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848EW093A1 (901)
Model: G200PU
OWNER'S MANUAL
Model code: X374320000
Thank you for purchasing a ZENOAH engine.
● Please read this Service Manual thoroughly and use the engine correctly. (For safety
reasons, please contact your sales dealer prior to using the engine if there is something
about it that you do not understand.)
● This engine has been designed for radio control airplanes. Please use it in conjunction with
the manuals for the models or radio control equipment you will be using.
● Mod
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CONTENTS Specifications.......................................................................3 Safety Precautions...............................................................4 Engine Assembly .................................................................6 DC Ignition Unit Mounting ....................................................7 Fuel and Piping ....................................................................8 Throttle Linkage and Engine Mounting ................................9 I
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SPECIFICATIONS NO. ITEMS SPECIFICATIONS 1. Engine model G200PU 3 2. Displacement 20.1cm 3. Bore x stroke ø32mm x 25mm 4. Weight 990g (not including DC Ignition Unit) 5. Carburetor type WT-811 6. Ignition Battery ignition; digital control 7. Sparkplug Champion Y82 8. Rotating direction Counterclockwise (from PTO side) 9. Starting method External motor 10. Sensor gap 0.8 ~ 1.2mm (1.0mm ± 0.2mm) 11. Fuel consumption 1.0 / 9000rpm (at full throttle) 12. Noise (at 2-meter points) 98dBA (APC 15x10) 13
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SAFETY PRECAUTIONS ● These safety precautions are to prevent you and those in the vicinity from incurring harm or damage. Make sure to observe these precautions and to constantly strive to ensure safety. ● Safe use of the engine is your personal obligation and responsibility. Constantly take care to act with good judgment as you enjoy your hobbies. •Make sure never to touch the propeller when it is rotating. Also make sure that the propeller does not come in contact with the ground or with anyt
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SAFETY PRECAUTIONS • Special caution must be taken with all propellers used. Make sure to use them correctly, in keeping with the manufacturers’ operating manuals, etc. Failure to do so could result in injury. • Please wear clothing that facilitates your safety. Remove all scarves, overly long sleeves, neckties and the like. Failure to do so could result in injury. • Please check to ensure that the direction in which the engine’s throttle linkage operates and the amount it operates are correct
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ENGINE ASSEMBLY The carburetor, muffler, and air funnel have not been assembled. Please assemble them correctly, following the diagram shown below. Tightening (3) No. Part Part no. Quantity Torque (N-m) 1. Bolt 01252-30540 2 8.8 (1) 2. Muffler 848EW015A0 1 3. Gasket 1140-13141 1 (2) 4. Gasket 848H7014C1 1 (6) (7) 5. Carburetor set 848EW09710 1 (4) 6. Air funnel 848ES08300 1 (5) 7. Bolt 8488455000 2 3.4 The carburetor can be mounted anywhere 90 degrees apart on the top, bottom, left or right. M
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DC IGNITION UNIT MOUNTING 1. Make sure to install the power switch. 2. Push the sparkplug cap all the way over the sparkplug. (use gloves) 3. Fixate the unit within the fuselage, as shown in the diagram. Do not wrap surface D the unit by the sponge, cloth or the like. Gap: 5mm or more 4. The temperature of the bottom surface (D) of the unit, in particular, will surface D rise. Thus, when fixating surface (D), make sure to leave sufficient space (a gap). The temperature of the unit may rise to as
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FUEL AND PIPING ● For gasoline, please use either regular or high octane, for cars. (The octane number should be 85 or higher.) ● For oil, use a high-performing mixed lubrication type of 2-cycle engine oil (F3C grade or ISO EGC grade) and make the fuel volume ratio 1 (oil) to 25-40 (gasoline). ● For fuel piping, refer to the diagram shown below. (7) (2) (5) (1) (4) (5) (8) (3) (6) 1. Fuel tank Capacity of 300~400cc • Do not use a silicon tube. 2. Carburetor • Clip the weight so that it 3. Weigh
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THROTTLE LINKAGE AND ENGINE MOUNTING ● Mount the throttle arm to Stopper screw the carburetor’s throttle shaft as shown in the Throttle arm Shaft diameter: 4mm diagram or use the throttle (not supplied) valve stopper plate located at opposite side. Claw nut x4 M4 bolt x4 ● Mount the engine as shown in the diagram. CG line CG line Gloves Engine mount 10cm Fuselage bulkhead (firewall): 9kg 8mm or more, with hard board Tightening torque: ● For propeller mounting, use the 90kg-cm wrench provided
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ITEMS TO CONFIRM BEFORE STARTING THE ENGINE ● Please determine the propeller to use in keeping with the airplane’s size, gross weight, and flight characteristics. If necessary, consult with someone who has the proper experience. Guidelines for an APC propeller: about 8.300rpm / 15x10, about 8,900rpm / 15x8 ● Fuel pump for gasoline ● Electric starter device ● Make sure that during the fueling process, the fuel does not come in contact with the battery or that fuel that has overflowed does not co
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STARTING THE ENGINE ● Close the choke lever and open the throttle valve 10% to 15%. ● Pressing the tip of the starter to the engine’s spinner, press the start switch for 1-2 sec and let the engine rotate. ● If the engine has made an explosive sound, suspend the starting operation and start by opening the choke lever and rotating the engine using the starter. (Opening or closing the choke lever during engine operation is prohibited.) ● If the engine will not start, leave the choke lever in the o
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ADJUSTMENTS AFTER ENGINE STARTUP Standard settings: (A) ADJUSTING THE IDLING 1 L: turns 1 8 ● After engine startup, set the idling at about 2000rpm, turn the L needle to the right (to 1 1 H: turns 2 reduce fuel), and search for the position for the max. engine speed. From that position, turn the L needle about 1/4 (90°) to the left (to increase fuel), set the idling speed with the idle H needle L needle screw or the transmitter. (B) ADJUSTING NUMBER OF ROTATIONS AT FULL THROT
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MAINTENANCE To ensure safe use of the engine, make sure of the items specified in the table below. Before Every Every Item Inspection using 25h 100h Cylinder, carburetor, muffler, Leakage & breakage ✔✔✔ crankcase, Fuel pipe, etc. Idling stability ✔✔✔ Is it stable? Is acceleration okay? Sparkplug – ✔✔ Remove deposit; adjust air gap Cylinder – ✔✔ Check for wear & scratches Piston/Ring – ✔✔ Check for wear & scratches Muffler tightening bolt ✔✔✔ Retighten Ignition unit ✔✔✔ Check for damage Check fo
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TIGHTENING TORQUE CHART Tightening Torque Part Screw Size N-m Kg-cm Remarks Cylinder M4 (P0.7) 3.9 40 Sparkplug M10 (P1.0) 7.8 80 Using the tool provided Muffler M5 (P0.8) 8.5 90 Crankcase M4 (P0.7) 3.9 40 Insulator M4 (P0.7) 3.4 35 Carburetor M5 (P0.8) 3.4 35 Sensor M4 (P0.7) 1.7 20 Stud (hub) M6 (P1.0) 9.8 100 Using a piston stopper & LOCK TIGHT Nut (propeller) M8 (P1.25) 8.8 90 Using the tool provided Engine mount M4 (P0.7) 2.0 20 PROPELLER HUB REMOVAL ● Remove the propeller hub as specified
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CAUTION: ● Remove the sensor. ● Make sure that nut turned with a spanner is nut on the propeller hub side. ● Use a commercial puller of the appropriate size. ● When reassembling the stud bolt, apply LOCK TIGHT to the M6 thread part. OTHER INFORMATION This information is to enable our customers to enjoy radio control airplanes more, but all customers must take responsibility if they implement it. ● With this engine, the muffler side and the carburetor can be reversed by re-assembling the cylinde
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PARTS LIST Q'TY/ KEY# PART NUMBER DESCRIPTION REMARKS UNIT 1 848EW08100 CARBURETOR ASSY 1 2 3306-81380 • SCREEN 1 3 3080-81120 • COVER 1 4 3310-81130 • SCREW 1 5 3304-81140 • GASKET 1 6 1172-81150 • DIAPHRAGM 1 7 2850-81290 • GASKET 1 8 3310-81260 • DIAPHRAGM 1 10 3310-81280 • METERING COVER 1 12 2867-81270 • SPRING 1 13 3356-81310 • VALVE, inlet 1 14 1480-81420 • PLUG, welch 1 15 3310-81230 • LEVER 1 16 3310-81240 • SCREW 1 17 3310-81250 • PIN 1 18 2630-81330 • SCREW 1 19 3350-81380 • SPRING 1
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PARTS LIST 18
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PARTS LIST Q'TY/ Q'TY/ KEY# PART NUMBER DESCRIPTION REMARKS KEY# PART NUMBER DESCRIPTION REMARKS UNIT UNIT 1 848EW012A1 CYLINDER 1 25 1152-43290 WASHER 1 2 848EW012B0 GASKET, cylinder 1 26 8488608000 NUT 1 38488441800BOLT 6 27 848EW071N0 SENSOR 1 4 848EW014A0 INSULATOR 1 28 8488441400 BOLT 2 5 848EW014B1 GASKET, insulator 1 29 3699-92369 SPARK PLUG 1 Y82 6 848EW02110 CRANKCASE COMP. 1 30 848EW053X0 MOUNT PLATE 1 7 848EW021D0 GASKET, case 1 31 3819-54780 SCREW 4 8 1155-21240 BEARING 1 32 848EW07
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WARRANTY ● Scope of Application This warranty applies only to the engines and parts manufactured by ZENOAH and sold directly or through distributors. ● Limit of Warranty This warranty shall apply only to trouble resulting from material defects and inferior assemblies that ZENOAH acknowledges. ● Method and Limit of Compensation 1) Repair or replacement through the distributor, etc. 2) ZENOAH and its distributors shall not provide compensation for incidental loss to engine purchasers resulting fro
