NOT the regulator...That only limits voltage to the accessories- nothing to do with spark. Check all of your switches (key, kill, tether) first. You've done the coil. The only things left are the switches, CDI or stator.
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month! (Lost in fire 4-7-13)
1992 Ski Doo Mach 1 original 2006 Ski Doo MXZ 500SS
1999 Ski Doo MXZ600 Webmaster Evergreen Valley Snowmobile Club SledNH.com Moderator