IJSBA · Fuel

Aftermarket reed petals

Petals and cages are governed separately. This distinction sells or kills a SKU.

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This is one body's answer, not the sport's. You are bound by whichever body sanctions the event you enter, and where both govern you, you are held to the stricter of the two. The differences are set out in the rulebook comparison.

Where it stands, class by class

12 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. Illegal under the closed-list principle.

• Runabout Stock · RAS

Legal 4 classes

Explicitly permitted by this class document.

• Vintage SC · VSC
• Vintage X2 · VX2
• Vintage Ski · VSK
• Ski Grand Prix · SKGP

Legal 1 class

VSKL.4.6

• Vintage Ski Limited · VSKL

Legal 1 class

Two-stroke reed valves aftermarket.

• Runabout Naturally Aspirated · RNA

Legal 1 class

Modified or aftermarket reed valve PETALS allowed. · SKL.4.3

• Ski Lites

Legal 1 class

Reed valve assemblies modified or aftermarket, reed spacers permitted.

• Sport Spec · none - this document uses ALL-CAPS section headings, not numbered rules

Legal 1 class

Two-stroke reed and rotary valves aftermarket.

• Runabout Limited · RAL

Legal 1 class

FREST.4.6

• Freestyle · FREST

Legal 1 class

SPGP.7.6

• Sport GP · SPGP

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Aftermarket reed petals: 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.