9TECHNICAL DATAModel EY2650HDimension: L x W x H mm 2,720-3,920 x 223 x 240Weight kg 7.2Fuel tank volume cm3 600Chain oil tank volume cm3 120Engine displacement cm3 25.4Max. chain speed m/s 21.0Maximum engine performance 0.77 kW at 7,000 min -1Engine speed at recommended max, spindle speed min -1 10,000Idling speed min -1 3,000Clutch engagement speed min -1 4,400Carburetor Diaphragm typeSpark plug Type NGK CMR4AElectrode gap mm 0.7 - 0.8Fuel Automobile gasoline (petrol)Engine oil API grade SF class or higher, SAE 10W-30 oil(automobile 4-stroke engine oil)Cutting length mm 255Guide bar length mm (inch) 255 (10”)Saw chain 91VXL-39EChain pitch inch 3/8”Chain gauge mm (inch) 1.3 (0.05”)Number of sprocket teeth 7Chain oil Makita genuine chain oilChain oil pump Plunger pump (Self lubricating type)Vibration per ISO 22867Right grip(rear grip)a hv eq (Shaft inshortest position) m/s² 5.3ahv eq (Shaft inlongest position) m/s² 6.1Uncertainty K m/s² 2.0Left grip(front grip)ahv eq (Shaft inshortest position) m/s² 7.2ahv eq (Shaft inlongest position) m/s² 8.6Uncertainty K m/s² 2.0Sound pressure level average per ISO 22868LPA eq dBA 89.5Uncertainty K dBA 2.5Sound power level average per ISO 22868LWA eq dBA 107.3Uncertainty K dBA 2.5• Due to our continuing program of research and development, the specifications herein are subject to change without notice.• Specifications may differ from country to country.