⚓ Marine Equipment Specialist: Yamaha High Thrust Authority.
Providing authentic Yamaha Marine engineering with professional technical support for kicker, pontoon, and sailboat applications requiring heavy-duty torque.
The Yamaha T9.9LWHB High Thrust is a 212cc portable workhorse specifically engineered for applications that require massive muscle, such as pushing heavy pontoons or serving as a reliable kicker for multi-species boats. This model features a higher gear ratio (2.92:1) to spin a larger Dual Thrust™ propeller, providing up to 60% more forward thrust and 70% more thrust in reverse compared to standard outboards. Its unique combination of electric and manual starting provides ultimate reliability in all conditions.
Technical Specifications
| Model / MPN |
T9.9LWHB |
| Engine Type |
4-Stroke, 2-Cylinder SOHC |
| Displacement |
212 cc (12.9 ci) |
| Prop Shaft Horsepower |
9.9 hp @ 5500 rpm |
| Starting System |
Electric and Manual (Rope) Start |
| Shaft Length |
20 Inches (Long Shaft) |
| Gear Ratio |
2.92:1 (High Thrust) |
| Full Throttle RPM Range |
5000 - 6000 RPM |
In The Box
- 1x Yamaha 9.9hp High Thrust Outboard Motor (T9.9LWHB)
- 1x Standard Dual Thrust™ Propeller (Factory Installed)
- 1x External Fuel Line (Bulb & Connectors)
- 1x Emergency Lanyard & Tool Kit
- 1x Owner's Manual & Factory Warranty Documents
Frequently Asked Questions
1. Why is the 2.92:1 gear ratio significant for heavy displacement hulls?
This specific ratio converts engine power into higher torque rather than top-end speed. It allows the motor to push significantly more water mass (pontoons or sailboats) compared to standard models with a typical 2.08:1 ratio.
2. Does this model require an external battery?
Yes. While it features a manual pull-start for emergency backup, a 12V marine battery is necessary to operate the electric starter and utilize the integrated 6-Amp alternator charging system.
Marine Equipment Specialist | Yamaha Marine Specialist | Genuine Provider
