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XYZ 53 STS Manual

Thank you for purchasing a XYZ 53 STS engine

Please read this Service Manual thoroughly and use the engine correctly (For safety

reasons, please contact you the dealer to using the engine if there is something about it

that you do not understand.).

Model: XYZ 53 STS

Ignition: DC-CDI (4.8 – 6 V )

Fuel model number: 93# or higher octane value

Cooling: Air cooled

Lubricate Oil: Two Cycle Oil

Mixing Ratio: 25-40 : 1

Max output : 5.5HP

Rpm Range: 1900- 9000rpms

Spark Plug ：NGK CM-6

Propeller: 20x8 ，22x8 ，22x10 (Two Blade)

Bore x Stroke: 34 mm x 29 mm

Net Weight: 1..2 kg (Includes Ignition & muffler)

Summary of content (10 pages)

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XYZ 53 STS Manual Thank you for purchasing a XYZ 53 STS engine Please read this Service Manual thoroughly and use the engine correctly (For safety reasons, please contact you the dealer to using the engine if there is something about it that you do not understand.). Model: XYZ 53 STS Ignition: DC-CDI (4.8 – 6 V ) Fuel model number: 93# or higher octane value Cooling: Air cooled Lubricate Oil: Two Cycle Oil Mixing Ratio: 25-40 : 1 Max output : 5.
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5. Check all batteries 6. Check servo functions Waring! 7. Check to see that the ignition switch is OFF 8. Check pressure (6-8 bar) system of retract (if applicable) 1. This gasoline engine is just designed for the model airplane , please don`t use in on the other occasion. 9. Check all linkages for play 10. Check your wheels for possible damage and easy running 2. We are obligated to having products which make the defect to offer the service. 11.
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Malfunction and Elimination: l After install the engine doesn’t start up.Please check whether the power supply the 9. Properly mount your ignition to avoid overheating joint connecting is right or not, if not, please connect it correct. 10. Use the correct battery and regulator (if applicable) for your ignition l Check whether the voltage is right or not（4V-6.8V）. 11. Use the correct switch for your ignition l Check whether the Hall parts link is right or not. 12.
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IGNITION UNIT MOUNTING 1. Make sure to install the power switch． Temperature: -20～85℃ 2. Push the spark plugs cap all the way over the spark plugs.(use gloves) Relative humidity: 80% 3. Fixate the unit within the fuselage far away from the receiver by cable ties. Introductions for Use: Caution: If the power voltage is more than 7V, it will destroy the Ignition.
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28 53sts-28 Carburetor 29 53sts-29 Carburetor gasket 1 1 30 53sts-30 leaf valve 1 31 53sts-31 32 53sts-32 leaf valve gasket Crankcase comp 33 53sts-33 Crankcase comp 34 53sts-34 Bolt 35 53sts-35 Muffler B 1 1 1 4 1 ●Fuel pump for gasoline ●Electric starter device ●Make sure that during the fueling process.
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Code 0 Mode Code 53sts-0 rotate the engine by pressing the starter for 1-2 second． If the engine still not starts, 1 53sts-1 Crank Connecting rod repeat this operation 2 or 3 times． 2 53sts-2 Bearing 3 53sts-3 Crankcase comp 4 53sts-4 Bolt 5 53sts-5 Hall support 6 53sts-6 Bolt 7 53sts-7 Steel cable baffle ring 8 53sts-8 Bearing 9 53sts-9 Wave washer 10 53sts-10 Hub 11 53sts-11 Shaft 12 53sts-12 Hub washer 13 53sts-13 14 53sts-14 Semicircular spline 15 53sts-15
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●From the position of the max. engine speed, open the H needle 1 1/2 circle(to increase fuel)to make the setting. In general, consider 100rpm to be the difference between the max. Engine speed and the set engine speed.After making the setting, return to idling. Accelerate rapidly and confirm that there are no problems with acceleration. If acceleration is poor, open the L needle an additional 1／8th(45 degree) and confirm that acceleration is smooth.
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ENGINE RUNNING TIME 1.Because this engine uses a battery for power supply，the engine’s continuous running Note: For break-in a smaller propeller is recommended. Important: 1.Remember that when the engine running ever person must stay behind the line of the rotating propeller; never to the side or the front! 2.The engine needs 12-20 hours running time for the break in process to be 100% complete. Engine Cooling A proper cooling system is vital for any engine.
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