Echo EDR-2400 - Manual (Page 3)

1-2 Technical data
Models EDR-2100 EDR-2100/1E EDR-2400 EDR-2400/1E
Engine
Idling speed rpm 2500 - 3500
Engine speed at maximum power rpm 7000
Maximum speed rpm 9000
Clutch-in speed rpm 4000
Compression pressure kgf/cm 2 (psi) 9.5 (135) 8.5 (120)
Carburetor
Main jet #37 #38
Metering needle initial setting turns in 12* - - - - - -
Test pressure, minimum kgf/cm 2 (psi) 0.5 (7.0)
Metering lever height mm(in) 1.5 (0.06) lower than diaphragm seat
Ignition system
Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 1000 rpm kV 15
Secondary coil resistance k
Ω
1.0 - 2.0
Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)
Ignition timing °BTDC ( 33 ) 28 28
* Screw in metering needle from initial threads engagement.
BTDC: Before top dead center.
3
EDR-2100 EDR-2100/1E
EDR-2400 EDR-2400/1E
SERVICE INFORMATION