The propeller may throw such materials into prior to installation of the engine. Failure to do so may your eyes. The engine could also ingest these harmful cause damage to the Zenoah engine and/or the airframe. materials. Securely tighten the propeller nut against the washer and propeller.
Zenoah engines. Attached you will find an exploded view Always use common sense, skill and constant obser- of Zenoah engines, as well as a chart including part vance of safety precautions. numbers and descriptions. This will assist you in easily and rapidly identifying the respective parts of your Zenoah engine.
1. Make sure the spark (glow) plug(s) are installed and tightened. Check the condition of the plug cap for cracks Zenoah engines are equipped with the ultra compact or breaks. C.D.I. type flywheel magneto ignition system and should be started according to the following procedure: 2.
Please the temperature, humidity, atmospheric pressure (alti- refer to the propeller chart on page 10 to confirm the tude), etc., of the area where the engine is being used. proper propeller for the applicable Zenoah engine. ® Low-Speed Needle Starting the Engine—...
® engine, the following is recommended: • Brush 1. Use a Zenoah quality 2-stroke oil mixed at 32 to 1. • Scraper 2. Use the recommended spark plugs. • Cloth 3. Use the proper propeller size and balance the pro- The engine can be disassembled or reassembled without peller prior to use.
Engine Care and Maintenance (continued) c. Remove the rotor by using the puller. Do not hit 7. Wipe the contact surfaces of the cylinder block the crankshaft with the plastic hammer, as this can and crankcase, and apply liquid gasket (Permatex increase the runout of the shaft.
Engine Care and Maintenance (continued) Maintenance Chart Items Every 25 hours Every 100 hours Note Action Before Use Leakage, Check Damage/Crack Losing Speed Check/Adjust Air-cleaner (PUH) Replace if necessary Check/Cleaning Spark Plug (gap) Check/Adjust Cylinder (barrel) Check/Cleaning Piston, Ring Check/Cleaning Muffler &...
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Engine Care and Maintenance (continued) Maintenance Specifications Standard Limit Standard Limit Items Measuring Device Remarks Cylinder ø34 Plating damaged ø32 Plating damaged Bore (mm) Eye Checking At the skirt end and the right angle to the ø31.87 Micro Meter Diameter (mm) ø33.97 ø33.87 ø31.97...
Troubleshooting Guide for Gasoline Engines Generally speaking, there are very few things that will installed. Should the engine fail to start after these items keep today’s modern engines from starting. Use good are verified, refer to the charts on the following page. quality “fresh”...
® initial setup of your Zenoah engine. APC brand props. Remember, it’s imperative to balance each propeller prior to installation onto your Zenoah engine. Failure to do so may cause unwanted vibration in your aircraft. ENGINE PROPELLER G26A 16x8 @ 8,700...
Exploded Illustration (Standard Accessory for G380PU) Q’ty/ Q’ty/ Q’ty/ Index Index Index unit unit unit No. Part No. Description No. Part No. Description No. Part No. Description ZEN3821 ZEN3837 ZEN3801 MODULE PIN RETAINER CYLINDER ZEN3822 ZEN3838 ROTOR ZEN3802 CONROD SPACER INSULATOR ZEN3823 ZEN3839...
Exploded Illustration Index Q’ty/ Index Q’ty/ Index Q’ty/ No. Part No. Description unit No. Part No. Description unit No. Part No. Description unit ZEN4501 ZEN4504 ZEN6237 CYLINDER BOLT IGNITION COIL ZEN4502 ZEN4522 ZEN6238 INSULATOR PIPE PLUG CAP BLACK ZEN4503 ZEN4523 ZEN6239 INSULATOR GASKET PISTON...
Exploded Illustration * (Accessory for G620PU-1) Index Q’ty/ Index Q’ty/ Index Q’ty/ No. Part No. Description unit No. Part No. Description unit No. Part No. Description unit ZEN6201 ZEN6221 PISTON RING ZEN6239 PLUG CAP SPRING CYLINDER ZEN6202 ZEN6222 ZEN6240 PISTON PIN IGNITION COIL SCREW INSULATOR GASKET ZEN6203...
Exploded Illustration GT80 Index Index Index Q’ty/ Q’ty/ Q’ty/ No. Part No. Description No. Part No. Description unit Description unit No. Part No. unit ZEN44501 ZEN44522 ZEN44543 CYLINDER PISTON PIN MOUNT ZEN44502 ZEN44523 ZEN44544 MANIFOLD PIN RETAINER BOLT ZEN44503 ZEN44524 ZEN44545 MANIFOLD GASKET BEARING...
Horizon Service Center We accept both Visa and MasterCard for payment. Attn: Zenoah Service Please include your card number and expiration date. 4105 Fieldstone Road Champaign, IL 61822 The Consumer Warranty Registration below must be...
Fill in and mail this form along with your dated sales receipt (send a copy, keep the original for your files) within 10 days of purchase to: Horizon Service Center Attn: Zenoah Warranty Dept. 4105 Fieldstone Road Champaign, IL 61822 Engine Type:...