Sled keeps on shutting down!!

My best guess is a loose connection, but I did have a Yamaha Virago motorcycle I bought new that did something very similar after about 1k miles. Ended up being the ECU.
 
Stingrays comment gave me another idea. I was a field engineer on large computer systems for many years, sometimes we would just pull apart all the connections and put them back together and the problem would go away even though we would never know the exact cause. All it takes is a little oxidation or a loose connection to cause a problem.
 
stingray719 said:
My best guess is a loose connection, but I did have a Yamaha Virago motorcycle I bought new that did something very similar after about 1k miles. Ended up being the ECU.
Click to expand...
There is another thought, swap out ECUs between sleds as part of your trouble shooting process.

sxr70001 said:
Stingrays comment gave me another idea. I was a field engineer on large computer systems for many years, sometimes we would just pull apart all the connections and put them back together and the problem would go away even though we would never know the exact cause. All it takes is a little oxidation or a loose connection to cause a problem.
Click to expand...
There is the second guy that mentioned doing that. As an electrical engineer, I have found poor connections in various connectors to be the source of many gremlins. As I previously stated, I'd flick every fuse/relay, wiggle every wire and connection with the sled running first to try to induce a failure before unplugging connectors. Reason being that its a PITA to pull some of those connectors apart and I'd prefer to know what is causing that. Jumping the gun to pulling connectors randomly doesn't necessary identify or solve the problem but it is a step in the troubleshooting process.
 
4StrokeAddict said:
There is another thought, swap out ECUs between sleds as part of your trouble shooting process.


There is the second guy that mentioned doing that. As an electrical engineer, I have found poor connections in various connectors to be the source of many gremlins. As I previously stated, I'd flick every fuse/relay, wiggle every wire and connection with the sled running first to try to induce a failure before unplugging. Reason being that its a PITA to pull some of those connectors apart and I'd prefer to know what is causing that. Jumping the gun to pulling connectors randomly doesn't necessary identify or solve the problem but it is a step in the troubleshooting process.
Click to expand...
One more thought, always trouble shoot with one change at a time. If you swap out multiple things at once, you don't know what the problem was or what solved it.
 
Right, I should have said that just randomly reseating connectors is kind of a last ditch effort. Be careful, keep track of what you did last and don't get into trouble.
 
Plenty of great ideas here, I will have time to go through the sled with some time off after Xmas. My son's dealer is a joke. If I can't get it figured out I will take it to my Yamaha dealer. Appreciate all your help guys.
 
Mitch Desorcy said:
Plenty of great ideas here, I will have time to go through the sled with some time off after Xmas. My son's dealer is a joke. If I can't get it figured out I will take it to my Yamaha dealer. Appreciate all your help guys.
Click to expand...

Have you had the reflash done yet? My wife's sled would do this 1-2 times in 500 miles. But her's did not like to restart immediately after shutdown. The reflash corrected the problem.
 
I far as I know I don't think Cat had a bulletin on the 2014 7000 reflash.
 
I had a car once that did this. It was the ECU, and the issue was that there was something loose inside of it, like a bad solder joint. When cold, it ran fine. But, when it got warm, some sort of internal expansion thing happened, and the connection would break. Car would shut off, and then sometimes it would restart, other times it had to cool off before it would start.
 
SounderMN said:
I had a car once that did this. It was the ECU, and the issue was that there was something loose inside of it, like a bad solder joint. When cold, it ran fine. But, when it got warm, some sort of internal expansion thing happened, and the connection would break. Car would shut off, and then sometimes it would restart, other times it had to cool off before it would start.
Click to expand...

Electronics are known for this, that is why every electronic tech that knows his stuff carries a can of freeze mist to test with. Problem with Viper is ECU is buried and not easy to get to
 
Check your battery connection and battery ground connections. When I first got my 2002 DI SeaDoo it would cut out intermittently.
Ended up being a loose batter ground on the engine block.
 
I went over my son's paper work and the sled was reflashed. But it was happening before reflash. We went through the whole sled last night. Disconnected all connections and reconnected. Checked anti freeze level-good. Chain case level low so toped up. Engine oil too high. Sucked out almost 1/2 a litre to get it to the top of the site glass. Again thanks for all the input here. :sled2:
 
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