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scorpion tk 440 problem

Tuning/Tech/Articles

 
 
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  #1  
Old 01-16-2011
demonchevy13
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Thumbs down scorpion tk 440 problem

ok so i'm new to collecting old sleds and my first purchase was a tk 440, the problem is is that the sled has a brand new top end and unfortunatley i did not do the work. I am having trouble with carburation. It is a mikuni carburator and i'm just stumped. The engine is getting way too much fuel, it will run for about 30 seconds and flood and if i pinch off the fuel line hold the throttle open nd pull it over a few times it will start, and run out of gas. I can do this all day wit hthe thing but i just can't get the carb to work properly. i have tore it apart and cleaned it and i still get the same results. So what do i do now, i would really like to use the carb as it is the original carb for the sled...
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  #2  
Old 01-16-2011
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That's the Mikuni B* (butterfly) carb, correct?
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  #3  
Old 01-16-2011
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i'm not familiar with it to much but it is not a butterfly type it has the sliding thing (sorry for being vague).... i hate to sound stupid but i can rebuild a chevy v-8 like there is no tommorow but when it comes to snowmobiles im a little lost especially with carb's
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  #4  
Old 01-16-2011
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they have a needle and seat in then just like a chevy, clean or change it.
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  #5  
Old 01-16-2011
demonchevy13
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i had a guy come over tonight to take a peak at it and the needle is a little loose in the seat although the hole in the seat is not ovular i think it is loose enough to let too much gas threw.
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  #6  
Old 01-16-2011
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I really don't remember the scorpions having mikuni's, let alone venturi slide style mikunis.
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  #7  
Old 01-17-2011
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well i was told it was the original crb but i cant actually say, it is a 79 tk, so now my question is what IS the right carb for it?
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  #8  
Old 01-17-2011
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Damn, my book does not even show the TK.
You might ask here;
vintagesleds.com - Index
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  #9  
Old 01-18-2011
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your POSITIVE its this one....and go on here and ask these guys

http://www.trailasled.com/19691981/1979TK.htm

http://www.trailasled.com/index.php
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  #10  
Old 01-18-2011
demonchevy13
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that is the sled!!
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