Model 80 Jonsereds

JackHammer

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I recently obtained an old model 80 Jonsereds. Saw fires up, seems to run properly. Should I still use 16:1 gas/oil mix like these old saws did when they were made?
 

Bob Hedgecutter

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Personally- I wouldn't.
A lot depends on how good you are with a file, how good of a sawyer you are, what you are cutting and how much heat they all generate when compounded together.
Personally I would run and tune it on 40:1, but Husqvarna recommend 33:1 for use in big saws- I am guessing "big" is over 85cc.
16:1 might be good if you cut in Mosquito country- it is getting to be an old saw- but not that old.
 
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