Jet Drive 90 HP
Jet Drive 90 HP
Outboard
Overview
Our completely redesigned, 1.8-liter F90 Jet Drive outboard produces 65 hp at the pump. Its compact, lightweight SOHC four-cylinder, in-line design features a long-track induction system and Yamaha’s proprietary YDC-30 aluminum alloy. This creates a light, compact, powerful outboard for deck boats and deep-V hulls navigating shallow, rocky rivers, flats and sandbars.
- 354 pounds (including jet pump assembly)
- Fits 25-inch transom boats
- Solid 35-amp alternator
- Power Trim & Tilt
Weight | 161kg (354 lbs) |
Full Throttle RPM Range | 5000 ~ 6000 rpm |
Fuel Induction System | EFI |
Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
Engine Type | Inline 4 |
Displacement | 1.8L |
Bore x Stroke | 81mm x 88.9mm (3.19 x 3.5 in) |
Prop Shaft Horsepower | 65hp @ 5500rpm |
Alternator Output at W.O.T. | 35 Amp |
Compression Ratio | 10.0:1 |
Recommended Fuel | Octane 87 |
Recommended Fuel Filtration | Yamaha 10-Micron Fuel/Water Separating Filter (external) |
C.A.R.B. Rating | 3-Star |
Exhaust | Through Jet Nozzle |
Intake | 16 |
Ignition | TCI Microcomputer |
Spark Plug | LFR5A-11 |
Starting System | Electric |
Lubrication | Wet Sump |
Engine Oil Capacity | 3.2L/3.0L |
Recommended Cooling | Thermostatic Control |
Ethanol Blend Limit | 10% Maximum |
Gear Ratio | Direct Drive |
Gear Shift | Forward, Neutral, Reverse |
Shaft Length | Fits 25" Transom |
Degree of Tilt | 70° |
Degree of Trim | -4 through 16° |
Mounting Centers | N/A |
Steering | Mechanical Remote/Tiller |
Steering Angle (maximum) | 35° from center, either direction |
Warranty | Limited 2-Year Pleasure, 2-Year Government, 1-Year Commercial |