2003 fxsti...won't start
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Stage II
Joined: Feb 2018
Posts: 2
Likes: 0
From: spring,tx
2003 fxsti...won't start
got ready to start bike about a week ago..had started before ...now it just turns over, but won't fire..has fuel but apparently doesn't have fire somewhere...could it be ecm...any ideas...
Intermediate
Joined: May 2017
Posts: 48
Likes: 4
From: Iowa
On all ignition systems there is a primary and secondary side. You need to figure out which one is not working.
In a nutshell the primary is all the low voltage components. It tells the secondary when to fire. The secondary is the high voltage components and plugs and plug wires and coil. Well technically, half of the coil is the primary side.
In a nutshell the primary is all the low voltage components. It tells the secondary when to fire. The secondary is the high voltage components and plugs and plug wires and coil. Well technically, half of the coil is the primary side.
Road Warrior
Joined: Sep 2006
Posts: 1,570
Likes: 45
My bet is a bad sensor. Like the crank sensor or less likely , bank angle sensor.
Almost forgot, I'd check and wiggle the ignition switch first as that's a problem area too.
Almost forgot, I'd check and wiggle the ignition switch first as that's a problem area too.
Last edited by the blob; Feb 6, 2018 at 08:48 PM.
Road Warrior
Joined: Nov 2017
Posts: 1,593
Likes: 367
From: Northern MN
I'm not sure if this means you had no fire at the plug or you didn't understand my question. Pull the plug and rest it on the side of the jug, then crank the engine and see if it has a spark. This will verify if it is a fuel or electrical problem.
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