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Aftermarket or lightened flywheel

IJSBA · Ignition

Aftermarket or lightened flywheel

IJSBA answers this part for 20 of its classes. 8 of those answers are permissions, with or without limits attached, and 12 are not. 8 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.

OEM part required 1 class

Flywheels must be OEM stock and unmodified as supplied from the factory. Sea-Doo HX must use the OEM unmodified 720 flywheel.

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

The rules do not say 1 class

Not confirmed either way in · SSK.5.

Legal, within limits 2 classes

Flywheel cover may be modified to accept a crankshaft-end bearing support.

Legal, within limits 1 class

Permitted subject to the universal limits in ijsba-globals.yaml constants.

Legal, within limits 1 class

Flywheel COVER modified or aftermarket. · VSK.5

Legal 1 class

Flywheel and flywheel cover modified or aftermarket. · SKGP.5.1

Legal 1 class

SPGP.8.1

Aftermarket or lightened flywheel: 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.

Ignition · two and four stroke · legal outright in 8 of 20

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