| Mode | MH209-44F | MH209-48F | MH209-50F | | Engine model | 1E44F-5 | 1E48F | 1E50F | | Displacement | 52cc | 62cc | 71cc | | Rated output power | 1.7KW | 2.2KW | 2.4KW | | Engine type | Single cylinder, two-stroke, air-cooled | | Start system | Recoil starter | | Clutch system | Automatic centrifugal | | Oil/Fuel mixture ratio | 25:1 | | Fuel tank capacity | 1.1L | | Driller diameter | 100/150/200/300/400mm | | Drill length | 80cm/100cm | | Idling speed | 3200+/-200rmp | | Max engine speed | 9200+/-200rpm | | Carburetor | Diaphgram | | Driving mode | Worm drive | | Drive ratio | 34:1 | | MEAS | 60*39*28cm | | G.W/N.W | 12/10kgs |
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