Club Rules



This club runs under the Hattonvale and Districts Dirt Track Kart Club constitution and therefore the club is governed by these Rules, Conditions and Morals.

  •   Midget, Rookies and Junior drivers must be aged between five (5) and sixteen (16) years of age and only drive standard karts. Juniors turning sixteen during a race season may finish the season in their junior grade.
  •   Senior standard drivers must be over sixteen (16) years of age.
  •   Modified drivers must be over sixteen (16) years of age and must have driven a senior kartfor at least one year.
  • Although HDKC does not run a timing or points system, drivers are expected to race in the class that matches their ability.  All classes and drivers may be subject to review at any time by the club committee

Club By Laws – Rules and Conditions

  1. Scrutineering
    1. A visual safety check will be carried out on each kart before being allowed on the race track.
    2. Driver’s equipment will also be inspected by the scrutineer before entering the race track.This includes the gloves, neck brace and helmet.
    3. Random checks may be carried out by the officials prior or post any event to any or allcompetitors. This includes checks to the engine – refer to the club engine rules for allowable engines.
  2. Race Kart Specifications
    1. Maximum overall length – 1900mm.
    2. Maximum overall width – 1400mm.
  3. Wheels and Tyres
    1. Four (4) slick tyres.
    2. Rims and roller bearings.
  4. Protection Bars and Pods
    1. All protection bars must have rounded ends and be modified into the body shape of the kart to satisfy the scrutineers.
    2. Side pods and bars must be fitted to all karts.
    3. Nose codes must be fitted to all karts.
    4. No bull bars – standard front bars only.
  5. Engines
    1. There are three engine classes – standard, 206 and modified.
    2. The “Engine Rules” document contains detailed information on each engine class andallowable engines. This document is available from the HDKC committee
  6. Transmissions
    1. Rear wheel drive only. No front wheel drive allowed.
    2. Centrifugal clutch and chain drive only on the rear of the kart.
    3. Metal chain guard must be fitted. This must cover the clutch through shaft height (min70mm) and continue to the rear of the kart


  1. Full circle or butterfly steering wheels only. No open ends on the steering wheel allowed.
  2. Collar or hose clamp is to be fitted to the steering shaft below the top bush on the shaft.

Number Plates

  1. All karts must have number plates on both the front and rear of the kart. Number plates that form part of the Nassau panel are acceptable.
  2. Minimum area for the number plate is 380cm square.
  3. Minimum number height is 12cm.
  4. Black numbers on yellow or white background.


  1. Std Classes: Unleaded fuel only – up to 98 octane from regular service station.
  2. No additives allowed in fuel
  3. Modified Classes: Fuel up to 105 Octane Pump or Avgas(No Methanol Allowed)- .

Fuel Tanks

  1. Fuel tanks must be fitted with an off tap.
  2. Metal tanks and approved plastic tanks only.
  3. Pulse type fuel pumps are permitted.
  4. Suitable cover plates must be fitted when the original tank is removed from the motor.

Ignition Switch

  1. Each kart must have a good quality toggle switch installed on the steering wheel in easy view and the switch must be accessible via thumb and fingers. No obstructions should be placed around the switch.
  2. No push/pull or button switches allowed on the steering wheel.
  3. Secondary switches are allowed elsewhere on the kart (eg: default kill switch for LO 206motors may be kept). There is no restriction on the type of switch that can be used.


  1. Any efficient braking system that allows gradual control of braking and will also lock the rear wheels while in motion. Brakes as designed and fitted to that model of kart are preferred.
  2. No front brakes allowed.

General Kart Condition

1. Karts should be brightly coloured and must be clean and tidy.


  1. Suitable colourful protective clothing from neck to wrist and ankles is required.
  2. Socks and enclosed footwear. Eg: Sand shoes or work boots.
  3. Hand gloves are compulsory.
  4. Neck braces are compulsory.
  5. Overalls or race suits are suitable clothing.
  6. Long hair to be kept tied back or kept in place with hair nets and kept under helmet. Hairmust not be loose.
  7. Drivers and crew are to be neat and tidy at all times.
  8. Enclosed footwear must be worn in pits and other designated areas.
  9. No motocross nylons or racing silks allowed.


  1. Must meet AS1609 requirements with approved goggles or visor.
  2. Helmets must be on and straps done up at all times when driver is in kart.
  3. Goggles must be on or visor down while driver is on the track.
  4. Helmets will be checked by visual assessment – not date codes.

Pit Crew

  1. To be suitably dressed – preferably in overalls and protective clothing.
  2. Enclosed protective footwear must be worn.

Section 4

  1. Racing
    1. There is a maximum of 20 karts in any race.
    2. There will be a maximum of four races for each class per meeting.
  2. Points
    1. No Points are awarded
  3. Types of Racing
    1. Rolling starts.
    2. For rolling starts, the pole position driver is responsible for the speed of the start.
  4. Officials
    1. Officials of the race track shall consist of:
      1. President
      2. Vice President
      3. Secretary
      4. Treasurer
      5. Clerks of the course
      6. Flag Marshalls
      7. Scrutineers
    2. Officials may be replaced whilst they are competing in events.
    3. There is a zero tolerance policy for abuse directed at an official. Any abuse of an official willresult in a penalty.

F. Protests

  1. Any protests arising shall be determined and settled by the stewards of the meeting before the commencement of the next event.
  2. Penalties may range from disqualification for one or more events through to license/membership suspension or cancellation.

G. Behaviour

  1. The Club does not tolerate negative opinions on social media sites. This type of behaviour can result in being banned from the club.
  2. There is a zero tolerance policy for abuse directed at an official. Any verbal abuse of officials, marshals, clerks of the course and other members won’t be tolerated.
  3. Members are not to approach another competitor, especially any junior driver. Junior drivers are not to be approached by officials unless the junior driver is accompanied by a specified guardian.

H. Engine Inspection

  1. Any competitor may be subjected to an engine inspection at any time.
  2. Any competitor who refuses to have their engine inspected shall be deemed to be in breachof the rules/modifications allowed and automatic disqualification shall apply.
  3. The officials of the meeting shall conduct the inspection.
  4. The competitor (or their guardian) will be allowed to be present at such an inspection.
  5. Should the competitor be found to have breached the rules/modifications allowed, an automatic disqualification of points will be enforced.
  6. If the engine is found to meet the rules/modifications allowed, no penalty shall be applied. As well, a fee shall be forwarded immediately to the competitor by the club, in order to cover the cost of reassembling the engine.

J. Programme Alterations

1. The club reserves the right to alter any part of the programme without notice.

K. Specifications, Rules etc.

  1. All competitors are required to have sound knowledge of specifications, rules and conditions.
  2. All competitors are required to have sound knowledge of all flags.
  3. It is the responsibility of the guardian to ensure all junior competitors (Junior, Midget andRookie classes) fully understand the rules and flags before allowing the competitor onto the track.

Race Entry Form

  1. All competitors (drivers and additional drivers) must complete the race entry forms before entering the race track.
  2. All junior competitors (Junior, Midget and Rookie classes) must be signed in by their guardian.


  1. Karts can be driven back to their pits at a slow speed.
  2. Engines must not be started prior to scrutineering, or during lunch break or other times nominated by the officials.
  3. There is to be no smoking in the pit area.

Control of Race Meetings

1. The control of the race meeting shall be conducted by the Clerks’ of the Course and the Stewards of the Meeting.

O. Changes of Karts and Parts

  1. Competitors may change karts whilst in the progress of the meeting or competition but will start from back of next race..
  2. Engines and other parts may be changed to an existing chassis at any time.
  3. All changes to the kart or the parts on the kart must conform to the class the competitor is racing in.
  4. All changes to the kart of the parts on the kart must be inspected and passed by the scrutineers.


P. Alcohol

  1. No illegal substance are permitted anywhere on the race track grounds. Persons or crew suspected of consuming illegal substances will be requested to leave the race track grounds will all their equipment. The officials may place a ban on the competitor for future events.
  2. No alcohol is to be consumed by any competitor or crew member until completion of their nominated events.
  3. If an competitor is suspected of being under the influence of alcohol and/or a drug, they will be banned from competing for that race meeting.

R. Children in Pits

  1. Children are permitted in the pit area providing they are under strict control and supervision.
  2. Unruly children and/or those creating a nuisance will be asked to leave the pit area with their guardian(s).
  3. Children not having a guardian(s) in attendance will not be permitted in the pits.

S. Supplementary Rules and Regulations

1. The race officials reserve the right to apply supplementary rules and regulations for specific race days.

Flag Marshalling

  1. It is the responsibility of all club members to assist with flag marshalling.
  2. It is preferable to have two (2) people per flag point.
  3. There must be at least one adult on each flag point. Junior club members are encouraged tojoin an adult at a flag point.

Section 6

A. Race Rules

  1. Should a false start occur as determined by the starter, the starter will signal an official placed some distance from the start line who will in turn raise the false flag (yellow and red flag together) Drivers will circumnavigate the circuit returning to the start for a restart of the event. Drivers who are twice judged to have jumped the start will be placed at the rear of the grid for that race.
  2. Races will only be stopped in extreme circumstances (track blocked or kart overturned)
  3. No re-run of events under any circumstances will occur.
  4. Competitors having mechanical trouble on the circuit and the kart is not drivable, must takethe kart to the infield at the point of stopping and wait until the event is over before attempting to return to the pits. Pit crew are not to leave the pits to assist the stopped kart until after the event.
  5. The format of any race day will run to the club’s discretion
  6. All drivers must be signed in and karts scrutineered by 9am. If not, the driver(s) will startfrom the rear in each race event.
  7. Any kart involved in an incident deemed severe enough by the clerks of the course must be scrutineered/safety checked before being allowed to continue racing that day.
  8. Drivers involved in an incident deemed severed enough by the clerks of the course must begiven clearance by the first aid officers before racing again.
  9. No driver is to confront another driver. All issues must be handled by a clerk of the course.
  10. To be declared a race finisher, 75% of the race distance must be completed and kart mustcross the line under its own power. No pushing or wheeling of the kart is allowed.
  11. In the event of an accident, track access will be limited to immediate family, first aid officersand race officials.
  12. In the event of a red flag incident competitors are required to stay with their karts untilinstructed by race officials.
  13. Should the mechanical defect flag (Black with yellow diagonal stripe) be shown to acompetitor, that competitor may enter the pits to rectify the problem. The competitor will then be able to re-join the event. No repairs are to be made on the track or starting grid.


Junior – Std

Ladies – Std

Senior – Std

Senior – Modified


Junior – Std

Briggs -6HP Vanguard

Briggs -6.5HP Intec

Briggs -LO-306

Honda 5.5 or 6.5 HP

Yamaha 200cc

Senior and Ladies Std

Briggs -6HP Vanguard

Briggs -6.5HP Intec

Briggs -LO-306

Honda 5.5 or 6.5 HP

Yamaha 200cc


Briggs -6HP Vanguard

Briggs -6.5HP Intec or Animal

Briggs 6.5HP World Formula

Honda 5.5 or 6.5 HP

Yamaha 200cc

Above modified engines can increase cc’s to 220cc

Bike engines with gearbox maximum 250cc

2 Stroke engines max 125cc


All engines must be 4 stroke air cooled

Rope pull starts only – no electric starters

All parts must be from model or type of engine

All parts must be standard, not performance aftermarket

No lightening, blue painting, nitrating or balancing


Head – Max 20 thou off for repairs – no porting

Exhaust – Replace with approved equivalent

Exhaust – Must meet club emissions 95 Decibels

Carburettor – Main jet may be changed and relocated

Adjustable jet is allowed but not to be adjusted while kart is in motion

Crank – Disc oil pump can be fitted, no balancing

Piston and Block – Maximum 20 thou rebore for repairs must use standard parts

Ignition – Timing may be adjusted, not cam timing

Governor and oil alert – May be removed

Valves – springs may be changed to prevent valve bounce

Valves – Retainers may be changed for motors without collets

Air filter – May be changed with suitable equivalent


No limits on engine parts

May use electric starters

No fuel injection, turbos or supercharging

No methanol or alcohol

Batteries must be dry cell and located in protected area

Exhaust must meet 95 decibels