Cheapest is do it yourself, the quickest (and least painful) is to bring to a repair shop.
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month! (Lost in fire 4-7-13) 2009 Ski Doo MXZ 500SS TnT
2006 Ski Doo MXZ 500SS
1999 Ski Doo MXZ600 Webmaster Evergreen Valley Snowmobile Club SledNH.com Moderator