Yamaha 300 HP DEC F300UCB V6 Four-Stroke Outboard, 30" Shaft
The Yamaha F300UCB is a new 300 HP, 4.2-liter V6 four-stroke outboard with a 30-inch (XX-long) shaft and DEC digital controls through Command Link. It has EFI, electric start and power trim and tilt, and weighs 562 lbs.
The current F300 uses a new cowling design and an exhaust rerouted to strengthen reverse thrust. Power trim and tilt and the owner's manual are included, and the propeller is not included.
Highlights
300 HP V6 four-stroke, 4.2 liters, EFI
30-inch XX-long shaft
DEC with Command Link digital control
Power trim and tilt, electric start
Weight 562 lbs
Propeller not included
Specifications
Brand | Yamaha |
Model | F300UCB |
Horsepower | 300 HP |
Engine Type | V6 Four-Stroke |
Cylinders | 6 |
Displacement | 4.2 L |
Shaft Length | 30" (XX-Long) |
Controls | DEC, Command Link Control Digital |
Starting | Electric |
Trim | Power Trim & Tilt |
Weight | 562 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.


