Roto 85 FSI - 85cc Two Cylinder Inline 4-Stroke Gas Engine

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€1,469.00 €1,214.05

Product Details


Roto 85 FSI - 85cc Two Cylinder Inline 4-Stroke Gas Engine

ROTO motor 85 FSI is two cylinder  4 stroke  gasoline engine made specifically for the model  airplanes up to 3.6m and 20 kg. These dates are for recreational flying.


The Engine was developed in Europe with the assistance of CAD systems (Solidworks) and optimized for the liquid flow in the Flow software (made by Solidworks).


All ROTO engines and its components are made and programed by utilizing the state of art 5 axis machinery made by American companies HASS and Siemens NX.


Every engine, made by ROTO MOTOR Company is bench tested and adjusted by qualified technician on the Engine Star equipment to ensure its peak performance.

Oil: Stihl HP Ultra, 1:50


  • Displacement: 85ccm
  • Static Engine Thurst: 12kg
  • Bore: 39.5mm
  • RPM: 1000-5800
  • Weight: 3000g
  • Piston Rod: 4x Needle Bearing
  • Crank Shaft: 4x Ball Bearing NSK
  • Ignition: Processor controlled
  • Mixture: Fuel + oil 1:50
  • 2 Blade propeller: 25-26 x 10-12
  • 3 Blade propeller: 24x10-12


More Information
Manufacturer Roto
Article reference ROT03-0207
Cylinder 62-120cc

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In the box

  • Engine
  • Ignition
  • Accessories