Scott WaterJetScott Waterjet
  • Home
  • About Us
  • Products
    • WaterJets
    • Sprint Units
    • Trim Nozzles
    • 770 Series Impellers
  • Partners
  • Distributors
  • Contact Us
  • Get a Quote
  • Menu Menu
Home / WaterJets / 8.5” Two-Stage with Trim
8 1 Two Stage with Trim SWJ812 2

8.5” Two-Stage with Trim

The SWJ852x (8.5”) WaterJet Unit is a powerful two-stage model designed for medium-sized jet boats that demand a balance of strength, load-carrying ability, and precision control.

Boat size:4.5m (~12ft) to 6m (20ft) range that of medium weight\load carrying use.
Power range:350 to 850 Hp
Engine size:Gasoline 6000cc to 9000cc - Higher revving Diesels up to 3200cc
Suitable Engines:Suited to a wide range of V8’s and Boosted V6 engines
Examples: Indmar 2.3l Ecobost, 383 Chev, LS1 Chev, 351 Ford, LS2 Chev, LS3 Chev, CT525, LT1, 5.3DI, 6.2 DI, LSA Chev, Indmar Raptor 440, 460 & 575, Chev LS7
Diesels such as the Steyer MO256H45, and similar
ENQUIRE NOW
SKU: SWJ852x Category: WaterJets Brand: Scott WaterJet
Description

The SWJ852x (8.5”) WaterJet Unit is a powerful two-stage model designed for medium-sized jet boats that demand a balance of strength, load-carrying ability, and precision control. Drawing on Scott’s proven Jet Sprint racing technology, the SWJ852x delivers outstanding thrust and handling across a broad range of conditions while maintaining the reliability and performance excellence Scott WaterJets are known for.

Purpose-built for boats in the 4.5m (15ft) to 6m (20ft) range, the SWJ852x is engineered to harness the full potential of high-output engines, offering smooth, responsive performance for both recreational and commercial applications.

With a power range of 350 to 850hp and engine compatibility spanning 6000cc to 9000cc gasoline engines – or higher-revving diesels up to 3200cc – the SWJ852x suits a wide array of V8 and boosted V6 engines. Compatible examples include Indmar 2.3L Ecoboost, 383 Chev, LS1, LS2, LS3, CT525, LT1, 5.3DI, 6.2DI, LSA, 351 Ford, Indmar Raptor 440/460/575, and diesels such as the Steyr MO256H45 and equivalents.

 

Key Features:
  • Compact 8.5” two-stage waterjet design
  • Trim nozzle with changeable inserts for tuning performance
  • Optimised for medium jet boats and high-output engines
  • Proven Scott Jet Sprint racing technology
  • Built for power, precision, and long-lasting performance

The SWJ852x WaterJet is ideal for boaters who demand uncompromising performance, combining Scott’s racing heritage with robust engineering to deliver power, control, and reliability in every run

 

See it in action

Related products

  • 8 1 Two Stage with Trim SWJ812

    8.1” Two-Stage with Trim

    SWJ812
    Vee Vee View
  • 9.1” Two-Stage with Trim

    SWJ912
    Vee Vee View
  • 6 1 Two Stage with Trim SWJ612

    6.1” Two-Stage with Trim

    SWJ612
    Vee Vee View
Scott Waterjet

Our WaterJets come standard with high thrust impellers and race-proven pedigree.

Get a Quote
Our Products

Waterjets
Sprint Units
Trim Nozzles
Impellers

Navigation

Home
About Us
Products
Partners
Distributors
Contact Us

Contact Us

Tauranga, New Zealand
+64 27 222 7546
scott@speedboats.co.nz

© 2026 Scott WaterJet

Link to: 8.1” Two-Stage with Trim Link to: 8.1” Two-Stage with Trim 8.1” Two-Stage with Trim8 1 Two Stage with Trim SWJ812 Link to: 9.1” Two-Stage with Trim Link to: 9.1” Two-Stage with Trim 9.1” Two-Stage with Trim
Scroll to top Scroll to top Scroll to top
Secret Link