
Electrical
6
‐
13
Check
the
ignition
coil
resistance.
Connect
multimeter
as
shown.
Positive
lead
to
orange
lead
terminal.
Negative
lead
to
ignition
coil
base.
Primary
coil
resistance
0.18
–
0.28
Ohms
Test
secondary
coil
resistance.
Connect
multimeter
as
shown.
Positive
lead
to
the
orange
lead
terminal.
Negative
lead
to
Spark
Plug
Lead.
Secondary
coil
resistance
6.32
–
9.48
K
Ohms
Replace
the
spark
plug
wire
Replace
the
ignition
coil
Replace
the
main
switch
Test
the
main
switch
for
continuity.
Out of Specification
Both Tests meet specification
correct
Incorrect
Test
the
A.C
magneto
coupling
resistance.
Connect
multimeter
as
shown.
Positive
lead
to
white/red
terminal
(1)
Negative
lead
to
white/green
terminal
(2)
Pickup
coil
resistance
459
–
561
Ohms
Test
the
A.C
magneto
coupling
resistance.
Connect
multimeter
as
shown.
Positive
lead
to
red
terminal
(3)
Negative
lead
to
white/blue
terminal
(4)
Pickup
coil
resistance
secondary
0.063
–
0.077
Ohms
incorrect
Replace
the
pickup
coil/stator
assembly
Meets specification
Check
the
spark
plug
wire
resistance.
10K
ohms
Summary of Contents for Challenger 500
Page 1: ...SERVICE MANUAL Challenger 500 Challenger 700...
Page 50: ...500 UV Engine Specifications 2 10...
Page 51: ...500 UV Engine Specifications 2 1 1...
Page 52: ...500 UV Engine Specifications 2 12...
Page 53: ...500 UV Engine Specifications 2 13...
Page 209: ...Electrical 6 11 Ignition System Circuit Diagram 1 High tension coil 2 C D I 3 Magneto...
Page 213: ...Electrical 6 15 Electric Starting System...
Page 216: ...Electrical 6 18 Charging System...
Page 218: ...Electrical 6 20 Lighting System...
Page 219: ...Electrical 6 21 Signaling System...
Page 220: ...Electrical 6 22 Cooling System...
Page 221: ...Electrical 6 23 2WD 4WD Selecting System...
Page 244: ...MTD Products Inc Product Training and Education Department FORM NUMBER 769 10856 05 2015...