1-2 Technical data
Engine
Idling speed
rpm
3000 - 3400
Maximum speed
rpm
10000 - 10500
Clutch-in speed
rpm
3500 - 4100
Compression pressure, standard kgf/cm
2
(psi)
8.5 (121)
Carburetor
ZAMA C1U-K51
Type
Diaphragm horizontal-draught
Venturi Size
mm(in)
8.5 (0.335)
Throttle Bore
mm(in)
12.7 (0.5)
Idle speed screw initial setting
turn in
3 - 4
H needle initial setting
turn back
1 3/4
L needle initial setting
turn back
1 3/4
Test Pressure, minimum
kgf/cm
2
(psi)
0.5 (7.0)
Metering lever height
mm(in)
0.1 - 0.25 (0.004 - 0.010)
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
27
H needle: High speed needle.
L needle: Idle needle.
BTDC: Before top dead center.
3
HCR-1500
SERVICE INFORMATION
