Pickup Coil Resistance Test; Spark Plug Removal/Installation - Yamaha V star 1100 Owner's Manual

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246
1. Securely support the motorcycle on level
ground.
2. Remove the fuel tank, air filter housing and
surge tank as described in Chapter Eight, and the re-
move the frame neck cover (Chapter Fifteen).
3. Disconnect the electrical lead from the negative
battery terminal (A, Figure 1).
4. Disconnect the spark plug cap from the respec-
tive spark plug.
5. Disconnect the two primary coil spade connec-
tors (A, Figure 10) from the terminals on the igni-
tion coil.
6. Measure the primary coil resistance as follows:
a. Connect the ohmmeter positive test probe to
the red/black terminal on the ignition coil;
connect the negative test probe to the orange
(or gray) terminal. See Figure 11.
b. Replace the ignition coil if the primary resis-
tance is not within the specification listed in
Table 1.
7. Measure the secondary coil resistance as
follows:
a. Connect the ohmmeter positive test probe to
the spark plug lead; connect the negative test
probe to the orange (or gray) terminal. See
Figure 12.
b. Replace the ignition coil if the secondary coil
resistance is not within the specification listed
in Table 1.
8. Repeat this test for the other ignition coil.
Removal/Installation
1. Use jack stands or a scissors jack to securely
support the motorcycle on level ground.
2. Remove the fuel tank and surge tank as de-
scribed in Chapter Eight, and remove the frame
neck cover (Chapter Fourteen).
3. Disconnect the electrical lead from the negative
battery terminal (A, Figure 1).
4. Disconnect the spark plug cap from the respec-
tive spark plug.
NOTE
Note how the ignition coil's secondary
lead is routed through the frame. It
will have to be rerouted along the
same path during installation.
11
12
5. Disconnect the two primary coil spade connec-
tors (A, Figure 10) from the terminals on the igni-
tion coil.
6. Remove the two ignition coil bolts (B, Figure
10) and remove the coil.
7. Installation is the reverse of removal. Note the
following:
a. Torque the ignition coil bolts to 2.5 N•m (22
in.-lb.).
b. Apply a dielectric compound to the primary
coil connectors (A, Figure 10) prior to recon-
necting them. This will help seal out moisture.
c. Make sure the electrical connectors are free
of corrosion and are completely coupled to
each other.
d. Install all removed items.
PICKUP COIL
Resistance Test
Test the pickup coil at a minimum temperature of
20° C (68° F).
CHAPTER NINE

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