.91 c.i.
EN NOTICE All instructions, warranties and other collateral documents are subject to change at the sole discretion of Horizon Hobby, Inc. For up-to-date product literature, visit horizonhobby.com and click on the support tab for this product.
EN • Always ensure the throttle failsafe is set to low throttle in your transmitter. • Always perform a range check prior to flight. • Always cut off the fuel supply (pinch or disconnect the fuel line to the carburetor) or use the throttle linkage to shut off the air in order to stop the engine. • Never use hands, fingers, or any other body part to stop the propeller. • Never throw any object into a propeller to stop it.
EN Included Content ENGINE • Muffler • Muffler Screws & Gasket • Glow Plug (EVOGP1) • In Line Fuel Filter (EVOA105) • In Line Fuel Filter/Clunk (EVOA106) • Instruction manual • Decal sheet OPTIONAL ITEMS • Startup Field Pack (HANSTART) • Tachometer (HAN156) • Blue Block After Run Engine Oil Applicator (EVOX1001) • Blue Block After Run Engine Oil Refill (EVOX1002) • #9 Performance Glow Plug (HAN3015) • PowerPro 12V Starter (HAN161) Glow Plug Fuel Nipple Muffler Nipple Muffler High-Speed Needle Muffler
EN Installing the Muffler 1. Put a lock washer on each of the muffler screws. Push the muffler screws through the cylinder head. 2. Place the muffler gasket over the engine mounting screws. 3. Align the muffler gasket with the exhaust opening and the muffler mounting screws. 4. Tighten the muffler screws. T he muffler mounting accessory package includes mounting screws (2), lock washers (2), muffler gaskets (2) and L- wrenches (2). Important: Tighten the muffler screws after five tanks of fuel.
EN Adjusting the Throttle Opening 1. Lower the throttle and center the throttle trim. 2. Adjust the length of the throttle linkage until the throttle is open 1.5mm. 3. Move the throttle stick up to confirm the throttle opens. If the throttle does not open, reverse the throttle channel in your transmitter. 4. Move the throttle stick and throttle trim down to confirm the throttle closes. 5. If you reversed the throttle channel in your transmitter and you are using a 2.
EN Fuel We recommend using high-quality Cool Power, Omega, or Power Master fuels containing 10 to 15% nitro. The Evolution Engine has been test-run using these fuels. If another brand of fuel is used, it may be necessary to slightly adjust the needle valves to compensate for the differences in fuel. Glow Plug The Evolution engine comes with a specially designed “Super Plug” that prevents idle and transition flameouts.
EN Setting the Needle Valves The low-speed needle has a limiter that prevents over-adjustment. If your engine starts from the above procedure, but won’t reliably continue to run with the glow driver removed, follow the steps below. Low-Speed Needle Adjustment The low-speed or idle needle valve, included with the SetRight™ assembly, is preadjusted at the factory for best performance at close to sea level conditions.
EN Low-Speed SetRight Needle Valves The design of the SetRight needle valve system is such that, during normal operating conditions, the typical user will find that the range of adjustment allowed by the system is more than adequate for most situations. As a matter of fact, we intended this to be used as a tool to identify operating problems.
EN fuel to the field on any given day. This allows their main supply of fuel to stay at home in a controlled storage environment, virtually ensuring problem-free fuel. Tip: Do not store plastic fuel jugs on metal or concrete surfaces, this can also cause moisture contamination. How to Tell If Your Glow Plug Is Bad The glow plugs on the market today are designed to provide good service to the user and may last a long time or a short time, all dependent upon the way you choose to operate your engine.
EN .91 Evolution Engines Specifications Item Disp (c.i.) Bore (mm) Stroke (mm) Weight (oz) Crank K (ISO) .91 27.8 24.9 15.3 5/16 x 24 EVOE0910 Cylinder Propeller Ringed 14 x 7 @ 10,400 rpm F H BA G E = height* F = length C G= crankshaft thread size D H = muffler bolt spacing Dimensions A B C D E* F G H EVOE0910 42 52 25 64.2 86 92 5/16 x 24 42 * Height is from engine C/L to top of cylinder head.
EN Exploded View 31 1 2 3, 30 28 4 5 18, 31 30 6 17 16, 17, 30 29 12 15 14 19 13 30 11 10 9 7 20 21 22 32 23 27 24 25 26 12 8
EN 2-YEAR LIMITED WARRANTY What this Warranty Covers - Horizon Hobby, Inc., (Horizon) warrants to the original purchaser that the product purchased (the “Product”) will be free from defects in materials and workmanship for a period of 2 years from the date of purchase.
EN contact the appropriate Horizon Product Support office. Warranty Requirements - For Warranty consideration, you must include your original sales receipt verifying the proof-of-purchase date. Provided warranty conditions have been met, your Product will be serviced or replaced free of charge. Service or replacement decisions are at the sole discretion of Horizon.
©2013 Horizon Hobby, Inc. Evolution, Hangar 9, PowerPro, SetRight and the Horizon Hobby logo are trademarks or registered trademarks of Horizon Hobby, Inc. All other trademarks, service marks and logos are the property of their respective owners.