200
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- 2010 Nytro XTX
Hi there
Longtime lurker-learned lots- first post. Bought new 10 xtx and enjoy more and more with every mod.
Purchased lightly used full hindle with 02, preloaded PC v with autotune add on. Was used on another rtx last year and ran great . Installed complete set up and started right up, sounded great etc. but..... Would not restart until I plug the stock ecu back in. Googled the hell out of it etc and learned about starting with fuel pump running etc. but no different. Uploaded software from PC site and connected to controller. Verified does indeed have a map and shows real time data changes(rpm etc) when running with PC in play.
Starts every morning off the the new setup,but won't restart when warm at all until stock ecu plugged back together. I did remove the plugs after the non start,found wet( soso spark) and swapped out with new cr10ek ones but same result
Any help would be greatly appreciated.
Longtime lurker-learned lots- first post. Bought new 10 xtx and enjoy more and more with every mod.
Purchased lightly used full hindle with 02, preloaded PC v with autotune add on. Was used on another rtx last year and ran great . Installed complete set up and started right up, sounded great etc. but..... Would not restart until I plug the stock ecu back in. Googled the hell out of it etc and learned about starting with fuel pump running etc. but no different. Uploaded software from PC site and connected to controller. Verified does indeed have a map and shows real time data changes(rpm etc) when running with PC in play.
Starts every morning off the the new setup,but won't restart when warm at all until stock ecu plugged back together. I did remove the plugs after the non start,found wet( soso spark) and swapped out with new cr10ek ones but same result
Any help would be greatly appreciated.
quadsean1
Extreme
run cr9e plugs and make shure that the pvc and the autotune has a good ground.


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- 2020 Sidewinder SRX
Turn off the Auto Tune and make sure you have a good connection.
200
Veteran
- Joined
- Nov 23, 2014
- Messages
- 30
- Reaction score
- 7
- Points
- 38
- Location
- Nova Scotia
- Country
- Canada
- Snowmobile
- 2010 Nytro XTX
Finally back to my xtx. Did as both mr sled and quadsean suggested and ALL IS WELL! Woohoo!!!. Disconcerting and everything seemed ok wiring wise, but lo and behold, she has passed multiple tests.
Thank you fellas
Going to ride with my wife on her 550f for this week( possibly the best tow rig ever) just in case......hehe
Thank you fellas

Going to ride with my wife on her 550f for this week( possibly the best tow rig ever) just in case......hehe


- Joined
- Apr 13, 2003
- Messages
- 21,652
- Reaction score
- 9,271
- Points
- 2,103
- Location
- Schofield, WI
- Website
- www.totallyamaha.com
- Country
- USA
- Snowmobile
- 2020 Sidewinder SRX
Awesome. Great job.
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