3
SERVICE INFORMATION
PB-60HT
PB-46LN PB-46HT
1-2
Technical data
Models
PB-46LN
I
PB-46HT
PB-60HT
Engine
Slow speed
rpm
2100-2700
2500-2900
Rated speed
rpm
6400-6700
7000-7500
Compression pressure,standard kgf/cm2(psi)
8.0 (115)
7.5(110)
Carburetor
C1U-K37A, C1U-K37B
C1U-K49, C1U-K49A
Venturi Size
mm(in)
9.5 (0.374)
12.5 (0.492)
Throttle Bore
mm(in)
16.0 (0.630)
16.0 (0.630)
Idle speed screw initial setting
turn in
3-4
3-4
Test Pressure, minimum
kgf/cm2(psi)
0.5 (7.0)
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
kQ
1.0- 1.5, 1.3- 1.8
Pole shoe air gaps
mm(in)
0.3 • 0.4 (0.012 • 0.016)
Ignition timing
0
BTDC
30