Not permitted, not listed in the rules 1 class
Not listed in this class document, so illegal under the closed-list rule (FSSK.1.1); FSSK.6.2 also bars internal modification of the reduction nozzle.
- Fixed Steering Ski Stock · FSSK
IJSBA · Driveline
Aftermarket pump nozzle, venturi, directional nozzle
Global cap: the complete pump and nozzle assembly may not exceed 50.00mm (1.97 in) longer than OEM.
Where it stands, class by class
20 classes, grouped by the answer rather than listed one by one, because an answer that holds for a class usually holds for every class that borrows its rules.
Not permitted, not listed in the rules Our reading, not a rule we can quote at you. This class requires the craft to stay stock except where the rules allow otherwise, and this part is not on the list.
Not permitted, not listed in the rules 1 class
Not listed in this class document, so illegal under the closed-list rule (RRL.1.1); RRL.6.2 also bars internal modification of the reduction nozzle.
- Runabout Rec Lites · RRL
Not permitted, not listed in the rules 1 class
Not listed in this class document, so illegal under the closed-list rule (SSK.1.1); SSK.6.2 also bars internal modification of the reduction nozzle.
- Ski Stock · SSK
Not permitted, not listed in the rules 1 class
Not listed in this class document, so illegal under the closed-list rule (FSKL.1.1); FSKL.6.2 also bars internal modification of the reduction nozzle.
- Four Stroke Ski Lites · FSKL
Not permitted, not listed in the rules 1 class
Not listed in this class document, so illegal under the closed-list rule (RAS.1.1); RAS.10.2 also bars internal modification of the reduction nozzle.
- Runabout Stock · RAS
Not permitted, not listed in the rules 1 class
Not listed in this class document, so illegal under the closed-list rule (SKL.1.1); SKL.8.2 also bars internal modification of the reduction nozzle.
- Ski Lites · SKL
Legal, within limits 7 classes
Permitted subject to the universal limits in ijsba-globals.yaml constants.
- Runabout Limited · RAL
- Vintage SC · VSC
- Runabout Superstock · RSS
- Freestyle · FREST
- Ski Grand Prix · SKGP
- Sport GP · SPGP
- Runabout Open / GP · ROP
Legal, within limits 1 class
Max 50.00mm over OEM. · VSKL.6.1
Legal, within limits 1 class
Two-stroke only.
Legal, within limits 1 class
No spacers or extended nozzles that push past 50.00mm.
- Sport Spec · none - this document uses ALL-CAPS section headings, not numbered rules
Legal, within limits 1 class
IJSBA-approved venturi and directional nozzle. · SKM.9.1
Legal, within limits 1 class
Max 50.00mm over OEM overall. · SKSS.6.1
Legal, within limits 1 class
Max 50.00mm over · OEM
Legal, within limits 1 class
VSK caps the assembly at 139.7mm (5.5 in) FROM THE TRANSOM rather than as a delta from OEM. Verify.
- Vintage Ski · VSK
Aftermarket pump nozzle, venturi, directional nozzle: if the rule your class applies reads differently to you, or the rulebook has changed since this was read, ask. We answer with the section we read it from, or that we have not read it. Ask a rules question.
Every IJSBA class · where the rulebooks differ · signed checks on parts the shop sells.
Driveline · two and four stroke · legal outright in 14 of 20