Answer
Mar 31, 2025 - 06:13 AM
The gross weight of a 90 HP 4-stroke Yamaha outboard (specifically the Yamaha F90) depends slightly on the shaft length and trim style, but here’s the general ballpark:
- F90LB (20" shaft): around 353 lbs (160 kg)
- F90XB (25" shaft): around 362 lbs (164 kg)
That includes the full motor with fluids but not the controls or propeller.
