Yamaha F90 Jet Drive

Specifications

Yamaha F90 Jet Drive. Propeller-free and powerful, these nimble four strokes boldly go where no conventional outboard would dare.

Engine Type: 4 cyl.
Displacement: 97 ci (1596 cc)
Bore x Stroke: 79 x 81.4 mm (3.11 x 3.20 in.)
Prop Shaft Horsepower: 65 hp @ 5500 rpm
Compression Ratio: 9.6:1
Fuel/Induction System: DOHC Fuel Injection
Exhaust: Through Jet Pump
Intake: Single Throttle Valve
Ignition System: TCI Micro Computer
Spark Plug: LFR6A-11-00-000
Alternator Output: 25A
Starting System: Electric
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® 4-M (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% Maximum
Gear Ratio: Direct Drive
Gear Shift: Forward, Neutral, Reverse
Shaft Length: Fits 25 in. transoms
Degree of Tilt: 70 deg.
Degree of Trim: -4 through 16 deg.
C.A.R.B. Rating: 3-Star
Dry Weight: 177 kg (391 lb.) w/jet pump assembly
Steering Angle (maximum): 35 deg. from center, either direction
Warranty: 3 Year Limited Pleasure Boat – 2 Year Pump Assembly – 1 Year Limited Commercial
Spec Weight: 3