Yamaha F90LB 90 HP Four-Stroke Outboard Motor, 20" Shaft
The Yamaha F90LB is a 90 HP four-stroke outboard with a 20-inch shaft. Its 1.8-liter (1,832 cc) SOHC in-line four has four valves per cylinder and EFI, with electric start, power trim and tilt, and remote mechanical throttle and shift.
The full-throttle range is 5,000 to 6,000 RPM and the motor weighs 353 lbs. Power trim and tilt, a steering link arm and the owner's manual are standard equipment. The propeller is not included.
Highlights
90 HP four-stroke in-line four
1.8 L (1,832 cc) SOHC, EFI
20-inch shaft
Electric start, power trim and tilt
Steering link arm included
Propeller not included
Specifications
Brand | Yamaha |
Model | F90LB |
Horsepower | 90 HP |
Engine Type | Four-stroke |
Cylinders | 4 |
Displacement | 1,832 cc |
Shaft Length | 20" |
Throttle/Shift | Remote mechanical |
Starting | Electric |
Trim | Power trim & tilt |
Weight | 353 lbs |
Full Throttle Range | 5,000–6,000 RPM |
Fuel Induction | EFI |
Good to know
Confirm shaft length, controls and propeller rotation against your boat before ordering, and stay within the maximum horsepower on the boat's capacity plate.
Installation, rigging and commissioning by a qualified marine technician are recommended; follow the manufacturer's pre-delivery and break-in procedures.

