Desert Aircraft DA50R Owner's Manual
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Desert Aircraft DA50R Owner's Manual

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Summary of Contents for Desert Aircraft DA50R

  • Page 1 Owners Manual 7/12...

  • Page 2: Safety Instructions

    This motor can cause severe harm to you, and/or others, if misused, or if these safety precautions and instructions are not observed. Desert Aircraft is not responsible for any loss, injury or damage resulting from the miss-use of its products.

  • Page 3: Motor Installation

    Motor Installation The DA 50R features a rear induction carburetor that is intended to protrude or breath through the fire wall. This carburetor location provides a stable air environment for consistent high performance, while carburetor noise is greatly reduced. The width of the motor is also reduced for tighter cowl installations.

  • Page 4: Ignition System

    Holes in the braided shielding can emit R/F noise or loose connections (spark plug caps, connectors and switches). • Timing is set at the factory and should not need adjustment. Contact Desert Aircraft if you have any questions regarding timing.
  • Page 5 • We recommend a high quality synthetic oil. As for the brand of oil, there are many good ones on the market. Some oils, and their mix ratios, that Desert Aircraft recommends are: Red-line Two Stroke Racing Oil (40 to 1), Motul 800 (50 to 1), and Stihl HP Ultra (50 to 1). These oils can be found at...

  • Page 6: Break-In Phase

    Break-in phase • The engine should run well from the beginning and improve as flight hours accumulate. We do not recommend breaking the engine in on a test stand. The stationary load and lack of air ducting can lead to engine over heating. Proceed with flying once the engine is tuned and running correctly. Engine break-in can be a slow process, taking place over many hours of flight time.

  • Page 7: Troubleshooting

    Without enough force, the prop may "bounce" off compression and run backwards. IF ANY PROBLEM PERSISTS, PLEASE CONTACT DESERT AIRCRAFT FIRST! We designed and manufactured your engine and have built, serviced, and analyzed thousands more.

  • Page 8: Maintenance

    If tightening the appropriate screws does not cure the problem, contact Desert Aircraft. • After prolonged use, carbon deposits can build up on top of the piston and on the combustion dome of the cylinder.
  • Page 9 • We strongly recommend to not disassemble the motor or ignition system. Improper disassembly or assembly of the motor or ignition system will void the warranty on that item. • Any modifications to the motor, or the ignition system, other than those authorized by Desert Aircraft, will void this warranty.
  • Page 10 Oil used? _____________ Gas type? _____________ Exhaust system type? __________________ Has the engine been sent in for service before? _______ If so, Why?___________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ DESERT AIRCRAFT 1815 S. Research Loop Tucson, AZ 85710 520 722 0607 info@desertaircraft.com www.desertaircraft.com...

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