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Aftermarket pump/impeller housing, stator vane assembly, pump shoe

IJSBA · Driveline

Aftermarket pump/impeller housing, stator vane assembly, pump shoe

The clean line between a stock-class pump and a race pump.

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

No internal modification of driveline components including pump stator and reduction nozzle. · SSK.6.2

Not permitted, not listed in the rules 1 class

NOT listed as modifiable in VSKL. Under the closed-list rule these must remain OEM. Flagged as a commercially significant open question.

Legal, within limits 1 class

TWO-STROKE craft only. Four-stroke craft get impeller and wear ring only.

Legal, within limits 1 class

STATOR VANE ASSEMBLY MUST REMAIN OEM STOCK. Pump mounting plate and shoe may be aftermarket. Sea-Doo HX may use the OEM plastic pump housing if it retains the small-diameter hub and vane count.

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

Legal, within limits 1 class

Must be from an IJSBA-APPROVED aftermarket manufacturer. · SKM.9.1

Legal 1 class

SPGP.10.1

Aftermarket pump/impeller housing, stator vane assembly, pump shoe: 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 13 of 20

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BaddJet Class Legality