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Solas · Pump & impeller

Solas impeller, Yamaha SuperJet 701

Pump impeller for the 701 round-nose SuperJet. Pitch options and part numbers are not listed yet.

Price on request Stock not tracked

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Small parts, flat rate quoted when you enquire, ships worldwide from the US

Once orders open: returns within 30 days, no salt damage.

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Fits
Yamaha SuperJet (2-stroke) 1996–2007
Class legality
IHRA Ski GP3: legal with conditions · IHRA Ski Lites: legal with conditions · IJSBA Ski Lites: legal with conditions

Specification

Part number
SOL-SJ701
Condition
New aftermarket
Supply
Still in production

Filled: the years this part is listed to fit, 1996 to 2007, out of every Yamaha SuperJet 701 year the archive records. For a hollow year, ask before you buy.

How we know: the part's fitment record, and the archive's SuperJet 701 model rows, 1994 to 2009; square nose and round nose are owners’ names, not Yamaha’s.

A jet pump in side section, from the intake grate to the jet the craft moves forward engine drive shaft hull bottom intake grate water in ride plate pump housing pump stator wear ring steering nozzle pivot impeller tip gap nozzle narrows jet thrown back this part

Drawn heavier and labelled "this part": the impeller. This is where this kind of part sits on a jet pump, drawn fresh from patents rather than from any one maker's pump.

How we know: US patents 8,905,800 (lines 64 to 70 of the held copy), 5,833,501 (lines 67, 91, 93 and 94), 5,520,558 (line 48), 6,705,908 (lines 36, 39 and 89), 6,857,919 (line 194) and 6,523,489 (lines 185 to 187).

Not to scale.

Fitment

Engine families: Yamaha 701. This is information about the engine, not a fitment claim. An engine match does not mean the part goes into your ski.

Class legality

Legal, with conditions Ski GP3 (archive) · IHRA · 2026 rulebook · J.18.2

J.18.2 allows an aftermarket impeller but ties the original-diameter requirement to "Stock class", and IHRA uses that phrase for its drag racing classes rather than for any Ski class. Whether it reaches Ski GP3 is therefore genuinely unclear. Assume the diameter must be kept, get the answer from the event's technical inspector before you commit money to it, and note that GP3 separately permits the SuperJet nozzle to be modified for angle adjustment under M.6.2.1.3.

Checked against the rulebook on 2026-09-07, version V.20260603 · Read the rulebook

Legal, with conditions Ski Lites (archive) · IHRA · 2026 rulebook · J.18.2

J.18.2 permits impellers to be modified or replaced with aftermarket parts, "though the original diameter must be maintained in Stock class". IHRA has no class actually named Stock, so whether that diameter restriction binds Ski Lites is not stated. Treat it as binding and confirm the diameter of the specific impeller with the event's technical inspector, because under A.2.2 the absence of a permitting rule does not imply permission.

Checked against the rulebook on 2026-09-07, version V.20260603 · Read the rulebook

Legal, with conditions Ski Lites (archive) · IJSBA · 2024 rulebook · SKL.6.1

SKL.6.1 permits a modified or aftermarket impeller provided the original diameter is maintained. The condition is on the part you actually fit, so confirm the diameter of the specific impeller against the pump it goes into. The same rule allows replacement wear rings within OEM internal diameter specifications and requires the visibility spout to be removed or plugged.

Checked against the rulebook on 2026-09-07 · Read the rulebook

Ask about this part

Tell us your ski. We answer cost, fit and class legality, or say we do not know.

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Asking about: Solas impeller, Yamaha SuperJet 701 (SOL-SJ701). We reply by email.

SOL-SJ701 · Solas

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