Mix it like RJ said, but if the plugs are all oily and it smokes like mad, maybe try 32:1 or so.
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
Don't mix any less than suggested, I siezed my 1970 340 Sachs cause some jerk said I can mix ams oil at 50:1 instead of the book spec of 20:1 . the occasional spark plug is cheaper than a new crank!