2007 Buell Lightning: Electrical 7-11
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INSPECTION
1. Inspect spark plug cables. Replace cables that are worn
or damaged.
a. Check for cracks or loose terminals.
b. Check for loose fit on ignition coil and spark plugs.
2. Check cable boots/caps for cracks or tears. Replace
boots/caps that are worn or damaged.
NOTE
Both cables are the same length.
3. See Figure 7-9. Check spark plug cable resistance with
an ohmmeter. Replace cables not meeting resistance
specifications.
INSTALLATION
NOTES
● To ease installation, install spark plug cables to ignition
coil first and apply ELECTRICAL CONTACT GREASE
(Part No. 99861-90) to the inside of spark plug boot.
● See Figure 7-10. When assembling the spark plug boots
onto the spark plugs, make sure the boot is slid all the
way down over the spark plug insulator. The gap should
not exceed 1/8 in. (3.2 mm).
● For spark plug information see 1.13 SPARK PLUGS.
1. Connect spark plug cables to ignition coil and spark
plugs. Fasten boots/caps securely. Tight connections
provide the necessary moisture-proof environment for
the ignition coil and spark plug terminals.
2. Install air cleaner assembly. See 4.44 AIR CLEANER
ASSEMBLY.
3. Install left air scoop. See 2.39 AIR SCOOPS.
Table 7-10. Spark Plug Cables
SPECIFICATION FRONT & REAR
Length - in. (mm)
5.70 +
0.25
(145)
Resistance - Ohms 1,350-3,465
Figure 7-9. Testing Resistance
Figure 7-10. Boot Gap Should Not exceed 1/8 in. (3.2 mm)
1. Ohmmeter positive lead
2. Ohmmeter negative lead
3. Spark plug cable (typical)
4. Ohmmeter
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