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Cub smoking problem

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TDH

11-13-2004 19:20:53




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I just put new rings in a 56 Cub and it still smokes. What can be the problem??




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John *.?-!.* cub owner

11-14-2004 19:16:51




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 Re: Cub smoking problem in reply to TDH, 11-13-2004 19:20:53  
Also clean the tube and fittings the run from the air filter to the block.



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Bus Driver

11-14-2004 13:46:18




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 Re: Cub smoking problem in reply to TDH, 11-13-2004 19:20:53  
Tried Nic-O-Derm patches?



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El Toro

11-14-2004 04:32:13




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 Re: Cub smoking problem in reply to TDH, 11-13-2004 19:20:53  
Did you measure the cylinders and valve guides for wear? Cylinder walls have a glaze created by
the old rings and you need to run a glaze breaker
in each cylinder. Then wash each one with warm soapy water. Then rinse and dry and coat with oil. This gives the new rings a surface so the new rings can seat themselves. I would run the tractor under load to see if it stops smoking. Some rings take a little longer to seat themselves. Hal

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scruufy

11-14-2004 04:10:29




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 Re: Cub smoking problem in reply to TDH, 11-13-2004 19:20:53  
Was it just rings? Did you hone or bore... then "Mic" the cylinder? The rings may not be the correct over-size. Was it black or blue smoke, maybe your carb is runnin' way rich,(if it's black)? In any case it will take a bit of time (20 hour+) to get "run-in". Best of luck keep those old girls going.

I bought a cub last night on the way home from my weekly farmers market, took me a year to catch the old boy in, She was seized and forgoten. That will make four. I use them for different families of vegetables and one with a belly mower for pasture clipping.

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