Echo PPT-2100 - Manual (Page 4)

1-2 Technical data
Models PPF-2100 PPT-2400
PPT-2100 PPFD-2400
Engine
Idling speed rpm 2500 - 3000 2500 - 3000
Engine speed at maximum power rpm 7500 7500
Clutch-in speed rpm 3700 - 4100 3700 - 4100
Compression pressure MPa(kgf/cm 2) (psi) 0.85 (8.5) (121) 0.75 (7.5) (107)
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
1.3 - 1.8
Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)
Ignition timing °BTDC ( 33 ) 28 28
Carburetor Model C1U-K52 WT424B
Type Diaphragm horizontal-draught
Supplier ZAMA Walbro
Venturi Size mm(in) 1 8.5 (0.335) 7.94 (0.313)
Throttle Bore mm(in) 12.7 ( 1/2 ) 12.7 ( 1/2 )
Idle speed screw initial setting turn in 3 - 4 3 - 4
H needle initial setting turn back 1 3/4 3 1/4
L needle initial setting turn back 1 3/4 2 1/4
Test Pressure, minimum MPa(kgf/cm 2 )(psi) 0.05 (0.5) (7.0) 0.05 (0.5) (7.0)
Metering lever height mm(in) 0.1 - 0.25 1.65
BTDC: Before top dead center.
4 PPF-2100 PPT-2100
PPT-2400 PPFD-2400 SERVICE INFORMATION
H needle: High speed needle.
L needle: Idle needle.