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Engine Position: Outboard
Fuel Type: Diesel
Condition: Used

Specifications

Detailed Yamaha Outboards Motor Information
Type:  Outboard Motor
Year:  Current
Model:  90 HP Four Stroke Jet Drive 
Model Number:  F90JA
Series:  Four Stroke Jet Drive 
HP:  90
Engine Type:  4 Cylinder
Displacement:  97 ci (1596 cc)
Bore x Stroke:  79 x 81.4 mm (3.11 x 3.20in)
Prop Shaft Horsepower:  65 @ 5500 RPM
Compression Ratio:  9.6
RPM Range:  5000-6000
Fuel Induction System:  EFI (DOHC)
Fuel Type:  Unleaded gasoline (minimum pump octane 87)
Exhaust:  Thru prop
Ignition System:  TCI Micro Computer
CARB Rating:  3-Star
Alternator Outputat WOT:  25A
Starting System:  Electric
Lubrication:  Wet Sump
Oil Capacity:  4.5 quarts
Recommended Engine Oil:  Yamalube 4M
Gear Ratio:  Direct Drive
Control Type:  Remote
Trolling Throttle Adjustment:  +/- 50 RPM increments (600 - 1000 RPM range) via Command Link System
Cooling:  Water, Thermostatic Control
Weight:  390 lb (177 kg)
Gear Shift:  F-N-R
Command Link System:  Optional Equipment
Enhanced Ultimate Corrosion Protection System UCP:  Standard Feature
Power Trim and Tilt:  Yes
Shaft Length:  25 inch
Gearcase Rotation:  Jet Drive
Propeller:  Jet Drive
Tiller Handle Kit:  Optional
Freshwater Flush:  Yes