Description
Key features
Optimal fuel/air mix: multi-port precision electronic fuel injection on the f90 delivers the optimal fuel/air mix to each cylinder. Variable trolling system: the tiller handle models come standard with yamaha’s variable trolling speed feature, allowing the operator to stay on the fish by selecting the preferred rpm (in 50 rpm increments) within a range of 620-900 rpm! High and dry: a top-mounted flywheel keeps sensitive electrical components out of the water.
Engine
Engine type: 4-cylinder
Displacement: 996cc (60.8ci)
Bore & stroke: 65x75mm (2.56×2.95in)
Rpm range: 5000-6000
Compression ratio: 9.5:1
Induction system: Sohc
Alternator output: 17 amps
Fuel delivery: Efi
Starting: Electric
Ignition: Tci microcomputer
Lubrication: Wet sump
Degree of trim/tilt: -4° through +20°/69°
Exhaust: Through prop
Cooling: Water/thermostatic control
Gear shift: F/n/r
Gear ratio: 13.24 (1.85)
Fuel & lubrication
Recommended fuel: Regular unleaded (minimum pump octane 87)
Recommended oil: Yamalube 4-m fc-w 10w-30 or 20w-40
Oil capacity: 2l
Dimensions
Shaft length: 20″
Dry weight: 112kg (247 lbs)
