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Yamaha High Thrust 60 / 50 / 25 / 9.9 HP
Yamaha’s High Thrust four strokes, are built for jobs that call for more muscle—like pushing a heavy pontoon, adding extra kick to a multi-species boat or maneuvering a sailboat through a crowded marina. Available in 60, 50, an all-new 25 and a 9.9 horsepower, their larger lower units and higher gear ratios produce substantially more thrust than conventional outboards of the same horsepower using standard propellers.
Make an appointment with Tom Ross to come in and see these motors in person.
More Thrust
The Higher Gear Ratio on Yamaha’s High Thrust outboards make these powerhouses ideal for heavy pontoons and other applications that require an extra measure of muscle.
Max Muscle
Increase thrust up to 60 percent in forward and 70 percent in reverse with a large-diameter, low-pitch Dual Thrust™ propeller. They’re optional on our High Thrust T50 and T60, and standard on our T25 and T9.9, and are perfect for sailboats and pontoons. They can also be used on Yamaha Midrange outboards with 4.25″ K gearcases.
Optimum Performance
Microcomputer Ignition adjusts timing to maintain optimum engine performance, economy and power under all conditions.
Single Overhead Camshaft
A Single Overhead Camshaft (SOHC) design creates a compact, lightweight, space-saving design.
Fuel Economy
Precision Multi-Point Electronic Fuel Injection on the T60 and T50 delivers the exact amount of fuel needed for optimum performance and efficiency. Yamaha’s EFI optimizes fuel atomization, further enhancing fuel economy.
| Engine Type | Inline 4 / 2 cyl |
| Displacement | 1.0L |
| Bore x Stroke | 65 x 75mm (2.56 x 2.95 in.) |
| Prop Shaft Horsepower | 60hp @ 5500rpm / 50hp @ 5500rpm / 25hp @ 5500rpm / 9.9hp @ 5500rpm |
| Full Throttle RPM Range | 5000 ~ 6000 rpm |
| Alternator Output at W.O.T. | 6 Amp |
| Compression Ratio | 9.4:1 |
| Fuel Induction System | Carb |
| Weight | 46kg (102 lbs) - 51kg (114 lbs) |
| Recommended Fuel | Octane 87 |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel/Water Separating Filter (external) |