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  #11  
Old 07-06-2010, 12:00 AM
backwoods backwoods is offline
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iam honing the cylinder tommorow ill be also putting some new pics up..
this will be my first time doing this so any advice or website that would be helpfull...i have read up on it exc.. and have a kohler manual.. iam going to use a variable speed drill and iam..
thanks
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  #12  
Old 07-07-2010, 02:35 PM
backwoods backwoods is offline
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I need some help i honed the cylinder ....but if you were rebuilding a 40 year old engine what else would you do? what should i do? lol ....
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  #13  
Old 07-07-2010, 05:34 PM
Merk Merk is offline
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Quote:
by backwoods
but if you were rebuilding a 40 year old engine what else would you do? what should i do? lol ....
I've been rebuilding small motors long enough (over 35 years) to let an automotive machine shop to the boring-honing the cylinder. They have the correct equipment to do the job. I've been a machinist for 35 years.....I don't have the right equipment at home to do the job the right way. There is more to it than using a hone and a variable speed drill when it comes to boring a cylinder.

Did you mearure the cylinder bore like the Kohler manual showed?
How did you measure it?
What are the measurements?

You will need those measurements to deside what piston and rings you will need. I will measure and record the bore diameter and crank journal when I take a motor apart. Kohler has min-max tolerance on the crank journal and bore. They aslo have a max allowance on taper for bore and crankpin. I would replace the connecting rod too.
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  #14  
Old 07-08-2010, 05:47 PM
backwoods backwoods is offline
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Quote:
Originally Posted by Merk View Post
I've been rebuilding small motors long enough (over 35 years) to let an automotive machine shop to the boring-honing the cylinder. They have the correct equipment to do the job. I've been a machinist for 35 years.....I don't have the right equipment at home to do the job the right way. There is more to it than using a hone and a variable speed drill when it comes to boring a cylinder.

Did you mearure the cylinder bore like the Kohler manual showed?
How did you measure it?
What are the measurements?

You will need those measurements to deside what piston and rings you will need. I will measure and record the bore diameter and crank journal when I take a motor apart. Kohler has min-max tolerance on the crank journal and bore. They aslo have a max allowance on taper for bore and crankpin. I would replace the connecting rod too.
i know your right..i have a cylinder hone an inside micrometer and a drill press
i messured it in 3 spots near the bottom middle and topish its wierd where the pistion sits its 2 inches even ...middle and top measured out at 2inches 2mm the cylinder also has bad score marks from top to bottom ill try to get a pic....i havent been able to find a shop to do it for a reasonable price if you know of one in central ohio let me know...
the jurnal is in perfect shape
i plan on changing connecting rod/piston/vavles/ points..if iam missing anything let me know
thank you so much for the response and help
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  #15  
Old 07-08-2010, 06:02 PM
backwoods backwoods is offline
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here you can see the vertical scoring ignore the darn rust
Attached Images
File Type: jpg s 046.jpg (31.8 KB, 35 views)
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  #16  
Old 07-08-2010, 06:11 PM
Merk Merk is offline
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I have a K321 getting bored right now. I will let know how much they charge.
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  #17  
Old 07-08-2010, 08:31 PM
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Matt G. Matt G. is offline
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Get a new governor gear and cross, shaft too.
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  #18  
Old 07-08-2010, 09:52 PM
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jeffscub jeffscub is offline
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Quote:
Originally Posted by backwoods View Post
here you can see the vertical scoring ignore the damn rust
my 108's cyclinder wall looked like that and it WILL not hone out. i don't know what causes that, but when you find out, let me know too. if you were in alabama, i could have it done plus the valves reset (?) for $50. i am gonna wait till later to do the 108 and save my money and completely redo the 1200 this winter. jeff
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  #19  
Old 07-08-2010, 10:59 PM
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Matt G. Matt G. is offline
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That's probably either dirt that got ingested into the engine or broken rings.
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