Honda WMP20X Manual Download

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Summary of Contents for WMP20X

Page 1: ...any service task be especially careful of the following Read all of the instructions before you begin and make sure you have the tools the replacement or repair parts and the skills required to perform the tasks safely and completely Protect your eyes by using proper safety glasses goggles or face shields anytime you hammer drill grind or work around pressurized air pressurized liquids springs or ...

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Page 4: ...WMP20X SPECIFICATIONS SPECIFICATIONS 1 2 PERFORMANCE CURVES 1 3 1 1 ...

Page 5: ...ime 1 2 WMP20X 520 x 400 x 450 mm 20 5 x 15 7 x 17 7 in 25 5 kg 56 2 lbs GX160K1 4 stroke overhead valve single cylinder inclined by 25 163 cc 9 9 cu in 68 x 45 mm 2 7 x 1 8 in 8 5 1 Forced air Transistorized magneto ignition 25 B T D C Fixed BPR6ES NGK W20EPR U ND Horizontal type butterfly valve Dual element tyoe Splash 0 6 I 0 63 US qt 0 53 Imp qt Recoil or electric starter Ignition primary circ...

Page 6: ...etween pump discharge capacity and total head As you increase the total head the discharge capacity will decrease c 601 1 t t 1 f 2 401 1 t t 1 20t t 1 1 50 Revised June 2007 61YE0600 PSV50825 B American Honda Motor Co Inc 100 150 DISCHARGE CAPACITY gal min 200 250 1 3 ...

Page 7: ...1 4 This page intentionally left blank WMP20X Revised June 2007 61YE0600 PSV50825 B American Honda Motor Co Inc ...

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Page 10: ...ance Big end side clearance 18 002 mm 0 7087 in 30 02 mm 1 182 in 0 040 0 063 mm 0 0016 0 0025 in 0 1 0 4 mm 0 004 0 016 in 13 07 mm 0 519 in 30 066 mm 1 1837 in 0 12 mm 0 005 in 1 1 mm 0 043 in Crankshaft Crank pin OD 29 98 mm 1 180 in 29 92 mm 1 178 in Valves Valve clearance cold IN EX Stem OD IN EX Guide ID IN EX Stem clearance IN EX Seat width IN EX Spring free length IN EX 0 15 0 02 mm 0 006 ...

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Page 17: ... C C C C C C C C C C 77C47BC 6 9 C 84 C C C 5 C 2 0 6C8 9 C 4 6C7 C 3 C 3 C 197 4 C79C 7A 9679C C C 77C02 0C 799 C C C C C C C C ...

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Page 19: ... oil to the outer edge of the oil filler neck Reinstall the filler cap dipstick Recommended engine oil SAE 10W 30 is recommended for general all temperature use service category SJ or later Other viscosities shown in the chart may be used when the average temperature in your area is within the indicated range Engine oil capacity 0 6 0 63 US qt WARNING Used engine oil contains substances that have ...

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Page 21: ... 71 N75NA N 5N 7F NH 5NA 9 A75N N ANA79N N 5A N7 NA N 739 75N7 N J D A A 7 5 AN N 1 N D N AI 5N A N 7 N 3N 5 NF 1F NA7 3 D NF 1F N 1 5 N M N33N A 5 NF 1F N M N 5 N 1 5 N M N33N M N 5 N N D A3 5AN N5 K N 9 7 N N 7117H N 71 N A N 7 N 3N 9 F7AN 5 N 177 5N A N 7 N 3 9 E7AN07 N5DA N D 5NA N 7 N 3N 9 F7AN A7N 7 A 5N A N 9 N 1 L 5 A A 5NA N 7 N 3N9 F7AN07 N5DANH 1 N 71 5 NA 7 N 3N9 F7A N NF 1F N 1 5 N A ...

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Page 38: ...WMP20X Revised May 2011 PSV61YE0600 C 6 3 b DISASSEMBLY REASSEMBLY ...

Page 39: ...fornia law 1 When the limiter cap has been broken off remove the broken pilot screw 2 Place the spring on the replacement pilot screw and install it on the carburetor 3 Turn the pilot screw in until it is lightly seated then turn the screw out the required number of turns 4 Apply LOCKTITE 638 to the inside of the limiter cap then install the cap so its stop prevents the pilot screw from being turn...

Page 40: ... caustic These cleaners may damage plastic parts such as O rings floats and float valve seats Check the container for instructions If you are in doubt do not use these products to clean Honda carburetors High air pressure may damage the carburetor Use low pressure settings when cleaning passages and ports 1 Clean the carburetor body with high flash point solvent 2 Use low air pressure to clean the...

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Page 51: ...park plug hole and valve areas for cracks Check the cylinder head for warpage with a straight edge and a feeler gauge COMBUSTION CHAMBER CLEANING Attach a soft wire brush to an electric drill and clean any carbon deposits from the combustion chamber NOTICE Do not remove the valves from the cylinder head when cleaning the combustion chamber this could damage the valve seats Do not press the wire br...

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Page 57: ...GENERAL INFO 35 ...

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Page 67: ...SERVICE BULLETIN 4 ...

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