Midrange i4 50hp

Midrange i4 50hp

  • Type

    i4
  • Disp.

    1.0L
  • Weight*

    247 lbs
  • Power

    50hp

Midrange i4 50hp Specs

Engine Type: i4

Displacement: 1.0L

Bore x Stroke: 65 x 75mm (2.56 x 2.95 in.)

Prop Shaft Horsepower: 50hp at 5500 RPM

Full Throttle RPM Range: 5000 - 6000 RPM

Alternator Output at W.O.T.: 16 Amp

Compression Ratio: 9.5:1

Fuel Induction System: EFI

Weight*: 112 kg (247 lbs)

Recommended Fuel: Octane 87

Recommended Engine Oil: Yamalube® 4M (See owner's manual)

Recommended Fuel Filtration: Yamaha 10-Micron Fuel / Water Separating Filter (external)

Warranty: Limited 3-year Pleasure, 3-year Government, 1-Year Commercial

About the Midrange i4 50hp

For inshore fishing performance in a few less horses, turn to Yamaha’s 1-liter 50-hp midrange.  Inspired by the F70’s ingenious design, it combines light weight, exhilarating performance, valuable efficiency and the option of variable trolling via our Multi-Function Tiller Handle, Command Link® Tachometer or our new, helm-mounted remote Variable Trolling RPM Switch (VTS®).

  • Available for mechanical remote or tiller control
  • Only 247 pounds
  • Available in a 20” shaft
  • Powerful 16-amp alternator
  • Optional Variable Trolling RPM Switch (VTS®)
  • Available in a T50 High-Thrust model for pushing heavy loads

* Weight refers to shortest shaft length, and is measured without motor oil, gearcase oil and propeller (except models 25 hp and under, which include a standard propeller).