What model is this?

Bernoff

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Going to take some polishing to get mine to look like that.
 

Bernoff

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Oopsy Daisy!!! Didn't realize filter was held on by a little screw. What have you guys done to fix or found parts? Local dealer tried but said he has no one that he knows to contact.
 

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Bernoff

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Thought they would only deal in motorbike stuff but will see what they can find for it. Thanks
 

snochuk

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TheY have done some wotk on my uncles sled.
They will likely know who to call if they don't have it.
 

Bernoff

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Is there anything a guy can do to recondition a really old belt so it does't blow up?
 

Bernoff

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The oil to gas ratio is 20-1. How much lower ratio can a guy go before you start running into fouled plugs and hard starting. Want to give it a bit more just to help it along. Thanks.
 

retiredpop

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The oil to gas ratio is 20-1. How much lower ratio can a guy go before you start running into fouled plugs and hard starting. Want to give it a bit more just to help it along. Thanks.

Here is my take on it. I bought a new T'NT 440 in 1972. Recommended gas - oil ratio was 20:1 just like your sled. The next year Skidoo came out with better quality oil to be mixed at 40:1. The dealer which was Turple Bros. in Red Deer told me it was okay to use it so I did. I had no issue with running at that ratio. The benefit was way less spark plug fouling. I could actually have a few rides without changing plugs. Later on in it's life I switched to running at 50:1 ratio as oil continued to improve and had no issues with that ratio either. I think I had about 7000 miles on it when I eventually sold it after 20 years. A big trip was 50 miles in those days.:d If you think about it if you put more oil in the fuel you actually decrease the amount of gas in a given amount of fuel so you are running a little leaner because of it - not that it matters a whole bunch. Bottom line is that today's quality 2 stroke oil has way better lubricating properties than that of 50 years ago. I certainly wouldn't put more oil in the gas.
 

retiredpop

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Beer Slayer

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Here is my take on it. I bought a new T'NT 440 in 1972. Recommended gas - oil ratio was 20:1 just like your sled. The next year Skidoo came out with better quality oil to be mixed at 40:1. The dealer which was Turple Bros. in Red Deer told me it was okay to use it so I did. I had no issue with running at that ratio. The benefit was way less spark plug fouling. I could actually have a few rides without changing plugs. Later on in it's life I switched to running at 50:1 ratio as oil continued to improve and had no issues with that ratio either. I think I had about 7000 miles on it when I eventually sold it after 20 years. A big trip was 50 miles in those days.:d If you think about it if you put more oil in the fuel you actually decrease the amount of gas in a given amount of fuel so you are running a little leaner because of it - not that it matters a whole bunch. Bottom line is that today's quality 2 stroke oil has way better lubricating properties than that of 50 years ago. I certainly wouldn't put more oil in the gas.


'72 would have been leaded gas....probably $.25 a gal.
 

Bernoff

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MP Kid

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Leaded for sure. I ran premium for the most part. I think it was about $11 or $12 per 45 gallon drum. :eek:

WOW...…!!

When I was in high school, I remember buying farm fuel from my dad for my old truck.... $0.25/L … thought that I was getting a smoking deal... until I realized that the old chevy got about 5 miles per gal

Those were the days..!!
 

52weekbreak

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'72 would have been leaded gas....probably $.25 a gal.

We had a 1969 Nordic 399 (one year older than Bernoff's). I used to walk with a 5 gallon metal pail (empty oil Pail with lid) to the Esso bulk dealer in Leduc by the tracks. I would buy a quart of oil and put that into the can and then have the balance filled with dyed regular fuel. I can't remember the price of the oil but the gas was 20 cents per gallon. I think it was about $1.75 total (under $2.00 for sure) and I would lug this back to our house (we lived just east of the bulk station) and pour most of that in. It was only a five gallon tank so sometimes some was left over and I would add that later. I was 12 years old and man I had fun with that sled.
 

Bernoff

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Sometimes the pail was to full and missed the funnel. Lol. Would have to dig a bit of a runway to get unstuck. Tough as nails back then.
 

darrell

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it is a 1970 Nordic you should check out Davids vintage snowmobile site he has all of the snowmobile ever built on there
 

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