ENGINE CONTROL 3-9
Tester probe connection
Red (+) Black (–)
White
Brown Green
Green
CHECKING COIL / CDI UNIT OUTPUT
POWER SOURCE COIL
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[[
[ 09930-89251 : 6 pin connector test cord
RR
RR
R Peak voltmeter Stevens CD-77
Tester range : POS 500
1. Disconnect power source coil lead wire connector from CDI
unit.
2. Connect the test cord as shown.
3. Connect tester probe to coil lead wires as shown.
CKP SENSOR
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[ 09930-99320 : Digital tester
UU
UU
U Tester range :
(Resistance)
1. Disconnect CKP sensor lead wire connector from CDI unit.
2. Connect tester probe to sensor lead wires as shown.
3. Measure resistance
CKP sensor resistance :
Red – Black 148 – 222
Red / White – White / Black 148 – 222
If measurement exceeds specification, replace CKP sensor.
4. Remove all spark plugs.
5. Crank with recoil starter or starter motor , then measure volt-
age.
Power source coil output :
White – Green 21 V or over
Brown – Green 21 V or over
If measurement exceeds specification, replace power source coil.
CKP sensor
Tester probe connection
Red (+) Black (–)
No.1
No.2
Red Black
Red/White White/Black
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