Replacement Of Spark-Plug Cap; Crank Position Sensor - Yamaha 50G Service Manual

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ELEC
ELECTRICAL ANALYSIS
M53005-0

REPLACEMENT OF SPARK-PLUG CAP

[Standard type]
1. Remove the spark-plug cap by pulling
the cap and remove the plug-cap spring
from the high-tension cable.
2. Cut an amount of about a off the end of
the high-tension cable.
Distance a:
5 mm (0.2 in)
3. Fit onto the plug cap-spring.
4. Push the cap-spring into the plug-cap.
[Resistance specification type]
1. Remove the spark-plug cap by turning
the cap.
2. Install the spark-plug cap onto the high-
tension cable.

CRANK POSITION SENSOR

Measure the peak voltage of the crank posi-
tion sensor as shown.
50, 60, 70 hp
Crank position sensor
Output peak voltage (minimum)
L/R – L/W
Cranking
r/min
Open
V 5.0
75, 80, 90 hp
Crank position sensor
Output peak voltage (minimum)
L/R – L/W
Cranking
r/min
Open
V 5.5
8-20
1,500
Connect
5.0 20
1,500
Connect
5.5 25
E
3,500
16
3,500
20