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Yamaha Outboard 4- STROKE F90 MID-POWER

  • Yamaha Outboard 4- STROKE F90 MID-POWER
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Product Description

MULTI-PORT PRECISION ELECTRONIC FUEL INJECTION, on the F90, delivers the optimal fuel/air mix to each cylinder. VARIABLE TROLLING SYSTEM, on the F90. 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! TOP-MOUNTED FLYWHEEL keeps sensitive electrical components out of the water. ENGINE CONTROL MODULE adjusts timing to maintain optimum engine performance, economy and reliability in all conditions. DOUBLE OVERHEAD CAM DESIGN on the F75 and up features fewer moving parts compared to a conventional single overhead cam design for greater reliability. MULTI-FUNCTION TILLER HANDLE, available on F30 through F60. Optional on F75 through F115, gives you fingertip control of starting, shifting, steering and throttle.

Specification :
Engine Type : 4-cylinder
Displacement : 1596cc (97ci)
Bore & Stroke : 79x81.4mm (3.11x3.2in)
RPM Range : 5000-6000
Compression Ratio : 9.6:1
Induction System : DOHC
Alternator Output : 25 Amps
Fuel Delivery : EFI
Starting : Electric
Ignition : TCI microcomputer
Lubrication : Wet sump
Degree of Trim/Tilt : -4° through +16°/70°
Exhaust : Through Prop
Cooling : Water/Thermostatic Control
Gear Shift : F/N/R
Gear Ratio : 11:25 (2.27)

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