Junior Pro Kart Class  

Competitors should work on the basis that if any process is not clearly stated as being permissible, then they should accept that it is illegal and seek clarification from the Scrutineer.

Karts must comply with these technical regulations at all times during official practice and racing. It is the competitors’ responsibility to ensure that their kart complies.

Technical checks may be carried out before, during and after qualifying and racing. The scrutineers are empowered to undertake any form of verification they deem necessary.


Competitor Eligibility

12- 16 years old

Competitors should be considered eligible in the year of their 12th birthday, or if they are currently 40kg or above in weight excluding ballast or helmet and over 149cm in height

Drivers who wish to enter the Junior Pro Kart class based on height and weight rather than age should be able to demonstrate driving skills and minimum lap times to prove they are competent.

Competency should be assessed by a senior official at a practice session.

Drivers will cease to be eligible for Junior Pro Karts at the end of the season in the year they turn 16 years old

Competitors must be accompanied by and signed on by a parent or guardian that is over 18 years old at each practice and race meeting

Kart Eligibility

Chassis Twin Pro Kart minimum 1040 to maximum 1080mm length chassis

Chassis must be from a recognised kart manufacturer

The chassis should be in good condition with no cracks etc.

The chassis must be of a one-piece construction

Only one chassis is permitted per round, unless agreed by the officials that a chassis is too damaged to continue to be safe.



2 x RPM Pro Extreme 200 sealed engines with 4 seals in place

DEP exhaust fitted

15mm restrictor plate in the carburettor

All engine numbers should be registered with the race organisers

Any engine changes during a meeting should be by prior agreement with a race official with designated responsibility at that race meeting. In the event of the competitor’s engines being sent for scrutineering at the end of the meeting the original engine and the two engines on the kart will be sent away as well.


Rear axle

30mm hollow or solid metal

Circlip must be in place at both end of axle to prevent hub loss

219 drive chain only

Chain guard should be in place at all times A plastic strip or the full cover


Gearing is open

Sprocket guards must be fitted and made from plastic only



Fitted to the rear axle only


Metal brake disc only

Drilled or vented disc allowed

Brake safety wire must be fitted in case of failure

A calliper with the maximum of four pistons may be fitted with two per side of the disc


mono aluminium or MAG wheels

Front wheels must have a maximum width of 132mm
Rear slick rims must be a minimum 200mm and a maximum 214mm Rear wet rims must be a minimum 120 and a maximum 150mm


– All tyres must be NFA marked

Bridgestone YDS for dry conditions Bridgestone YFD for wet conditions

Tyres must NOT be cut

Tyres must NOT be altered in anyway

Tyres must NOT have any chemical/s applied to soften or modify the tyre in any way

Tyre warmers or any device or equipment that delivers heat in to the tyres may NOT be used.

A set of pool tyres will be available at the discretion of the officials if wrong doing or tampering is thought to have occurred.

Steering column must have a collar fitted to secure it to the kart if the bottom bolt fails


The seat must be correctly fitted to the kart using the original seat stays ii. The seat must not show damage or fatigue due the placement of ballast attached to the seat.

Throttle return springs must be fitted to both the carburettor and pedal.


Body work

Side pods must be fitted to the kart and should not exceed the width of the rear tyres
Should be securely attached to the chassis

Nassau panels only NO BIGFOOTS

Rear Bumper should be CIK Plastic or metal

The rear bumper must be secured to the kart at two points

The rear bumper must cover 50% of each of the back tyres as a minimum
 All bodywork should be securely attached to the kart at all times, the use of r-clips and circlips where indicated is a must and a scrutineering failure if they are not in place.


Front and rear numbers are required

All numbers should be clearly printed with Neon Orange background and a Black number

Displayed in a panel clear of other graphics

No italic or fancy fonts are allowed

The 200 extreme engine is regulated by RPM, your engine should have been sealed by them.

Implementation of these rules will be at the discretion of the COC on the day at each circuit, rights to appeal will be by the rules and regulations governing event.


The driver and kart together with any ballast required must weigh 165kg at all times

A maximum of 30 kilograms of lead ballast maybe added to the kart to achieve this weight.

All ballast should be safely and secure fitted the body of the kart or the seat.

Weight post will only be allowed to carry a maximum of 7.5kg of lead ballast.

Individual pieces or blocks of ballast should weigh no more than 5kg.

The use of lead seat inserts or lose lead that the driver sits on will ace meeting