Not legal 4 classes
Explicitly prohibited by this class document.
- Ski Lites · SKL
- Sport Spec · none - this document uses ALL-CAPS section headings, not numbered rules
- Vintage SC · VSC
- Vintage X2 · VX2
IJSBA · Hull and handling
Rider-controlled or automatic trim tab system
The narrowest legality of any handling part.
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 legal 1 class
Manual or automatic trim tabs attached to the hull or ride plate are prohibited. · SKM.2.7
Not legal 1 class
RAL.2.6
- Runabout Limited · RAL
Not legal 1 class
RSS.2.6
- Runabout Superstock · RSS
Not legal 1 class
VSK.2.7
- Vintage Ski · VSK
Not permitted, not listed in the rules 8 classes
Not listed in this class document. Illegal under the closed-list principle.
- Fixed Steering Ski Stock · FSSK
- Runabout Rec Lites · RRL
- Ski Stock · SSK
- Vintage Ski Limited · VSKL
- Four Stroke Ski Lites · FSKL
- Runabout Naturally Aspirated · RNA
- Runabout Stock · RAS
- Ski Superstock · SKSS
Legal 1 class
FREST.2.7
- Freestyle · FREST
Legal 1 class
Fixed, automatic OR rider-controlled all permitted. · SKGP.2.7
Legal 1 class
SPGP.3.6
- Sport GP · SPGP
Legal 1 class
The Limited/Superstock ban is lifted here. · ROP.3.6
Rider-controlled or automatic trim tab system: 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.
Hull and handling · two and four stroke · legal outright in 4 of 20