Launch product
The Joost
Outboard
At one-third the weight of its competitors, the Joost™ outboard engine will not only put the ‘pick up and go’ back into portable outboards, but open up new opportunities in the marine leisure sector through its unrivalled power-to-weight characteristics.
Joost’s first outboards will be in the sub-15hp range and fully emissions compliant for personal as well as commercial use.
Key features & benefits
One-third the weight of today’s 4-stroke outboards
Designed for compliance with RCD, EPA and CARB emissions regulations
Designed for storage and transport in any orientation
Perfect engine balance and sub-surface positioning for whisper-quiet operation
Contains 70% fewer parts than today’s 4-stroke outboards
Resistant to fuel fouling during long periods of storage
Technical specs
- Single cylinder, opposed piston
- Fuel: Petrol
- Launch models up to 15hp
- Pull start
- Conventional electric fuel injection
- Dry weight: 13kg

About the Joost Engine
It has all the weight, power and simplicity benefits of a 2-stroke engine, but with the emissions, efficiency and reliability of modern 4-strokes.