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Oct 12, 2013 | 01:35 PM

jim bob39

Thread Starter

Intermediate

Joined: Sep 2010

Posts: 32

Likes: 0

From: lewisrun pa.

help

Ok were to start I was riding the other day and for a for a few seconds the bike just shut off lights and everything still on but engine just shut off like someone turned the key off. This is what I've done new coil wires trimming sensor voltage regulator rebuilt carb check all wire for bad spots rerapped with kevllar loom rap oh and change all the circuit breakers It still does the same thing any help would be great.85 fxrs 1340 evo

Last edited by jim bob39; Oct 12, 2013 at 01:39 PM.

Oct 12, 2013 | 01:47 PM

Jasper86

Road Captain

Joined: Sep 2012

Posts: 675

Likes: 32

From: Massachusetts

85? not much for electronics there. assuming you have fuel and air (and you said you checked the carb), you only need spark to keep it going. if plugs/wires/coil are new, next *most* likely suspect is the ignition module and/or cam sensor plate in the nosecone.

Oct 12, 2013 | 02:43 PM

Spanners39

Seasoned HDF Member

Joined: Dec 2010

Posts: 7,736

Likes: 1,524

From: Coromandel Peninsula New Zealand

Have you followed the 3 wires from the nose cone (ign pick up to coil) all the way up to the module? They are prone to chafing on the frame, especially where it nears the battery and module.

Oct 12, 2013 | 03:02 PM

J F GO

Seasoned HDF Member

Joined: Aug 2012

Posts: 17,750

Likes: 3,347

From: maine

And I assume you made sure your battery is good. My 96 FLSTN left me stranded on the side of the road when the ground wire broke from the battery, so you might want to check all your grounds too. Good luck and Ride Safe.

Oct 12, 2013 | 05:59 PM

Spanners39

Seasoned HDF Member

Joined: Dec 2010

Posts: 7,736

Likes: 1,524

From: Coromandel Peninsula New Zealand

Wouldn't be battery if all lights stay on but motor cuts out...

Oct 12, 2013 | 08:14 PM

machinehed

Road Master

Joined: Oct 2011

Posts: 957

Likes: 2

From: Carlsbad Springs Ontario

engine cuts out.

Quote:

Originally Posted by jim bob39

The wiring is 28 years old , check the wiring at the pivot point where the front end flexes the wiring harness as you turn .
To check stressed wiring properly , do this stretch test.
Cut off the harness covering at the stress area , use two needle nose pliers.
Pinch one end of one wire and pinch the other end as far away as possible .
Stretch the wire to see if it seperates . The ones that seperate are bad , the ones that dont are good .
You will find that although the outer plastic casing looks ok ., the inner conductor wires can be broken completely or 1 or 2 are all that is left etc.

Oct 12, 2013 | 08:55 PM

Kushman

Tourer

Joined: Jan 2012

Posts: 259

Likes: 1

From: Kingston, Ontario

Might want to take a look at the coil. When they start to go they sometimes work and cut in and out. Also might be a weak kill switch, if it stays "dead' long enough you should be able to test it and narrow down the problem by starting at the coil and working back through the circuit.