Not legal 3 classes
Explicitly prohibited by this class document.
- Fixed Steering Ski Stock · FSSK
- Four Stroke Ski Lites · FSKL
- Ski Lites · SKL
IJSBA · Hull and handling
Aftermarket hood / engine cover
IJSBA answers this part for 20 of its classes. 10 of those answers are permissions, with or without limits attached, and 10 are not. 1 are inferred from how the class is written rather than quoted from a rule naming this 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
Only ventilation tube changes. Enlarging inlet or outlet openings is prohibited. · SSK.2.12
Not legal 1 class
No other modifications to the hood, covers and cowlings included. · RAL.2.14
Not legal 1 class
RSS.2.14
- Runabout Superstock · RSS
OEM part required 1 class
Engine compartment ventilation tubes must remain as originally equipped.
- Runabout Rec Lites · RRL
OEM part required 1 class
This class requires the OEM part.
OEM part required 1 class
RAS.2.13
- Runabout Stock · RAS
Not permitted, not listed in the rules 1 class
Aftermarket hoods are NOT listed as permitted. Under VSKL.2.2 and the closed-list rule the hood should be treated as OEM-required. This is a direct contrast with the other three Vintage classes.
- Vintage Ski Limited · VSKL
Legal, within limits 1 class
Ventilation tubes may be modified, relocated or removed. Polaris Hurricane hood/mirror cowling may be replaced provided it creates no additional airflow. NO OTHER hood modifications permitted.
- Sport Spec · none - this document uses ALL-CAPS section headings, not numbered rules
Legal 1 class
Aftermarket hoods allowed. · SKM.2.3
Legal 1 class
Hood modified or aftermarket. · SKSS.2.9
Legal 1 class
VSC.2.3
- Vintage SC · VSC
Legal 1 class
VX2.2.3
- Vintage X2 · VX2
Legal 1 class
VSK.2.3
- Vintage Ski · VSK
Legal 1 class
Explicitly permitted by this class document.
- Freestyle · FREST
Legal 1 class
Though the rule text confusingly references the Ski Modified class.
- Ski Grand Prix · SKGP
Legal 1 class
SPGP.3.16
- Sport GP · SPGP
Legal 1 class
Hoods, hatches, covers and cowlings modified or aftermarket, OEM appearance maintained. · ROP.3
Aftermarket hood / engine cover: 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 10 of 20