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Discussion Starter · #1 ·
just wondering have 1968 skidoo olympic 370 opposed twin just wanted to know what grade of fuel should i be using and what i should pre mix it at cause every body telling me to mix it at 20:1 32:1 40:1 just wondering if i should stay at what the book say 20:1 or switch it up
 

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Discussion Starter · #3 ·
so i be fine with 32:1 mix and im using castrol super oil now would i keep idle and high speed jets at the same setting as i was with a 20:1 mix idle 3/4 turn and high speed 1 and 1/4 turn or do i change them
 
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