Midrange i4 70hp

Midrange i4 70hp

  • Type

  • Disp.

  • Weight*

    253 lbs
  • Power


Midrange i4 70hp Specs

Engine Type: i4

Displacement: 1.0L

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

Prop Shaft Horsepower: 70hp at 5800 RPM

Full Throttle RPM Range: 5300 - 6300 RPM

Alternator Output at W.O.T.: 17 Amp

Compression Ratio: 9.4:1

Fuel Induction System: EFI

Weight*: 114 kg (253 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 70hp

Our 1-liter 70-hp midrange features a two-piece upper case and 10 percent lighter pistons. It’s up to 80 pounds lighter than other four-stroke competitors and the class-leader in power-to-weight. Combined with its 16-valve SOHC design and 17 percent larger intakes, and it’s one of the most responsive outboards on the water.

  • Available for mechanical remote or tiller control
  • Only 253 pounds
  • Available in a 20” shaft
  • Powerful 17-amp alternator
  • Optional Variable Trolling RPM Switch (VTS®) via the Multi-Function Tiller Handle, Command Link® tachometer or helm-mounted remote VTS

* 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).