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'73 SKIDOO fuel/oil ratio?

SLAYERFISH

By SLAYERFISH
in Snowmobile Users

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Greg T Contributor

Greg T

Posted
Posted

My brother and I have been running 50:1 in all our oldies with no problems.

We were told that gas and oil is much better today than it was back then, so they don't have to be as rich.

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hanson Grand Master

hanson

Posted
Posted

Those early 70s engines were also designed to run on leaded gas. Remember that?

50:1 should be fine but you could mix it richer if you want.

I also wouldn't be a afraid to run a synthetic oil either such as Klotz or Amsoil.

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PierBridge Grand Master

PierBridge

Posted
Posted

My new 76 Arctic Cat Pantera.. grin.gif.. has a sticker that calls for 20-1....thats a bit rich for trolling around on frozen lakes so this tank is mixed at 30-1, I may try 40-1.

Older Polaris's called for 40-1.....

50-1 sounds a little lean to me but it should work.

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hanson Grand Master

hanson

Posted
Posted

All this talk about mixing my auger gas with Amsoil at 100:1 may have got me a little off base.

I believe 20:1 was the recommended mixture. I can dig out my old Sno-Jet owners manuals to verify.

I do believe that with the modern oils, mixing it a little leaner than 20:1 should be workable though.

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PierBridge Grand Master

PierBridge

Posted
Posted

Quote:

Where did you get the pantera from? I love those things man they rip!!! I seen one in courtland but when I called on it it was gone
frown.gif

Yep that's the one.....Sorry....it runs great and yes it does Rip, it's a 500 and it weighs nothing, amazingly clean machine you saw the track and cleats 1200 actuall miles but it sat outside for many years, I fixed the seat with black ductape put the windshield on today tomorrows the tow hitch, it's a cool little sled I'll post a pic when she's done.

The best part is it's put me on fish already... wink.gif

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