Race Class Regulations

Race Class Regulations

These Race Class Regulations describe in detail what machines can be entered in the VMCC TSS Motorcycles Road Race Series.

They should be read in conjunction with the Supplementary Regulations under which the race series will be run, and the Motorcycling New Zealand inc. Manual of Motorcycle Sport (road).

Class Structure

We run four main ‘Trophy Championship’ groups, each containing a number of ‘Championship Cup’ classes that riders enter:

Senior Trophy Championship

        • Formula 1 Cup
        • Formula 1 BEARS Cup
        • Formula 2 Cup
        • Formula 2 BEARS Cup

Intermediate Trophy Championship

        • Formula 3 Cup
        • 650cc Pro Twins Cup
        • Super Twin Cup
        • Post Classic Pre ’89 F3 Cup
        • Post Classic Pre ’95 F3 Cup

Post Classic Trophy Championship

        • Senior Post Classic Pre ’89 Cup
        • Senior Post Classic Pre ’95 Cup
        • Junior Post Classic Pre ’89 Cup
        • Junior Post Classic Pre ’95 Cup

Junior Trophy Championship

        • Junior Supersport Cup
        • Supersport 150 Cup
        • Clubmans Junior Cup

Championship Cup classes race on-track at the same time, in their Trophy Championship group.

Trophy Championship groups race in turn, one after another, throughout the day.

Riders win points according to their overall finishing position in their ‘Trophy Championship’ group, as well as their finishing position(s) in each ‘Championship Cup’ they enter.

Class Details

Senior Trophy Championship

Sponsored by Ozzy Performance

The Senior Trophy Championship exists for larger capacity ‘formula’ type machines manufactured after 1995. The championship Cups and associated race Classes included allow modifications to be carried out while still keeping a similar level of performance between machines.

Formula 1 Cup

Sponsored by RS Motorcycles

            1. Machines manufactured after 1995.
            2. Capacity Groups
              1. 601 – 1300cc maximum displacement, 4- 8 cylinders, 4-stroke.
              2. 680 – 1300 maximum displacement 3 cylinders 4-stroke.
              3. 751cc to open twin cylinder four stroke.
              4. 401 –  500cc maximum displacement, 4 cylinders, 2-stroke.
              5. 401 – 760cc maximum displacement 2 – 3 cylinders 2-stroke.
            3. Engine Specifications
              1. Any aftermarket or race piston and ring set may be fitted provided the cylinder remains within the capacity limit.
              2. The original carburettor/fuel injection may be replaced by any brand or type.
              3. No turbocharging.
              4. No supercharging.
              5. No nitrous or other performance enhancing add ons of this type.
              6. No oval piston engines.
            4. Preparation of Motorcycle
              1. All motorcycles are to be prepared in accordance with Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 10.
              2. Machines with re-bored cylinders must remain within the appropriate capacity limit.
              3. Machines must be fitted with clip-on or road style handlebars. No MX, Motard, Enduro or trail/dual purpose style of handle bars will be allowed.
            5. Modifications permitted
              1. Provided all the previous requirements are met all other items are unrestricted.

Formula 1 BEARS Cup

Sponsored by Twin Cam Motorcycles

            1. As per Formula 1 Cup above.
            2. Machines manufactured after 1995 in the UK, Europe or the Americas.

Formula 2 Cup

Sponsored by Kiwibike Insurance

            1. Machines manufactured after 1995.
            2. Capacity Groups
              1. 451 – 675cc 4 stroke 3 cylinders.
              2. 401 – 600cc 4 stroke 4 cylinders.
              3. 651 – 750cc 4 stroke 1 – 2 cylinders.
              4. 401 – 490cc production based 2 stroke.
              5. 261 – 351cc competition based 2 stroke.
            3. Engine Specifications
              1. Any aftermarket or race piston and ring set may be fitted provided the cylinder remains within the capacity limit.
              2. The original carburettor/fuel injection may be replaced by any brand or type.
              3. No turbocharging.
              4. No supercharging.
              5. No nitrous or other performance enhancing add ons of this type.
              6. No oval piston engines.
            4. Preparation of Motorcycle
              1. All motorcycles are to be prepared in accordance with Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 10.
              2. Machines with re-bored cylinders must remain within the appropriate capacity limit.
              3. Machines must be fitted with clip-on or road style handlebars. No MX, Motard, Enduro or trail/dual purpose style of handle bars will be allowed.
            5. Modifications permitted
              1. Provided all the previous requirements are met all other items are unrestricted.

Formula 2 BEARS Cup

Sponsored by Ivan Jones Engineering

            1. As per Formula 2 Cup above.
            2. Machines manufactured after 1995 in the UK, Europe or the Americas.

Intermediate Trophy Championship

Sponsored by Broadway Accounting Solutions

The Intermediate Trophy Championship exists for smaller capacity ‘formula’ type machines. The championship Cups and associated race Classes included allow modifications to be carried out while still keeping a similar level of performance between machines.

Formula 3 Cup

Sponsored by Redpath Shelters

              1. Superlite class, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Appendix B.
              2. 125GP & 250 Mono classes, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Appendix G.
              3. 650cc Pro Twins class, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Appendix E.
              4. Super Twin class, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Appendix N.
              5. Supersport 300 class, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Appendix I.
              6. Super Moto class prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 20
              7. Super Moto Open class prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 20

650cc Pro Twins Cup

Sponsored by Precise Print

            1. 650cc Pro Twins class, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Appendix E.

Super Twin Cup

Sponsored by Precise Print

            1. Super Twin class, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Appendix N.

Post Classic Pre ’89 F3 Cup

Sponsored by StudioCDesign

            1. Road Racing Post Classic Formula Three class machines made before 1990, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 17.

Post Classic Pre ’95 F3 Cup

Sponsored by StudioCDesign

            1. Road Racing Post Classic Formula Three class machines made before 1996, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 17.

Post Classic Trophy Championship

Sponsored by MotoTT

The Senior Post Classic Trophy Championship exists for larger capacity Road Racing Post Classic machines prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 17.

Senior Post Classic Pre ’89 Cup

Road Racing Post Classic machines 600cc and over, made before 1990, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 17.

Senior Post Classic Pre ’95 Cup

Road Racing Post Classic machines 600cc and over, made before 1996, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 17.

Junior Post Classic Pre ’89 Cup

Road Racing Post Classic machines under 600cc, made before 1990, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 17.

Junior Post Classic Pre ’95 Cup

Road Racing Post Classic machines under 600cc, made before 1996, prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 17.

Junior Trophy Championship

Sponsored by Kiwibike Insurance

Junior Supersport Cup

            1. VMCC Junior Supersport 300 class
              1. Supersport 300 class machines prepared as per Motorcycling New Zealand Inc. Manual of Motorcycle Sport Appendix I.
              2. Single cylinder four stroke engines from 260cc to 380cc.
              3. Twin cylinder four stroke engines from 260cc up to 400cc.
              4. Kawasaki Ninja 400 bikes:
                1. Must have MNZ supplied airbox intake snorkel restrictors fitted to both intake snorkels. The restrictors:
                  1. Must not be modified in any way.
                  2. Must have an internal diameter of 13.5mm.
                  3. Must be supplied by MNZ – no other restrictors are to be used.
                2. The Engine Control Module/Unit (ICM, ECU, ECM) and wiring loom must remain standard. Internal maps or limits must remain as supplied by the manufacturer.
              5. Competitors must be 15 years or older.
            2. VMCC Development class
              1. Up to 150cc 2 stroke; re-boring to maximum over size of 0.50mm is allowed.
              2. Up to 380cc single cylinder 4 stroke; re-boring to maximum over size of 0.50mm is allowed.
              3. Up to 325cc for 2 cylinder 4 stroke; re-boring to maximum over size of 0.50mm is allowed.
              4. All bikes must be street type road registrable mass production machines of any make sold or on sale in New Zealand, in standard specification.
              5. The motorcycles are not to be 125GP bikes.
              6. The minimum rider age limit for 2 stroke machines up to 150cc is 13 years, 15 years for all other bikes.

Supersport 150 Cup

            1. Supersport 150 class as per Motorcycling New Zealand Inc. Manual Sport Appendix J.
            2. GIXXER 150 class as per Motorcycling New Zealand Inc. Manual Sport Appendix K.

Clubmans Junior (non-Championship) Cup

A non-Championship class. Championship points are not awarded.  Rider positions and lap times are recorded for the VMCC Clubmans Junior class but are not included in the VMCC Junior Trophy class.

            1. VMCC Clubmans Junior class
              1. Up to 150cc 2 stroke.
              2. Up to 380cc single cylinder 4 stroke.
              3. Up to 325cc for 2 cylinder 4 stroke.
              4. 250cc 3 or 4 cylinder street type road registrable mass production machines of any make sold or on sale in New Zealand, in standard specification).
              5. The motorcycles are not to be 125GP bikes.
              6. The minimum rider age limit for 2 stroke machines up to 150cc is 13 years, 15 years for all other bikes.
              7. Preparation of Motorcycle for Clubmans Junior
                1. All items not mentioned in the following must remain as originally produced by the manufacturer.
                2. All motorcycles are to be prepared in accordance with Motorcycling New Zealand Inc. Manual of Motorcycle Sport Chapter 10.
                3. In instances of wear and tear damage or failure, parts may be replaced but must not derive a performance advantage.
                4. Fuel refer to rule 10.21 and appendix D.
                5. All motorcycles must display the manufacturer’s vehicle identification number on the frame. Additional seat brackets may be added but none may be removed. Bolt on accessories to the sub frame may be removed.
                6. Number boards will follow MNZ rules 10.2 and 10.3 with white background and black numbers.
              8. Modifications or Removal Allowed
                1. Footrests/foot controls must bolt on the frame in the original position and be same height and position as standard. Solid footrest are allowed.
                2. Handlebar height and angle of bars must remain standard.
                3. Hand controls: clutch and brake levers can be modified.
                4. Brake lines and brake pads can be modified.
                5. The speedo drive may be removed and replaced with a spacer.
                6. Fairing, front guard, windscreen and bodywork must retain the original shape as produced by the manufacturer, but these parts can be replaced with an exact cosmetic copy.
                7. Carbon fibre is restricted to the reinforcing parts only; carbon fibre cannot be used elsewhere. Small plastic cones/knobs may be added to the machine to minimise accident damage.
                8. All exposed edges must be rounded.
                9. Seat and seat base and associated bodywork may be replaced with parts of similar appearance as the original shape; the top portion of the seat may be modified to create a solo seat.
                10. Fuel lines may be replaced Quick connectors or dry break quick connectors may be used. Fuel line vents may be replaced. fuel filter may be fitted.
                11. Base and head gasket with standard parts, but must retain original thickness.
                12. Carburetor jetting / fuel injection tuning is allowed.
                13. External gearing and chains may be changed.
                14. Suspension springing and oil may be changed.
                15. Fasteners may be drilled for safety wire only. Fairing fasteners may be changed for quick disconnect type. Titanium/aluminium fasteners may not be used.
                16. All 4 stroke; standard headers aftermarket mufflers allowed.
                17. Rims may be changed, but must be production bike rims. No aftermarket or GP rims allowed.
                18. Motorcycle must be equipped with a functional ignition kill switch or button mounted on the handlebars that is capable of stopping a running engine.
                19. Where breather or overflow pipes are fitted they must discharge via existing outlets into a catch tank. The original closed system can be retained; no direct atmospheric emission is permitted.
                20. Instruments, horn, brackets and associated cables can be removed.
                21. Toolbox can be removed.
                22. Radiator fan and wiring can be removed.
                23. Rear guard / chain guard can be removed.
                24. Brake calipers must be lockwired.
                25. Lower chain guard or shark fin must be installed.
              9. The following items must be removed
                1. Passenger footrests / grab rails unbolted only.
                2. Number plate / number plate bracket.
                3. Safety bars, centre and side stands (fixed/welded brackets must remain).
                4. Headlamp, rear lamp, blinkers.
              10. Items not allowed
                1. The fitment of aftermarket traction control units.
                2. Rear shock and all linkages must remain standard modifications.
                3. Frame body and rear sub frame modifications.
                4. Emulator valves or modifications to damping mechanisms.
                5. The inner and outer front fork stanchion must remain standard.
              11. The choice of tyre is optional
                1. Must be commercially available in New Zealand.
                2. Be worn no more than the tread depth indicators.
                3. In the event of the meeting being declared wet, a treaded DOT tyre MUST be used.