High Thrust 9.9 HP

High Thrust 9.9 HP

Outboard
Overview

Our 432-cc 25-hp High Thrust outboard delivers the power and grip with exceptional efficiency. This newly redesigned outboard has the best power-to-weight ratio of all high-thrust 25 horsepower outboards. With the new design comes a no-battery-required Electronic Fuel Injection as well as electric and manual start on all models. The new 25hp High Thrust model comes in both 20 and 25 inch shaft lengths for a wider range of applications. Also included, Variable Trolling RPM Switch (VTS®) which allows slower trolling than standard in-gear idle for better fishing.

 

  • Compatible with mechanical controls
  • 141/154 pounds
  • Available in 20” and 25" shaft length
  • Solid 16-amp alternator
Engine Type2 cyl
Displacement432cc
Bore x Stroke65 x 65.1mm (2.554 x 2.558 in.)
Prop Shaft Horsepower25hp @ 5500rpm
Full Throttle RPM Range5000 ~ 6000 rpm
Alternator Output at W.O.T.16 Amp
Compression Ratio9.3:1
Fuel Induction SystemElectronic Fuel Injection
Weight †64kg (141 lbs) / 70kg (154 lbs)
Recommended FuelOctane 87
Recommended Engine OilYamalube® 4M (See owner's manual)
Recommended Fuel FiltrationYamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating2-Star
ExhaustThrough Propeller
Intake4
IgnitionCDI Microcomputer
Spark PlugDPR6EB-9
Alternator Output16
Starting SystemElectric and Manual
LubricationWet Sump
Engine Oil Capacity1.1L/1.0L
Recommended CoolingThermostatic Control
Ethanol Blend Limit10% Maximum
Gear Ratio2.08:1
Gear ShiftForward, Neutral, Reverse
Shaft Length20" or 25"
Degree of Tilt63°
Degree of Trim-3° through +16°
Dry Weight64kg (141 lbs) / 70kg (154 lbs)
Mounting CentersN/A
Steering Angle (maximum)45° from center, either direction
WarrantyLimited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial

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