Proposed 2026/2027 Competition Classes and Rule Amendments
The following competition classes and rule amendments are proposed for the NZJSBA 2026/2027 racing season. These proposals remain subject to confirmation.
Proposed Ski Classes
- Ski
- Women’s Ski — 2-Stroke Lites
- Junior 10–12 — 2-Stroke Lites
- Junior 13–15 — 2-Stroke Lites
- Amateur Lites — 2-Stroke Lites
- 4-Stroke Lites / 1500 Stock, including Amateur
- Expert Elite Ski — 2-Stroke Lites
- Ski GP
Proposed SXR1500 Rule Amendments
Amendments are proposed in relation to the following components:
- Fuel pump
- Idle Air Control Valve (IACV)
- Cam chain tensioner
These amendments are intended to improve reliability while maintaining the integrity of the class. They are not intended to provide a significant performance advantage.
Proposed Runabout Classes
- Recreational Lites
- Naturally Aspirated (N/A) Open
- Stock — NZJSBA 2025/2026 Rules
- Stock Limited
- Runabout GP
- Veterans / Masters — 40 years and over, with separate recognition for the first finisher aged 50 years or over
Recreational Lites
It is proposed that Recreational Lites eligibility be extended to include all model years and variants of the Yamaha EX, EXR and Jet Blaster.
Stock Limited
The proposed Stock Limited class would follow the current NZJSBA Stock rules, with the following additional modifications permitted:
- Stage 1 ECU remap.
- Removal of the factory speed limiter.
- Ability to start the craft in Sport Mode.
- Modification of the air intake to the supercharger or throttle body, provided a flame arrestor or air filter is retained.
- Installation of a catch can.
- Addition of a manifold clamp.
- Removal of the exhaust resonator.
Proposed Novice Requirements
Novice riders would be permitted to compete on any ski that complies with NZJSBA Stock class specifications or below. Modifications beyond Stock specifications would not be permitted.
Before competing at a national event, novice riders would be required to:
- Have competed at a minimum of three club race days.
- Obtain an endorsement from their affiliated club confirming that they are competent and ready to compete at national level.
Proposed Licensing and Medical Requirements
Open Licence
Riders competing in Naturally Aspirated (N/A) Open, Stock Limited, Veterans / Masters or GP classes would be required to hold an Open Licence, subject to annual review.
Medical Self-Declaration
All competitors would be required to complete a medical self-declaration as part of their licence application.
Where a declaration raises concerns about a rider’s fitness to compete, the rider would be required to obtain a medical certificate from their doctor confirming that they are medically fit to race.