I-4 VMAX SHO® 115 HP

I-4 VMAX SHO® 115 HP

Outboard
Overview

The I-4 V MAX SHO 115 is Yamaha’s fastest 115-hp four stroke, ever, with a top speed of nearly 51 mph.* On top of its impressive speed, it features tech unheard of in its class, including a long-track intake system, free-flow exhaust and knock sensor. Still it’s 10 pounds lighter than a competitor’s two stroke.

 

  • 1.8-liter high-output four cylinder
  • 377 lbs. dry weight
  • 20-inch and 25-inch shaft options
  • 35 amps of charging power
  • Command Link® compatibility with Variable Trolling

 

*Tests conducted by Yamaha Marine using a Skeeter® TZX170 with a tournament load and two occupants.

Engine TypeInline 4
Displacement1.8L
Bore x Stroke81 x 88.9mm (3.19 x 3.5in)
Prop Shaft Horsepower115hp at 5500 rpm
Full Throttle RPM Range5300 ~ 6300
Alternator Output at W.O.T.35 Amp
Compression Ratio10.0:1
Fuel Induction SystemEFI
Weight †171 kg (377 lbs) - 175 kg (386 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. Rating3-Star
ExhaustThrough Propeller
Intake16
IgnitionTCI Microcomputer
Spark PlugLKR6E
Alternator Output35 Amp
Starting SystemElectric
LubricationWet Sump
Engine Oil Capacity3.2L/3.0L
Recommended CoolingThermostatic Control
Ethanol Blend Limit10% Maximum
Gear Ratio2.15:1
Gear ShiftForward, Neutral, Reverse
Shaft Length20" - 25"
Degree of Tilt70°
Degree of Trim-4° through +16°
Dry Weight20" shaft / 171 kg (377 lbs), 25" shaft / 175 kg (386 lbs)
Mounting CentersN/A
Steering Angle (maximum)35° from center, either direction
WarrantyLimited 3-Year Pleasure, 3-Year Government, 1-Year Commercial

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