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20

TROUBLE SHOOTING

2)  LACK OF POWER OR UNSTABLE RUNNING

Description

Cause

Countermeasure

Compression is normal 

1. Air penetration from fuel pipe joints, etc

Secure connection

and no misfire

2. Air penetration from intake tube joint or 

Change gasket or tightening screws

carburetor joint

3. Water in fuel

Change with good fuel

4. Piston start to seizure

Replace piston(and cylinder)

5. Muffler choked with carbon 

Cleaning

Overheating

1. Fuel too lean

Adjust carburetor

2. Clogging of cylinder fin with dust

Cleaning

3. Poor fuel quality

Exchange with proper fuel

4. Carbon deposited in the combustion chamber

Cleaning

5. Spark plug electrode red hot

Thoroughly clean, adjust spark gap
[ 0.6~0.7(0.023~0.028in) ]

Others

1. Dirty air cleaner

Wash with mixed gasoline

2. Over loading

Reduce load

Содержание 966669901

Страница 1: ...for the use of radio control car Please use this engine in conjunction with the manual for radio control car or radio control equipment you are going to use Any modification of the engine or any use...

Страница 2: ...2...

Страница 3: ...S 4 SAFETY PRECAUTIONS 5 FUEL 7 ENGINE STARTING 8 OPERATION 9 MAINTENANCE 10 SPECIAL TOOLS 15 SERVICE GUIDE 16 TROUBLE SHOOTING 19 PARTS LIST G240RC 22 PARTS LIST G270RC 26 PARTS LIST G290RC 30 WARRAN...

Страница 4: ...C Overall Size L x W x H 166 x 205 x 196mm Weight 2 07kg Displacement 22 5cm3 25 4cm3 28 5cm3 Clutch Engagement 6000rpm STD Spring Carburetor Type WT 990 Spark Plug NGK CMR7H Spark Plug Gap 0 65mm Rot...

Страница 5: ...of the reach of infants and children The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm WARNING AVERTISS...

Страница 6: ...he engine mounting unit and the peripheral parts Please wear clothing that facilitates your safety Remove all scarves To prevent burns make sure not to touch the engine while it is operating or immedi...

Страница 7: ...r up to 15 MTBE Methyl tertiary butyl ether Gasoline containing Methanol Wood Alcohol is NOT approved 2 Gasoline is very flammable Avoid smoking and any fires near fuel 3 To prevent all possible probl...

Страница 8: ...Fig 3 Open the choke Fig 2 throttle idle 1 4 open Pull the starter quickly Operate engine for a few minutes for the warming up In case of engine warm condition choking may not be necessary Over chokin...

Страница 9: ...gh speed and needs correct maintenance to keep such high performance The details for operation may be described in the separate owners manual to be issued by car manufacturer Be sure to have the engin...

Страница 10: ...00 hours Note Leakage Check Damage Crack Idling Speed Check Adjust Air cleaner Check Cleaning Replace if necessary Spark Plug gap Check Adjust Cylinder barrel Check Cleaning Piston Ring Check Cleaning...

Страница 11: ...Starting Recoil Starter Type TCI Ignition Timing BTC 30 8000rpm Standard CMR7H NGK CR8HIX with Terminal Nut Option Hot Type CMR6H Clutch Engagement Speed rpm 6000 STD Spring No load max Speed rpm 195...

Страница 12: ...Groove and 0 02 0 04 0 1 0 02 0 04 0 1 0 02 0 04 0 1 Thickness Gauge Piston Ring mm End Gap mm 0 05 0 25 0 5 0 05 0 25 0 5 0 05 0 25 0 5 Thickness Gauge Width mm 0 78 0 73 0 98 0 93 0 98 0 93 Micro M...

Страница 13: ...ve Closing Pressure kg cm2 0 7 1 7 Leak Tester 5 IGNITION SYSTEM Items Standard Limit Measuring Device Remarks Spark Plug Air Gap mm 0 6 0 7 0 7 Thickness Gauge Ignition Coil Flywheel Air Gap mm 0 3 0...

Страница 14: ...9 4 9 with Locktight glue Clutch M6 P 1 0 6 4 4 9 7 8 Rotor M8 P 1 0 12 7 9 8 14 7 Cylinder M5 P 0 8 6 8 4 7 8 8 Crankcase M5 P 0 8 6 4 4 9 7 8 Spark Plug M10 P 1 0 10 8 8 8 12 8 Muffler M5 P 0 8 8 8...

Страница 15: ...Piston Stopper 4810 96220 3 Rod Assy 1101 96220 To remove install piston pin 4 Air Gap Gauge 3330 97310 To set ignition coil 5 Hex Wrench 3304 97611 6 Snap Ring Pliers 5500 96110 To remove snap ring T...

Страница 16: ...spark plug and fit the stopper 4810 96220 into the plug hole 3 Remove clutch bolts 14mm Hex 2 REMOVING ROTOR FAN 4 Remove the rotor nut 12mm Hex 5 Remove the rotor using the puller assy 2890 96100 Ap...

Страница 17: ...tor Air Gap 0 3 0 4mm 4 REMOVING PISTON PIN 1 Remove snap rings from both sides of the piston pin 2 Engage the rod assy 1101 96220 to the piston pin and gently tap with a plastic hammer to push out th...

Страница 18: ...during engine operation and damage the engine 6 CARBURETOR ADJUSTMENT The carburetor comes with a standard setting it is for optimum performance under the barometric pressure and climatic conditions...

Страница 19: ...Switch is OFF ON the switch 2 Switch failure Exchange 3 Primary wiring earthed Repair Sparks appear in the spark plug Compression 1 Over sucking of fuel Drain excess fuel fueling is normal 2 Too rich...

Страница 20: ...Water in fuel Change with good fuel 4 Piston start to seizure Replace piston and cylinder 5 Muffler choked with carbon Cleaning Overheating 1 Fuel too lean Adjust carburetor 2 Clogging of cylinder fin...

Страница 21: ...21 PARTS LIST...

Страница 22: ...22 PARTS LIST G240RC X374323111...

Страница 23: ...23 G240RC X374323111...

Страница 24: ...1150 DIAPHRAGM 1 65 1751 81470 GASKET 1 66 3310 81260 DIAPHRAGM 1 67 T2070 81210 BODY A 1 68 1751 81520 COVER 1 1 848ER812A0 CYLINDER 1 2 579 24 83 01 GASKET CYL 1 3 3310 12281 BOLT 4 M5x20L 4 1148 13...

Страница 25: ...129 1764 51220 SPRING 5000rpm IN 1 OP 130 3699 91975 SPARKPLUG NGK CMR6H 1 OP 131 3699 91809 SPARKPLUG Champion RZ7C 1 OP 69 1751 81510 PUMP 1 70 2867 81270 SPRING 1 71 3356 81310 VALVE inlet 1 72 14...

Страница 26: ...26 PARTS LIST G270RC X374326111...

Страница 27: ...27 G270RC X374326111...

Страница 28: ...1150 DIAPHRAGM 1 65 1751 81470 GASKET 1 66 3310 81260 DIAPHRAGM 1 67 T2070 81210 BODY A 1 68 1751 81520 COVER 1 1 848ET812A0 CYLINDER 1 2 579 24 83 01 GASKET CYL 1 3 3310 12281 BOLT 4 M5x20L 4 1148 13...

Страница 29: ...129 1764 51220 SPRING 5000rpm IN 1 OP 130 3699 91975 SPARKPLUGNGK CMR6H 1 OP 131 3699 91809 SPARKPLUG Champion RZ7C 1 OP 69 1751 81510 PUMP 1 70 2867 81270 SPRING 1 71 3356 81310 VALVE inlet 1 72 148...

Страница 30: ...30 PARTS LIST G290RC 966669901...

Страница 31: ...31 PARTS LIST G290RC 966669901...

Страница 32: ...0 DIAPHRAGM 1 65 1751 81470 GASKET 1 66 3310 81260 DIAPHRAGM 1 67 T2070 81210 BODY A 1 68 1751 81520 COVER 1 1 574 79 09 01 CYLINDER 1 2 579 24 83 01 GASKET CYL 1 3 3310 12281 BOLT 4 M5x20L 4 1148 131...

Страница 33: ...1764 51220 SPRING 5000rpm IN 1 OP 130 3699 91975 SPARKPLUGNGK CMR6H 1 OP 131 3699 91809 SPARKPLUG Champion RZ7C 1 OP 69 1751 81510 PUMP 1 70 2867 81270 SPRING 1 71 3356 81310 VALVE inlet 1 72 1480 81...

Страница 34: ...ants that 1 The quality disclosed in the specifications 2 The engine which shall be considered defective by Zenoah caused by material or production fault 3 Limits of Compensation 1 Zenoah compensates...

Страница 35: ...e even if the fault has been caused during the period of terms of Warranty in case that 1 Any faults failures caused from neglect of proper operation and maintenance described in OWNER S MANUAL 2 Any...

Страница 36: ...1 9 Minamidai Kawagoe city Saitama 350 1165 Japan Phone 81 49 243 1117 Fax 81 49 243 7197...

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