Outboard · propeller size
Yamaha F70LB3 propeller size
The Yamaha F70LB3 is a 70 hp outboard with a 2.33:1 gearcase. In one published sea trial it ran 6,350 rpm at full throttle on 13.125 in props of 16 in pitch. The right prop lands full throttle in the engine's range with your normal load.
Power70 hprated
Gearcase2.33:1ratio
Sea trials1published tests
Pitch run16 inin those tests
Free checkPrefilled
MotorYamaha F70LB3
Engine1 × 70 hp
FuelPetrol
Boatyours, in the check
Prop todayyours, in the check
Free · no account · under two minutesSpecifications
F70LB3 at a glance.
- Maker
- Yamaha
- Model
- F70LB3
- Power
- 70 hp
- Gearcase ratio
- 2.33:1
- Full-throttle rpm in published tests
- 6,350 rpm
- Props in those tests
- 13.125 in diameter, 16 in pitch
| Boat | Prop | WOT rpm | Speed | Conditions | Source |
|---|---|---|---|---|---|
| Xpress X16DB · 16.83 ft | 13.125 × 16 in stainless, 3-blade | 6,350 | 35.2 kn | 1 × 70 hp · 703 kg (1,549 lb) as tested | xpressboats.com |
Related
Other 70 hp outboards.
Cross-brand options appear as other makers' engines reach the data.
Questions
About the Yamaha F70LB3.
What rpm did the Yamaha F70LB3 reach at full throttle in published tests?
6,350 rpm across one published test, with top speeds of 35.2 kn. Each test is listed above with its source.
What prop size did boats with a Yamaha F70LB3 run?
13.125 × 16 in on the Xpress X16DB. The right size for your boat depends on its weight, hull and load; the free check works it out.
What is the Yamaha F70LB3's gearcase ratio?
2.33:1, per Yamaha's published data.