Outboard · propeller size
Yamaha T50LB (High Thrust) propeller size
The Yamaha T50LB (High Thrust) is a 50 hp outboard with a 2.33:1 gearcase. In one published sea trial it ran 6,100 rpm at full throttle on 13.625 in props of 13 in pitch. The right prop lands full throttle in the engine's range with your normal load.
Power50 hprated
Gearcase2.33:1ratio
Sea trials1published tests
Pitch run13 inin those tests
Free checkPrefilled
MotorYamaha T50LB (High Thrust)
Engine1 × 50 hp
FuelPetrol
Boatyours, in the check
Prop todayyours, in the check
Free · no account · under two minutesSpecifications
T50LB at a glance.
- Maker
- Yamaha
- Model
- T50LB (High Thrust)
- Power
- 50 hp
- Gearcase ratio
- 2.33:1
- Full-throttle rpm in published tests
- 6,100 rpm
- Props in those tests
- 13.625 in diameter, 13 in pitch
- Prop lines in those tests
- Yamaha Yamaha Aluminum
| Boat | Prop | WOT rpm | Speed | Conditions | Source |
|---|---|---|---|---|---|
| Robalo R160 · 16.33 ft | 13.625 × 13 in Yamaha Aluminum, aluminium, 3-blade | 6,100 | 27.0 kn | 1 × 50 hp · 887 kg (1,955 lb) as tested | yamahaoutboards.com |
Related
Other 50 hp outboards.
Cross-brand options appear as other makers' engines reach the data.
Questions
About the Yamaha T50LB (High Thrust).
What rpm did the Yamaha T50LB (High Thrust) reach at full throttle in published tests?
6,100 rpm across one published test, with top speeds of 27.0 kn. Each test is listed above with its source.
What prop size did boats with a Yamaha T50LB (High Thrust) run?
13.625 × 13 in on the Robalo R160. The right size for your boat depends on its weight, hull and load; the free check works it out.
What is the Yamaha T50LB (High Thrust)'s gearcase ratio?
2.33:1, per Yamaha's published data.