6 - 6
–+ELECIGNITION SYSTEM
2. Inspect:
Source coil 1 resistance
Out of specification → Replace.
3. Inspect:
Source coil 2 resistance
Out of specification → Replace. Tester (+) lead → Brown lead 1
Tester (–) lead → Green lead 2
Source coil 1
resistanceTester selector
position
720 ~ 1,080 Ω
at 20 ˚C (68 ˚F)Ω × 100
Tester (+) lead → Pink lead 1
Tester (–) lead → Black lead 2
Source coil 2
resistanceTester selector
position
44 ~ 66 Ω at
20 ˚C (68 ˚F)Ω × 10
W
RBr
GP
B
2 1
21
2 1
W
RBr
GP
B
21
NEUTRAL SWITCH INSPECTION
1. Inspect:
Neutral switch conduct
No continuity while in neutral → Replace.
Continuity while in gear → Replace.
EC628000
CDI UNIT INSPECTION
Check all electrical components. If no fault is
found, replace the CDI unit. Then check the
electrical components again.Tester (+) lead → Sky blue lead 1
Tester (–) lead → Ground
Sb
1GroundTester selec-
tor position
NEUTRALΩ × 1IN GEAR
–+ Ω×1
1
Sb
–+ELEC
6 - 7
TPS (THROTTLE POSITION SENSOR) SYSTEM
EC690000
TPS (THROTTLE POSITION SENSOR) SYSTEM
INSPECTION STEPS
If the TPS will not operate, use the following inspection steps.
*marked: Refer to “IGNITION SYSTEM” section.
NOTE:
Use the following special tools in this inspection.
Pocket tester:
YU-3112-C/90890-03112Inductive tachometer:
YU-8036-B
Engine tachometer:
90890-03113
Check entire ignition
system for connection.Repair or replace.
Check TPS. TPS coil Replace.
*Check CDI magneto. Source coil Replace.
Check CDI unit.TPS input
voltageReplace.
OK
OK
OK
No good
No good
No good
No good
