I Can't Fix This Snowmobile? HELP ME. (1997 Ski Doo MXZ 583)

I've tried so many things to fix this 1997 Ski Doo MXZ 583 snowmobile that had previously been abandoned in the woods for 10 years. It has to be a fuel issue SOMEWHERE! I've rebuilt the fuel pump and tested it, tried a brand new fuel pump (tested), found leaks in fuel lines/replaced fuel lines, replaced primer, cleaned carbs 20 times thoroughly, tested compression (125 psi each cylinder). What do you think it could be?? 🔔 Please CLICK THE BELL for videos and updates as they happen!! 🔔 MY SOCIAL MEDIA: ► INSTAGRAM : @jeremyrhydes ► SNAPCHAT: jeremyrhydes ► FACEBOOK: Jeremy Rhydes ► Group Facebook Page: National Adventure Riders Association MY CAMERA GEAR : ►Camera (Handheld): http://amzn.to/2gpb4oC​​​​​​​​​​ ►Helmet Cam: http://amzn.to/2vxHoQu​​​​​​​​​​ ►Helmet Cam Microphone: http://amzn.to/2vQLxKI​​​​​​​​​​ ►Microphone Adapter: http://amzn.to/2vyfxzN​​​​​​​​​​ ►Tripod: http://amzn.to/2vQM53e​​​​​​​​​​ ►Video Editor: http://amzn.to/2xqToEd​​​​​​​​​​