SERVICE INFORMATION
PB-8010, EB810
3
1-2 Technical data
Engine
Compression pressure MPa (kgf/cm
2
) (psi) 1.03 (10.5) (150)
Ignition system
Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Spark test Tester gap w/ spark plug mm(in) 4.0 (0.16)
Tester gap w/o spark plug mm(in) 6.0 (0.24)
Secondary coil resistance Ω 785 - 1185
Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)
Ignition timing at 3,000 r/min °BTDC 27
at 7,500 r/min °BTDC 30
Carburetor
Test Pressure, minimum MPa (kgf/cm
2
) (psi) 0.05 (0.5) (7.0)
Metering lever height mm(in) 1.50 (0.06) lower than diaphragm seat
Limiter plug / cap -
Tool to adjust mixture needles Short type D-shaped tool(S) P/N 91159S
Carburetor adjustment
1) Initial setting
H mixture needle turn out 2 1/2
L mixture needle turn out 2
Throttle adjust screw turn out*
1
9 1/4
Engine warm-up Idle - WOT : Total sec. 30 - 180 : 210
2) Find idle maximum speed Adjust L mixture needle to maximum idle speed
3) Set idle maximum speed w/ TAS r/min 2900
4) Set idle speed
by turning L mixture needle CCW
r/min 2500
5) Find WOT maximum speed
First, warm-up 180 sec. with WOT engine speed
7650 r/min over and adjust H mixture needle to
maximum WOT speed.
6) WOT setting r/min Turn H mixture needle CCW
to decrease WOT speed by : 60 - 80
7) Verify fi nal engine speed with standard equipment Idle: 2300 - 2700
r/min WOT: 7500 <
BTDC:
Before top dead center
WOT:
Wide open throttle
CCW:
Counterclockwise
TAS:
Throttle adjust screw
*
1
Turn TAS clockwise until its head touches boss. Then turn TAS counterclockwise.
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