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About

ROTO 85FS | to Buy press on price tag! *

This "Bull" is awesome and it runs how it looks; Strong and Furious. More than ever Rotomotor knows, how to do an impressive four-stroke opposed twin cylinder gasoline engine. This gas engine is the second of a new generation of 4-stroke engines! Is a very powerful, solidly made, precision crafted, great running four stroke engine. Very smooth and easy to start with awesome throttle response. We recommend the Roto 85FS for any model airplane up to 360 cm (11,8') and 20 kg (44.2 lb). Un unmissable beast indeed!

 

This is a very exciting introduction to your engine lineup!


Act now to take advantage of our special introductory pricing! | We will be very pleased indeed if you recommend to a friend. Thank you very much!

 

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* Pressing on "buy now" label allows you to add this item in shopping basket through PayPal™ account. All payments are made safely by PayPal™. Payments by MB (Multibanco) are acceptable and are available for Portugal residents only. If you are based in Portuguese territory please contact us here.

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Warranty & Registration's Action

When you buy a ROTO Motor gasoline engine each goes with a Warranty registration card and it will be delivered duly completed and stamped by us. A duplicated copy thereof will be posted by us into the factory Roto Motor Ltd. based in Hronov, Czech Republic, thus giving 40 months warranty to your product and to your total satisfaction.

 

Manufacturing technology ROTO 85FS

Roto Motors are manufactured by one of the leading model engine company from the Czech Republic. No expense has been spared with any of the materials and components used to produce this range of quality high performance petrol engines. Roto Motors use a Rotary Valve Induction system to aid easy starting and smooth consistent linier performance with a slow idle speed. One of the only petrol engine manufactures to use conventional model type engine mounting system on the 25 and 35 size engines. This allows easy installation into most aircraft. Fully shielded electronic ignition system insures no interference with your transmitter signal.

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 Start equipment to ensure its peak performance.