Yamaha F300NCB F300 300 HP 4.2L V6 Outboard, Offshore Gray, No Lower Unit

The Yamaha F300NCB is an F300 four-stroke outboard with a 4.2-liter V6 rated 300 HP at 5,500 RPM, finished in Offshore Gray. It is supplied without integrated digital electric steering, and the lower unit is sold separately.

The V6 has a 96 x 96 mm (3.78 x 3.78 in) bore and stroke, a 10.3:1 compression ratio, EFI, TCI microcomputer ignition and wet-sump lubrication, with a full-throttle range of 5,000 to 6,000 RPM. Yamaha recommends 89-octane fuel with a 10% ethanol maximum, Yamalube 4M oil and an external Yamaha 10-micron fuel/water separating filter. Cooling is thermostatically controlled and exhaust exits through the propeller.

Starting is electric with power trim and tilt; trim runs from -3 to +16 degrees and the steering angle is 32 degrees each side of center. The gear ratio is 1.75:1 (25/14) with forward, neutral and reverse. Mounting centers are 28.5 inches. The control box, cables and propeller are not included.

Highlights

• 300 HP at 5,500 RPM, 4.2L V6 with EFI

• Offshore Gray finish

• Lower unit sold separately

• No integrated digital electric steering

• 1.75:1 gear ratio, F-N-R shift

• Control box, cables and propeller not included

Specifications

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.