Yamaha 60F - Page 178

8-17
–+
ELEC
E
ELECTRICAL ANALYSIS
1. CDI unit output:
1) Connect the tester to the CDI unit as
shown.
2) Set the tester dial to specification.
3) Crank or start the engine.
4) Measure all the CDI unit output.
5) If the output is beyond specification,
replace the ignition coil.
6) If the output is below specification,
measure the charge coil output.
50, 60, 70 hp
75, 80, 90 hp
CDI unit
Output peak voltage (minimum)
B/W – B
r/min
Cranking
1,500 3,500
Open Connect
V—
#1, 3: 105
#2: —
145 105
CDI unit
Output peak voltage (minimum)
B/W – B
r/min
Cranking
1,500 3,500
Open Connect
V—
#1, 3: 130
#2: —
155 130
2. Charge coil output:
1) Disconnect the charge coil coupler.
Connect the 2/3 pins test harness.
2) Connect the tester to the measure-
ment terminal.
3) Set the tester dial to specification.
4) Crank or start the engine.
5) Measure the charge coil output.
6) If the output is below specification,
replace the charge coil.
7) If the output is beyond specification,
measure pulser coil output.
50, 60, 70 hp
2 pins test harness:
YB-38831/90890-06767
75, 80, 90 hp
3 pins tester harness:
YB-06443/90890-06757