Fatboy Evo Owner
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2nd Gear
Joined: Sep 2024
Posts: 6
Likes: 0
From: Beirut
Can you tell me the correct way to make sure that the coil is not working, how do I check it in detail?
Road Captain
Joined: Aug 2008
Posts: 635
Likes: 388
From: Philadelphia Northeast
>>>95% the problem is from the Crankshaft sensor position
>>>It turned out to be the crank position sensor.
Again. There is no crankshaft position sensor on carbureted Evo engines
>>> there's no power on both wires of the coil
i am sorry but have you put the multimeter positive onto white/black wire and negative to the ground? This wire comes from Engine Stop switch and then powering the Starter switch, Ignition coil and Ignition module. If you really don have a power on the coil but starter is working then most likely this white/black wire is somewhere losing the connection. But i cant relate it with problem only after hard ride though. I would check first if the bike 100% don't have a power on white/black at ignition coil and module but starter works and then check the right handlebar switch connector before start looking the wire problem elsewhere.
>>>It turned out to be the crank position sensor.
Again. There is no crankshaft position sensor on carbureted Evo engines
>>> there's no power on both wires of the coil
i am sorry but have you put the multimeter positive onto white/black wire and negative to the ground? This wire comes from Engine Stop switch and then powering the Starter switch, Ignition coil and Ignition module. If you really don have a power on the coil but starter is working then most likely this white/black wire is somewhere losing the connection. But i cant relate it with problem only after hard ride though. I would check first if the bike 100% don't have a power on white/black at ignition coil and module but starter works and then check the right handlebar switch connector before start looking the wire problem elsewhere.
Thread Starter
|
2nd Gear
Joined: Sep 2024
Posts: 6
Likes: 0
From: Beirut
>>>95% the problem is from the Crankshaft sensor position
>>>It turned out to be the crank position sensor.
Again. There is no crankshaft position sensor on carbureted Evo engines
>>> there's no power on both wires of the coil
i am sorry but have you put the multimeter positive onto white/black wire and negative to the ground? This wire comes from Engine Stop switch and then powering the Starter switch, Ignition coil and Ignition module. If you really don have a power on the coil but starter is working then most likely this white/black wire is somewhere losing the connection. But i cant relate it with problem only after hard ride though. I would check first if the bike 100% don't have a power on white/black at ignition coil and module but starter works and then check the right handlebar switch connector before start looking the wire problem elsewhere.
>>>It turned out to be the crank position sensor.
Again. There is no crankshaft position sensor on carbureted Evo engines
>>> there's no power on both wires of the coil
i am sorry but have you put the multimeter positive onto white/black wire and negative to the ground? This wire comes from Engine Stop switch and then powering the Starter switch, Ignition coil and Ignition module. If you really don have a power on the coil but starter is working then most likely this white/black wire is somewhere losing the connection. But i cant relate it with problem only after hard ride though. I would check first if the bike 100% don't have a power on white/black at ignition coil and module but starter works and then check the right handlebar switch connector before start looking the wire problem elsewhere.
anyway i will do what you suggested and I appreciate your support and help.
Road Master
Joined: Aug 2006
Posts: 1,148
Likes: 157
From: Banning, CA
Seasoned HDF Member
Joined: Apr 2011
Posts: 6,185
Likes: 2,134
From: W. Texas
98 Fat Boy Should be a Carbed bike.
Look in the nose cone on the right side of the bike, there should be an ignition sensor in there.
See if it looks melted and if so replace it.
When it is going bad it will give symptoms like you describe.
Ck post #1 in this thread ,good example of the sensor.
Many don't melt this much. Look for goo melted
WP
Look in the nose cone on the right side of the bike, there should be an ignition sensor in there.
See if it looks melted and if so replace it.
When it is going bad it will give symptoms like you describe.
Ck post #1 in this thread ,good example of the sensor.
Many don't melt this much. Look for goo melted
WP
Last edited by WP50; Sep 26, 2024 at 01:48 PM.
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