This is the DLE 35-RA Gasoline Engine with Electronic Ignition. FEATURES: High performance in a compact package Rear exhaust for the perfect tuned pipe setup Newly designed piston with re-engineered skirt for less piston weight resulting in such advantages as awesome throttle response, more power and longer engine life Electronic ignition is the no-hassle answer to simpler starts, higher performance and minimal RF noise Producing 400 more rpm than the DLE30, the DLE 35-RA comes with engine standoffs, electronic ignition, spark plug and muffler Two year limited warranty through Hobby Services beginning at date of purchase INCLUDES: DLE 35-RA Gasoline Engine Electronic Ignition Muffler NGK CM6 Spark Plug Four Engine Standoffs with Mounting Hardware Integrated Choke Rod Guide Rear-mounted Carb Instruction Manual REQUIRES: Gasoline with at least 87 octane rating 2-cycle oil, mix ratio for this engine is 30 parts gas to one part oil and must be followed exactly for warranty consideration and optimum performance 4.8 - 12V battery for ignition (separate receiver style pack can be used) (LiPo & LiFe requires voltage regulator) Propeller and field equipment SPECS: Displacement: 34.5 cc (2.13 cu in) Bore: 1.5 in (38.5 mm) Compression Ratio: 7.6:1 Static Thrust: 9.5kg Pulling Force/100 meters altitude 7.8kg Pulling Force/1,800 meters altitude Gasoline/Oil Mixture: 30:1 Gasoline Octane Rating: 87 Recommended Propellers: 18x10, 19x8, 20x8, 20x10 Weight, engine: 2.06 lb (936 g) Weight, muffler: 2.61 oz (74 g) Weight, ignition module: 5.26 oz (147 g) Output: 4.1 hp @ 8,500 RPM Carburetor Adjustments; Low Speed Needle: 1.1 turns out as a starting point, adjust for a smooth idle and a reliable transition to high throttle High Speed Needle: 1.5 turns out from closed, adjust needle to peak RPM, if engine slows or dies at full throttle, the high-speed mixture is likely too lean Muffler Dimensions: 3.6 x 2.3 x 1.3" (92 x 58 x 33mm) Exhaust Outlet Length: 1.9" (48.5mm) Exhaust Outlet Diameter: 0.63" (16.1mm) Distance Between Mounting Hole Centers Same Side: 2.1" (54mm) Distance Between Mounting Hole Centers Opposite Side: 3.1" (80mm) Height from bottom/Crankcase to top of Cylinder Head: 5.4" (138mm) Width of Cylinder Head: 2.5" (65mm) Distance Between Muffler Mounting Hole Centers: 1.6" (40mm) COMMENTS: To avoid permanent damage to the electronic ignition system, NEVER turn your DLE engine over with the system switched on and the plug not installed. 7/11/12 pjw jxs 09/24/12 ir/jxs