2021 Yamaha Marine F90 Jet Drive Base
- Year 2021
- Make Yamaha Marine
- Model F90 Jet Drive
2021 Yamaha Marine F90 Jet Drive
Our completely redesigned, 1.8-liter F90 Jet Drive four stroke produces 65 hp at the pump. Its compact, light-weight 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.
Features may include:- Compatible with mechanical controls, our Multi-Function Tiller Handle, analog gauges and Command Link®
- 354 pounds (including jet pump assembly)
- Fits 25-inch transom boats
- Solid 35-amp alternator
- Power Trim & Tilt
Engine
Engine Type
Inline 4
Engine Power
Prop Shaft: 65 hp @ 5500rpm
Displacement
1.8 L
Bore
81 mm (3.19 in)
Stroke
88.9 mm (3.5 in)
Compression Ratio
10.0:1
Throttle
Full RPM Range: 5000 ~ 6000 rpm
Steering
Angle (maximum): 35° from center, either direction
Exhaust
Through Jet Nozzle
Ignition
TCI Microcomputer
Oil Type
Recommended: Yamalube® 4M (See owner's manual)
Lubrication
Wet Sump
Cooling
Recommended: Thermostatic Control
Gear Ratio (Primary)
Direct Drive
Gear Shifter
Forward, Neutral, Reverse
Induction
EFI
Spark Plug
Spark Plug
LFR5A-11
Electric
Starter
System: Electric
Alternator Output, Maximum
Output at W.O.T.: 35 Amp | 35 Amps
Fuel System
Fuel System
Ethanol Blend Limit: 10% Maximum
Fuel Type
Recommended: Octane 87 | Recommended Filtration: Yamaha 10-Micron Fuel/Water Separating Filter (external)
Dimensions
Length
Shaft: Fits 25" Transom
Dimensions
Degree of Tilt: 70° | Degree of Trim: -4 through 16°
Capacities
Oil capacity
3.2L/3.0L
Weights
Weight
354 lbs (161 kg)
Dry Weight
495 lbs (225 kg)
Features
Features
Intake: 16 | C.A.R.B. Rating: 3-Star
Warranty
Warranty
Limited 2-Year Pleasure, 2-Year Government, 1-Year Commercial