2021 Yamaha Marine F300 Base
- Year 2021
- Make Yamaha Marine
- Model F300
2021 Yamaha Marine F300
The award-winning 4.2-liter F300 is the king of our V6’s. Weighing in at only 562 pounds (digital) and 551 pounds (mechanical), it’s up to 73 pounds lighter than some competitors. Plus, it’s up to 19 percent faster at cruise RPM*. It’s easy to see why it’s the top choice for offshore performance.
Features may include:- Compatible with mechanical (25” shaft) or digital controls
- Recommended fuel: 89 Octane
- Shaft lengths available: 25”, 30” and 35” (35” on F300 DEC only)
- Alternator output: up to 70 amp
- Now available in signature Yamaha gray or new pearlescent white
Engine
Engine Type
V6
Engine Power
Prop Shaft: 300hp at 5500 rpm
Displacement
4.2L
Bore
96 mm (3.78 in)
Stroke
96 mm (3.78 in )
Compression Ratio
10.3:1
Throttle
Full RPM Range: 5000 ~ 6000 rpm
Steering
Angle (maximum): 32° from center, either direction
Exhaust
Through Propeller
Ignition
TCI Microcomputer
Oil Type
Recommended: Yamalube® 4M (See owner's manual)
Lubrication
Wet Sump
Cooling
Recommended: Thermostatic Control
Gear Ratio (Primary)
1.75:1
Gear Shifter
Forward, Neutral, Reverse
Induction
EFI
Spark Plug
Spark Plug
LFR6A-11
Electric
Starter
System: Electric
Alternator Output, Maximum
Output at W.O.T.: 50 - 70 Amp
Fuel System
Fuel System
Ethanol Blend Limit: 10% Maximum
Fuel Type
Recommended: Octane 89 | Recommended Filtration: Yamaha 10-Micron Fuel / Water Separating Filter (external)
Dimensions
Length
Shaft: 25" - 30" - 35" (F300 DEC Only)
Dimensions
Degree of Tilt: 67° | Degree of Trim: -3° through +16° | Mounting Centers: 28.5"
Capacities
Oil capacity
6.3L/6.0L
Weights
Weight
551 lbs (250 kg) | 562 lbs (254 kg)
Dry Weight
25" shaft: 562 lbs (255 kg) | 30" shaft: 571 lbs (259 kg)
Features
Features
Intake: 24 | C.A.R.B. Rating: 3-Star
Warranty
Warranty
Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial