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Yamaha Outboards Equipment

Yamaha High Thrust Outboards

Yamaha High Thrust four-stroke outboards (T60, T50, T25, T9.9) giving up to 60% more forward and 70% more reverse thrust than standard models, for pontoons, sailboats, houseboats and kicker use.

Description

Yamaha's High Thrust outboards use a higher gear ratio, large lower unit and large-diameter, low-pitch Dual Thrust propeller to produce up to 60% more forward thrust and up to 70% more reverse thrust than standard outboards of the same power. They suit heavy pontoons, houseboats and sailboats, and serve as trolling kickers.

Models

  • T60: 996 cc SOHC four-cylinder, EFI; 262 lb; 20 in. shaft; 16 A alternator; power trim and tilt
  • T50: 996 cc SOHC four-cylinder, EFI
  • T25: 432 cc, battery-less EFI, electric and manual start; 141/154 lb; 20 and 25 in. shafts; Variable Trolling RPM Switch
  • T9.9: 212 cc; 102/114 lb; 20 and 25 in. shafts; 6 A alternator; optional V MAX SHO-style sport cowl

Key features

  • Dual Thrust propeller standard on T25 and T9.9, optional on T50 and T60
  • Optional Multi-Function Tiller Handle (T60/T50)
  • Air intake labyrinth system traps and drains water before the intake
  • Freshwater flush device; gray or pearlescent white finishes

Technical data (T60)

  • 1.0 L in-line four; bore x stroke 65 x 75 mm; compression 9.5:1
  • 60 hp at 5500 rpm; gear ratio 2.33:1
  • Weight 117 kg; tilt 69°, trim -4° to +16°, steering 40° each side

Specifications

Weight †117kg (262 lbs)
Full Throttle RPM Range5000 ~ 6000 rpm
Fuel Induction SystemEFI
Recommended Engine OilYamalube® 4M (See owner's manual)
Engine TypeInline 4
Displacement1.0L
Bore x Stroke65 x 75mm (2.56 x 2.95 in.)
Prop Shaft Horsepower60hp @ 5500rpm
Alternator Output at W.O.T.16 Amp
Compression Ratio9.5:1
Recommended FuelOctane 87
Recommended Fuel FiltrationYamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating3-Star
ExhaustThrough Propeller
Intake8
IgnitionTCI Microcomputer
Spark PlugDPR6EB-9
Starting SystemElectric
LubricationWet Sump
Engine Oil Capacity2.1L/1.9L
Recommended CoolingThermostatic Control
Ethanol Blend Limit10% Maximum
Gear Ratio2.33:1
Gear ShiftForward, Neutral, Reverse
Shaft Length20"
Degree of Tilt69°
Degree of Trim-4° through +16°
Mounting CentersN/A
Steering Angle (maximum)40° from center, either direction
WarrantyLimited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial
Boat Model:Engine:Bulletin:Godfrey Mighty G CruiseT50LBView

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