6-15 3-Chome Imagawa Higashisumiyoshi-ku
http://www.os-engines.co.jp
・Recommended propellers are 18x6-12，19x6-10，20x6-8 (DxP Inch). We recommend a propeller whose
rpm is within range of 7500rpm～9000rpm at full throttle.
・Start the engine with a safety stick or an electric starter (recommendation for safety reason).
・Periodical inspection after 50, 100 hours are necessary. Follow the maintenance manual, which is
separately provided.
About the engine
・The engine is equipped with electronic fuel injection system to correspond to environmental changes
during a long flight.
・This is a four stroke gasoline engine, but runs on a premixed gasoline/2-stroke engine oil.
・Use high quality commercially available 2-stroke engine oil.
・Follow the oil manufacturer's recommedation concerning the mixture ratio of gasoline and oil. In case
of no recommendation by manufacturer, use a 30 : 1 gasoline-to-oil mixture.
・The engine runs counter-clockwise when viewed from the front.
*The specifications are subject to alteration for improvement without notice.
*Consult us for any questions on this product and return for repair.
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