Yamaha Jet Drive Outboards

Name: Yamaha Jet Drive Outboards
Brand: Yamaha Outboards

Yamaha jet drive four-stroke outboards (F150, F115, F90, F60, F40 Jet) for shallow, rocky rivers and shoals, with no gearcase or propeller below the hull; 30–105 hp at the pump.

Description

Yamaha's Jet Drive outboards use a jet pump instead of a gearcase and propeller, so nothing extends below the hull and boats can run shallows, rocky rivers, shoals and rapids without risk of prop damage.

Models

F150 Jet: 2.7 L DOHC 16-valve in-line four; 105 hp at the pump; 493 lb incl. pump; 25 in. transom; 35 A alternator; power trim and tilt
F115 Jet: 1.8 L DOHC 16-valve; 80 hp at the pump; 377 lb
F90 Jet: redesigned 1.8 L SOHC in-line four, YDC-30 alloy; 65 hp at the pump; 354 lb
F60 Jet: 1 L SOHC in-line four; 40 hp at the pump; 257 lb; 17 A alternator
F40 Jet: 747 cc SOHC three-cylinder; 30 hp at the pump; 219 lb; 20 in. transom; 16 A alternator; Nitro Assist Tilt

Key features

Multi-point electronic fuel injection; microcomputer ignition
Composite intake manifold with long tube tracks for low-end and midrange torque
Optional Multi-Function Tiller Handle (F115, F90, F60, F40)
Freshwater flush device; Phaze Five anti-corrosion paint over YDC-30 alloy

Technical data (F150 Jet)

2.7 L, bore x stroke 94 x 96.2 mm, compression 9.0:1
105 hp at 5500 rpm; full-throttle range 5000–6000 rpm
Direct drive; exhaust through jet nozzle; TCI microcomputer ignition
Weight 225 kg; tilt 70°, trim -4° to 16°, steering 35° each side

Specifications

Weight †	225kg (493 lbs)
Full Throttle RPM Range	5000 ~ 6000 rpm
Fuel Induction System	EFI
Recommended Engine Oil	Yamalube® 4M (See owner's manual)
Engine Type	Inline 4
Displacement	2.7L
Bore x Stroke	94mm x 96.2mm (3.70 x 3.79 in)
Prop Shaft Horsepower	105hp @ 5500rpm
Alternator Output at W.O.T.	35 Amp
Compression Ratio	9.0:1
Recommended Fuel	Octane 87
Recommended Fuel Filtration	Yamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating	3-Star
Exhaust	Through Jet Nozzle
Intake	16
Ignition	TCI Microcomputer
Spark Plug	LFR5A-11
Starting System	Electric
Lubrication	Wet Sump
Engine Oil Capacity	4.5L/4.3L
Recommended Cooling	Thermostatic Control
Ethanol Blend Limit	10% Maximum
Gear Ratio	Direct Drive
Gear Shift	Forward, Neutral, Reverse
Shaft Length	Fits 25" Transom
Degree of Tilt	70°
Degree of Trim	-4 through 16°
Mounting Centers	N/A
Steering Angle (maximum)	35° from center, either direction
Warranty	Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial

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