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I need to know the gas to oil ratio in gallons for a 297cc Sachs engine. It sits in a 1968 Rupp SS. If you know how much oil to 5 gallons of gas it would make things real easy. Thank you.
 

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GOING BACK TO MY OLD SLED DAYS, I HAD A '69 SCORPION SNOWMOBILE WITH THAT ENGINE AND I BELIEVE IT WAS 40:1.
THE OIL CONTAINER WILL HAVE THE CHART TO TELL YOU HOW MANY OUNCES TO ADD TO THE GAS

GOOD LUCK!
 

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in just about any two stroke, id run conventional oil at about 32:1, and good synthetics at about 40:1, or 50:1. id reccomend a good synthetic like klotz or amsoil.
 

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i agree with busy on runnin the klotz or amsoil at 40:1
 
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