp and in sound condition and properly fitted must be worn by all riders and passengers while practicing and racing. Overseas riders may use helmets as approved by their own FMN.

CONTROL OF EXHAUST SOUND LEVEL. The Clerk of the Course may disqualify any machine which exceeds the maximum permitted sound level, or which in his opinion is deemed to be excessively noisy.
The sound level of a hill climb machines controlled according to the FIM method.
Machines must comply with the Supplementary Regulations for the meeting.

METHOD OF START. The start shall be made from a stationary position with the engine running and with the foremost part of the motorcycle a distance of 100mm behind the starting line. A chock shall be placed against the rear wheel of the motorcycle upon lining up with the 100mm mark and shall be retained in position.
A rider must start within one minute of receiving the starting signal. Any rider failing to start within this period may be disqualified.
A rider shall be deemed to have started upon actuating the timing equipment.

TIMING EQUIPMENT. Unless otherwise provided in the Supplementary Regulations, the timing apparatus shall not be placed beneath the wheels of the motorcycle in order to actuate the timing equipment.

FINISH. The finishing line shall be clearly defined and marked.

FLAG SIGNALS. Red Flag: Stop competing and proceed as directed by the course marshals.

ALTERATIONS TO PROGRAMME. In the event of a class being cancelled due to insufficient entries, the promoters reserve the right to merge such entries with the next higher capacity class.

MEDICAL COVER. As per the Safety Section of the Road Race Standing Regulations.

TRACK The safety precautions will be as laid down for each permanent course licence or temporary course certificate following an inspection of the course.

CONSTRUCTION as per the Road Race Regulations with limitations, i.e. Hill Climb rules have precedence over Road Race.

FIRE EXTINGUISHERS All competitors, with the exemption of those travelling to an event on the machine on which they are competing, must have a 2kg (minimum) dry powder fire extinguisher available for immediate use, with a label stating the last annual inspection date and next recharge date to comply with the British Standard Code of Practice BS5306 part 3. If a 'closed vehicle' is being used the extinguisher must be fitted adjacent to, or on the inside of, the working door. In the case of a shared vehicle the other competitors extinguisher(s) should also be visible, or the fitted extinguisher(s) must be of a proportionally larger capacity.

JUNIOR RIDERS. Riders aged 13 years to 16 years will be restricted to machines of up to 125cc capacity.

RUN WHAT YOU BRUNG SPRINT & HILL CLIMB EVENTS
The National Sporting Code of the ACU, these Standing Regulations and the Disciplinary Section of the Road Race Standing Regulations shall apply to all Sprint and Hill Climb "Run what you Brung" events within a Sprint or Hill Climb Meeting together with the Supplementary Regulations and any final instructions.
DEFINITION A race at a Sprint or Hill Climb meeting for Competitors competing on motorcycles registered and licenced for use on the Public Highway.
ELIGIBILITY Open to competitors who are holders of a full DVLA motorcycle licence and who hold an ACU Competition Licence or ACU One Day Licence.
MACHINE ELIGIBILITY Any motorcycle registered and licenced for use on the Public Highway. A current MOT certificate, if required, must be produced at Technical Control inspection. The machine must be in road legal condition to be eligible to take part in this type of event.
PROTECTIVE CLOTHING One or two piece zipped together leathers must be worn. A helmet with a current ACU Gold Sticker must be used. Leather boots and gloves must be worn.
TECHNICAL CONTROL. The machine must be free from all obvious fluid leaks. A number issued by the organisers must be displayed on the machine, to enable identification. All lights and indicators must be taped over. All stands must be wired or taped up.
FLAG SIGNALS. As per ACU Road Race Standing Regulations.