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 / 8.1” Two-Stage with Trim
8 1 Two Stage with Trim SWJ812

8.1” Two-Stage with Trim

The SWJ812 (8.1”) WaterJet Unit is a compact, high-performance model in the Scott WaterJet range, engineered for smaller jet boats where agility and efficiency are essential.

Boat size:Typically 3.8m (~12ft) to 4.5m (15ft) lighter loaded use jet boats.
Power range:250 to 500 Hp
Engine size:Gasoline 3500cc to 6000cc
Suitable Engines:1310\1410 Flange

Suited to wide range of V6 and lower powered V8’s.
Examples: 350 Chevs, Toyota 4.0L Lexus V8, GM VVT V6, VQ30 Nissan Turbo, VH45 Nissan, VQ35 Nissan, LS1 Chevy 5.7l, LS2 Chevy 6.0l
ENQUIRE NOW
SKU: SWJ812 Category: WaterJets Brand: Scott WaterJet
Description

The SWJ812 (8.1”) WaterJet Unit is a compact, high-performance model in the Scott WaterJet range, engineered for smaller jet boats where agility and efficiency are essential. Incorporating proven Scott Jet Sprint racing technology, the SWJ812 delivers impressive thrust and control while maintaining the strength, reliability, and precision Scott WaterJets are known for.

Designed to make the most of mid-range engines, the SWJ812 provides smooth, responsive handling across a wide range of conditions. Ideal for lighter-loaded boats between 3.8m (12ft) and 4.5m (15ft), it offers exceptional performance for those who demand power without compromise.

Its optimised design suits engines from 250 to 500hp and displacements between 3500cc and 6000cc, making it an excellent match for V6 and smaller V8 setups, including 350 Chev, Toyota 4.0L Lexus V8, GM VVT V6, VQ30/VQ35 Nissan, VH45 Nissan, and LS1–LS2 Chevy engines.

 

Key Features:
  • Compact 8.1” two-stage waterjet design
  • Trim nozzle with changeable inserts for tuning performance
  • Optimised for smaller jet boats and mid-range engines
  • Proven Scott Jet Sprint racing technology
  • Built for efficiency, agility, and long-lasting performance

 

The SWJ812 WaterJet is ideal for boaters seeking the perfect balance of racing-inspired power, precision handling, and compact design
– delivering performance that goes the distance.

Related products

  • 8 1 Two Stage with Trim SWJ812 2

    8.5” Two-Stage with Trim

    SWJ852x
    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: 6.1” Two-Stage with Trim Link to: 6.1” Two-Stage with Trim 6.1” Two-Stage with Trim6 1 Two Stage with Trim SWJ612 Link to: 8.5” Two-Stage with Trim Link to: 8.5” Two-Stage with Trim 8 1 Two Stage with Trim SWJ812 28.5” Two-Stage with Trim
Scroll to top Scroll to top Scroll to top
Secret Link