Zenoah G300PUM Owner'S Manual Download Page 20 | Manualshive

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14. Parts List

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Summary of Contents for G300PUM

Page 1: ...ts which have been certified by Zenoah Zenoah assumes that no responsibility for this engine that is modified or used for any other applications Purchaser has all responsibilities against any laws and...

Page 2: ...micals known to the State of California to cause cancer birth defects or other reproductive harm WARNING AVERTISSEMENT ADVERTENCIA Los gases de escape del motor de este producto contienen sustancias q...

Page 3: ...f it is damaged replace it with a new one If the screw propeller hit something while the engine is in operation immediately stop the engine and check it Start the engine on a flat surface without pebb...

Page 4: ...to the Fig 1 Make sure that gasket and carburetor are mounted as described in fig 1 The engine does not start if carburetor is mounted upside down position CAUTION 2 Engine Assembling 2 3 4 5 6 1 1 En...

Page 5: ...sure that the engine should be mounted at least by 4 points both at engine s PTO side and recoil starter side Note 1 Be sure to set flat washers or metal plates on the reverse side of the mount to pr...

Page 6: ...the maximum output is generated by using the exhaust system you are going to select And then decide the appropriate screw propeller that would meet such engine speed rpm that the exhaust system requi...

Page 7: ...MTBE Methyl tertiary butyl ether Gasoline containing Methanol Wood Alcohol is NOT approved 2 Gasoline is very flammable Avoid smoking bringing any fires near fuel 3 To prevent all possible problems o...

Page 8: ...y c In cold starting when the engine doesn t start Partially choke the air intake of carburetor by finger to make engine fire 6 Starting For stopping the engine the black lead wire from the coil shoul...

Page 9: ...ng on the temperature atmospheric pressure altitude etc of the area where the engine is used Start the engine without making any adjustments Make readjustments only when the engine shows any mal runni...

Page 10: ...at a position which is 1 4 open from best mixture maximum R P M position High Speed needle Turning this needle clockwise makes the mixture gas leaner and turning it counterclockwise richer Set this ne...

Page 11: ...the boat it may be better to operate the engine at slow RPM for 1 3 tank and mid high RPM for 2 3 tank The engine is already tuned up to get high performance and needs correct maintenance to keep such...

Page 12: ...ours Note Leakage Check Damage Crack Idling Speed Check Adjust Spark Plug gap Check Adjust Replace if necessary Cylinder barrel Check Cleaning Piston Ring Check Cleaning Muffler Bolt Check Cleaning Be...

Page 13: ...e x stroke mm 36 x 29 Displacement cm3 29 5 Effective Compression Ratio 8 6 Carburetor type Walbro WT 1048 Venturi mm 13 5 Air funel Starting Recoil Starter Ignition type CDI BTDC rpm 30 7000 Sparkplu...

Page 14: ...ance between Groove and 0 02 0 04 0 1 Thickness Gauge Piston Ring mm End Gap mm 0 05 0 25 0 5 Thickness Gauge Width mm 0 98 0 93 Micro Meter Piston Pin Diameter mm 8 7 98 Micro Meter Connecting Rod Sm...

Page 15: ...1 8 5 IGNITION SYSTEM Items Standard Limit Measuring Device Remarks Spark Plug Air Gap mm 0 6 0 7 0 7 Thickness Gauge Ignition Coil Rotor Air Gap mm 0 3 0 4 Thickness Gauge 1160 71211 185 Coil core Re...

Page 16: ...2 7 130 9 8 14 7 100 150 Cylinder M5 P 0 8 6 9 70 4 9 8 8 50 90 Crankcase M5 P 0 8 5 9 60 4 9 6 9 50 70 Spark Plug M10 P 1 0 10 8 110 8 8 12 8 90 130 Muffler M5 P 0 8 8 8 90 6 9 9 8 70 100 IG Coil M4...

Page 17: ...earance Usage 1 Puller Assy 577409701 To remove rotor 2 Piston Stopper 4810 96220 3 Hex Wrench 3304 97611 4 Snap Ring Pliers 5500 96110 To remove snap ring To hold crankshaft when disassembling assemb...

Page 18: ...1 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 ric...

Page 19: ...nge 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 Cleani...

Page 20: ...20 14 Parts List...

Page 21: ...L 1 63 3699 91975 SPARK PLUG CMR6H 1 Option 64 3699 91867 SPARK PLUG CMR7H 1 Option 65 577409701 PULLER ASSY 1 Option 66 4810 96220 STOPPER 1 Option 1 577916501 CYLINDER 1 2 577901901 JACKET 1 3 07851...

Page 22: ...11 3310 81280 COVER 1 12 3310 81240 SCREW 1 13 3310 81250 PIN 1 14 3310 81230 LEVER 1 15 1480 81420 PLUG 1 16 3356 81340 VALVE THROTTLE 1 17 2880 81470 SCREW 1 18 2670 81410 RETURN SPRING 1 19 2609 8...

Page 23: ...cing through distributor manufacture 2 Zenoah shall not compensate any other accompanied or benefit losses caused to user and distributor manufacture by such faults and through repairing or replacing...

Page 24: ...Head Office 1 9 Minamidai Kawagoe city Saitama 350 1165 Japan Phone 81 49 243 1115 Fax 81 49 243 7197...

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