2026 Yamaha F90JB
Stock # - F90JB·Outboard Engine

Specifications
- Alternator Output
- 35 Amp
- Bore x Stroke
- 81mm x 88.9mm (3.19 x 3.5 in)
- Compression Ratio
- 10.0:1
- Degree of Tilt
- 70 degrees
- Degree of Trim
- -4 through 16°
- Displacement
- 1.8 l
- Dry Weight
- 354 lbs
- Engine Oil Capacity
- 3.2L/3.0L
- Engine Type
- Inline 4
- Fuel Induction System
- EFI
- Full Throttle RPM Range
- 5000 ~ 6000 rpm
- Gear Shift
- Forward, Neutral, Reverse
- Horsepower
- 90 HP
- Ignition
- TCI Microcomputer
- Length
- 2' 1"
- Lubrication
- Wet Sump
- Max HP
- 90 HP
- Mounting Centers
- N/A
- Recommended Engine Oil
- Yamalube® 4M (See owner's manual)
- Recommended Fuel
- Octane 87
- Shaft Length
- 25"
- Starting System
- Electric
- Warranty
- Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial