Bikes Shuts down while Crusing

[DR BULLDOG]

2004 Bulldog shuts down while cruising down the road but always starts again by turning off and on Key switch. :loony::bang:
Thanks Donny

 

[KaptinAmerika]

Bad key switch?
Disconnect the JST connector to the switch and jumper it with a paperclip.
Take a ride.
No shut down, bad key switch.

 

[Iman]

Gas cap vapor lock? Blow thru cap to make sure its venting properly

 

[Sven]

1. Connector not connected = Not it. She fires back on again.
2. Wire out of connector = Not it. She refires.
3. Short to ground/signal out of range = Ding-Ding-Ding! We have a winner. Black box.

OR...

A. Crank sensor is cold and is within spec.
B. Heat kills the square wave making or the signal's output.
C. Bike cools down, therefore the crank sensor cools down and restarts = Ding-Ding-Ding! See the two variables?

Wait for more input.

 

[HMAN]

Battery not tied down and vibrating into the harness plug in?? + what everyone else has added.

 

[KaptinAmerika]

Battery not tied down and vibrating into the harness plug in?? + what everyone else has added.

:2thumbsefinitely check the battery connections.
I've had several older BDs shutting down on customers and it was just a loose battery connection.

 

[jjarkys]

Had the exact same issue with my last dog. Never did find the problem. Replaced the key switch, removed the gas cap vent, checked back bone harness. Aggravating. Please post your progress. Curious to see if you find the problem.