FOR THOSE WHO RELY ON THEIR QUALITY TIME
Nothing beats a day on the water with family and friends. And nothing powers those moments quite like Yamaha’s versatile line of midrange outboards. Ranging in size from the mighty F90 down to the nimble F25, they offer just the right amount of power for a variety of applications. These 2-, 3- and 4-cylinder dynamos are quiet, clean-burning, reliable performers. But that’s not all they have to offer.
F90
F90 Specifications
Features a 16-valve, Double Overhead Camshaft (DOHC) design for incredible acceleration, and Precision Multi-Point Fuel Injection for reliable starts and outstanding fuel efficiency. The F90 is the only Yamaha Midrange with an optional 25-inch shaft.
Engine Type | In-Line Four Cylinder |
Displacement | 97 ci (1596 cc) |
Bore x Stroke | 79 x 81.4mm (3.11 x 3.20in) |
Prop Shaft Horsepower | 90hp @ 5500rpm |
Compression Ratio | 9.6:1 |
Fuel Induction | EFI/SOHC/4 Valves Per Cylinder |
Exhaust | Through Propeller |
Intake | Single Throttle Valve |
Ignition | TCI Micro Computer |
Spark Plug | LFR5A-11-00-000 |
Alternator Output | 25AMP |
Starting System | Electric w/PTT |
Lubrication | Wet Sump |
Engine Oil Capacity | 3.7L/3.5L w/without filter |
Full Throttle RPM Range | 5000 ~ 6000 rpm |
Cooling | Water/Thermostatic Control |
Recommended Engine Oil | Yamalube® 4M (See owner’s manual) |
Recommended Fuel | Regular Unleaded (Minimum Pump Octane 87) |
Recommended Fuel Filtration | Yamaha Mini 10-Micron Fuel/Water Separating Filter (external) |
Ethanol Blend Limit | 10{b90c87886206de78b35d14fb21a589f498d7c0648f5572a1a4d18cb3f2968d19} Maximum |
Gear Ratio | (25:11) 2.27:1 |
Gear Shift | F-N-R |
Shaft Length | L = 20″ X = 25″ |
Degree of Tilt | 70° |
Degree of Trim | -4° through +16° |
C.A.R.B. Rating | 3-Star |
Dry Weight | 25″ shaft / 169 kg (372 lbs) ; 20″ shaft / 166 kg (366 lbs) |
Steering Angle (maximum) | 35° from center, either direction |
Warranty | 3 Year Limited Pleasure Boat – 1 Year Limited Commercial |
F75
F70
F60
F50
F40
F30
F25