okay i got a 01 mxz i replaced the coil then the sled ran awsome for 2 weeks we actually racked up 800 miles running great i thought then sunday night we had water skip made it no problem. Then the 20 miles i fouled a plug changed it then after it it started quitting intermiditly it really cant be a spark issue cause as soon as it does it'll fire back up and i discovered out in the field playing around 9 times outta 10 if it dies i just let off the throttle give it some gas it stays running called ski doo dealer and there weren't any help. I dunno was wondering is the mpem box senstive to moisture then maybe i can just dry it out or some else i now with a mxz 500 said he had troubles with his igition. Switch said moisture gets behind it and i dont have the water proof key i just have the spare :dunno: