Echo HCR-1510 Service Data

Contents

3SERVICE INFORMATIONHCR-15101-2 Technical dataEngineIdling speed r/min 2400 - 3200Wide open throttle speed r/min 7900 - 8500Clutch engagement speed r/min 3500 - 4100Compression pressure MPa (kgf/cm 2 ) (psi) 0.69 (7.0) (100)Ignition systemSpark plug gap mm (in) 0.6 - 0.7 (0.024 - 0.028)Minimum secondary voltage at 1500 r/ min kV 15Primary coil resistance Ω 250 - 400Secondary coil resistance kΩ 2.4 - 3.2Pole shoe air gaps mm (in) 0.30 - 0.35 (0.012 - 0.014)Ignition timing at 3000 r/min °BTDC 20.0at 7000 r/min °BTDC 42.0at 8000 r/min °BTDC 19.0at 8500 r/min °BTDC 15.0CarburettorVenturi size mm(in) 8.5 (0.34)Throttle bore mm(in) 12.7 (0.5)Idle adjust screw initial setting turn in* 2 3/4H mixture needle initial setting turn back 1 1/2L mixture needle initial setting turn back 1 1/2Test Pressure, minimum MPa (kgf/cm 2 ) (psi) 0.05 (0.5) (7.0)Metering lever height mm (in) 0.1 - 0.25 (0.004 - 0.010) lower than diaphragm seatBTDC: Before top dead centre.* Set idle speed screw to contact throttle plate before initial setting.