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Jacobsen Snowblower 420 Oil-to-gas ratio?

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snd@magma.ca View Drop Down
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    Posted: December/12/2004 at 9:54am

Lost Manual.  

I need to know the oil-to-gas mixing ratio.  Help Please, anyone?

Sue

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donp View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote donp Quote  Post ReplyReply Direct Link To This Post Posted: December/12/2004 at 10:47am
use a 40:1 mix. 32:1 was the original engine manufacturers recommendation, but with the newer ways oil is refined you can go leaner than the oems recommendations. i would not go any leaner than 50:1 tho. there should be a decal on the body or it should be printed on the gas cap if it is a 2 stroke. and i'm sure it is cuz jacobsen didnt make many full sized blowers. and if the gas cap is red in color, it definetly is a two stroke. you can look up a tecumseh engine manual for the 1538 model series, which is probably the engine yours has cuz it is the most popular two stroke used in the older snowblowers, and that will have the oil mixture for that engine.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Sue Quote  Post ReplyReply Direct Link To This Post Posted: December/12/2004 at 1:53pm

Thank you donp for helping a damsel in distress.  There is no decal or other markings except "See owner's manual" so I'll use 45:1 (it's a lot of teaspooning tho.....  

Seasons greetings from snowy Ottawa, Canada.

Sue

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Post Options Post Options   Thanks (0) Thanks(0)   Quote donp Quote  Post ReplyReply Direct Link To This Post Posted: December/12/2004 at 2:54pm
45:1 will be ok.ilike to be just a tad bit richer tho. in my shop i run just about everything 40:1.
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