Buell 2007 ULYSSES Service Manual page 389

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Test 4.15 (Part 1 of 2)
YES
Drain and flush
tank. Refill with
fresh fuel.
YES
Check for:
• Faulty, worn or cracked spark plug(s).
• Plug fouling due to engine
mechanical fault.
• Faulty or poor connection at plug.
YES
3 Coils should be free
of carbon tracking.
Are they?
YES
Switch coil with unit
4
known to be good.
Perform spark test.
1
Did spark jump gap
during engine cranking?
YES
Original ignition coil
is faulty. Replace.
4-40 2007 Buell Ulysses: Fuel System
Is fuel contaminated?
1 See
2
cable that did not fire the Spark Tester.
Also, check for faulty plug wire connections
NO
Use Spark Tester to check cables.
4.11 ENGINE CRANKS BUT WILL
NOT START. Did spark
jump gap on both leads?
NO
Check resistance of each spark plug
and wire boots for carbon tracking.
Are wires OK?
NO
Replace
faulty wires.
NO
Replace
ignition coil.
NO
Go to Test 4.15
STOP
(Part 2 of 2).