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Technical Enquiries

Have a technical question about your bike and its class: Contact

  • For Pre 1986 bikes contact Chris Newman 0210346768

  • For 1986 through to 1999 Bikes contact Rodney Tomblin at parts@hukahonda.co.nz or 0272481861

*NEW* MUDBUG Class

  • 125cc 2 stroke, No carriers /hand guards No side stands Must have THREE easily read number boards,front & both sides, (try white 2l ice cream container lids and zip ties).  Twin shock or cantilever suspension, drum brakes and air cooled only. This is a trial run class and designed as a fun entry-level to VMX, Will run with Pre 75 class
     

Over 60s 

  • Open to any competitor over the age of 60 yrs, any machine from the classes below eligible.
     

Women’s Classes

  • Open to any female competitor within the age / ability limits of current VMX rules.

  • Any machine from the classes below is eligible.

Pre 70 

  • All bikes pre 1970.

Classic (Circa 74) - Small Bore, Mid Bore, Big Bore

  • 1970 - pre 1975.
  • Max 4” rear suspension travel, max 7” Front suspension travel.
  • Twin shock or cantilever suspension, drum brakes and air cooled only.
     

Pre 78 - Small Bore, Mid Bore, Big Bore

  • 1975 – pre 1978.
  • Max 9" rear and front suspension travel.
  • Bikes must look like they were available no later than 1978.
  • Twin shock or Cantilever suspension, drum brakes and air cooled.
  • If water cooled - the system must be period e.g. Fox and Shiobi water cooled heads.
     

Evo (Circa 1981) -  Small Bore, Mid Bore, Big Bore

  • 1978 – 1981.

  • Twin shock or Cantilever suspension (no linkage suspension) drum brakes only.

  • Water cooling must be period correct.

Linkage Pre 1986 - Small Bore, Mid Bore, Big Bore

  • 1982 – 1985. Bikes are first generation of linkage suspension bikes up to and including 1985 models.

  • No rear disc brakes.

  • Upside down forks restricted to period White power and Simons only.

Pre 1991 - Small Bore, Mid Bore, Big Bore

  • 1986 – 1990. Second generation linkage bikes up to and including 1990 models.

Up to 1999 - Small Bore, Mid Bore, Big Bore

  • 1991 – 1999
     

Enduro Classes

  • Any model of factory designated Trail or Enduro bike open capacity (no converted MX bikes)
  • Class 1 - All in Pre 86
  • Class 2 - All in 1986 - up to 99
     

4 Stroke - Under/Over

  • Any bike powered by a 4 stroke motor.
  • Class 1 - All in Over Pre 86
  • Class 2 - All in Over 1986 - Up to 99
  • Class 3 - Up to 99 Under (Subject to participation)
     

Components

  • All components fitted to the bike other than consumable parts such as tyres, brakes shoes, pads etc must be era correct.
     

Follow on Models

  • All classes run by year can run follow on models or equivalent subject to bikes looking like they were available in the era and meet all other technical specifications appropriate to the era in which they are racing.
  • Period works bikes or legends bikes will be reviewed by committee on a case by case basis.  These bikes MUST BE approved by the committee PRIOR TO entering any of our events - so DON'T buy it then come and ask!!
     

Riding in other Classes

  • Riders may ‘ride up’ one era/generation in their correct capacity as a means of entering additional races. Example - A Pre 74 open bike may be entered into the Pre 74 and Pre 78 Open Classes. However it is not eligible to be ridden in the Pre 86 open Class.

  • Riders may not ride down an era/generation class.

  • Bikes are only eligible for the capacity class for which they qualify. That is Small Bore bikes may only be ridden in Small Bore classes. Mid Bore Bikes may only be ridden in Mid Bore classes etc

Capacities

  • Small Bore (185cc 2T, 0 - 250cc 4T) - No Big Bore/Stroked 4T greater than 250cc

  • Mid Bore (186cc -250cc 2T, 251- 400cc 4T) - No Big Bore/Stroked 4T greater than 400cc

  • Big Bore (251 + 2T, 401cc + 4T)

  • 4 T Under (0 - 200cc)***

  • 4 T Over (201cc +)***

    *** as per AGM May 2024 (changes will be in place for the 2024/25 season}

    CLASSES

to qualify 4T bikes - YZ400F = big bore bike - open class

XR400 = big bore class in  4T & Enduro

Up to 400cc Air cooled = mid bore classes

Water cooled 400 - big bore classes

Up to 400cc air cooled - mid bore

 

 

Technical Enquiries

Have a technical question about your bike and its class: Contact