Buell XB9R 2003, Service Manual, Page: 336 / 566

2003 Buell XB9R: Fuel System 4-39
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Test 4.15 (Part 1 of 2)
Is fuel contaminated?
YES
Drain and flush
tank. Refill with
fresh fuel.
NO
Use Spark Tester to check cables.
See 4.11 ENGINE CRANKS BUT WILL
NOT START . Did spark
jump gap on both leads?
1
NO
Check resistance of each spark plug
cable that did not fire the Spark Tester.
Also, check for faulty plug wire connections
and wire boots for carbon tracking.
Are wires OK?
YES
Check for:
• Faulty, worn or cracked spark plug(s).
• Plug fouling due to engine
mechanical fault.
•Faulty or poor connection at plug.
NO
Replace
faulty wires.
YES
Coils should be free
of carbon tracking.
Are they?
NO
Replace
ignition coil.
YES
Switch coil with unit
known to be good.
Perform spark test.
Did spark jump gap
during engine cranking?
NO YES
Original ignition coil
is faulty. Replace.
2
3
4
Go to Test 4.15
(Part 2 of 2).
STOP
1
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