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







