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.
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
Alternator Output at W.O.T. - 50 - 70 Amp
Compression Ratio - 10.3:1
Fuel Induction System - EFI
Recommended Fuel - Octane 89
Recommended Engine Oil - Yamalube® 4M (See owner's manual)
Recommended Fuel Filtration - Yamaha 10-Micron Fuel / Water Separating Filter (external)
C.A.R.B. Rating - 3-Star
Exhaust - Through Propeller
Intake - 24
Ignition - TCI Microcomputer
Spark Plug - LFR6A-11
Alternator Output - 50 - 70 Amp
Starting System - Electric
Lubrication - Wet Sump
Engine Oil Capacity - 6.3L/6.0L
Recommended Cooling - Thermostatic Control