MXZ 600 H.O. SDI "Back Fireing" - Snowmobile Forum: Your #1 Snowmobile Forum

joe.skidoo · 10-27-2009, 07:38 PM

Hello,

I am having a problem with my sled. I can not figure out what the problem is, so i have been searching for a good quality website to post and ask around what might the problem be. So here i am. Like i said i have a 08 Ski Doo MXZ 600 H.O. SDI and when i go to start it, it seems like it wants to crank over but then it back fires on me? Yes, i do have fuilds in it and new spark plugs. I have no idea what would be the problem... got any suggestions for me?

Thanks for your time,
Joe

**RJ Gleason** · 10-27-2009, 10:06 PM

Plugs wet?

joe.skidoo · 10-28-2009, 01:35 PM

they are almost dry but they smell a little like gas

**smallengineguy** · 10-28-2009, 01:35 PM

There are a few things to check. Get an inline spark tester (auto parts store) and make sure it has consistent spark. If it's intermittant, check your kill/key sawitches.

joe.skidoo · 10-28-2009, 05:27 PM

i know its not the keys because i tried 2 different keys but ill check and see if there is a consistent spark