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| Posted: Tue Mar 29th, 2022 03:32 pm |
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1st Post |
Mike Berg
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Can some one tell me what is the correct taper on McCulloch engines and also the Yamaha KT100? I was told they are the same is this true?
Thank you.
Mike Berg
magmo44@att.net
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| Posted: Tue Mar 29th, 2022 05:02 pm |
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2nd Post |
Larry Brown
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Mike - The tapers are both 10 degrees, the the Mac taper is longer and the Yamaha is a shorter taper. Someone can correct me, but I believe this is accurate.
Larry B.
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| Posted: Tue Mar 29th, 2022 09:43 pm |
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3rd Post |
| Posted: Thu Apr 14th, 2022 07:16 pm |
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4th Post |
Mark Loraine
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I seem to recall a post from Dave Luciani on his website sometime ago that one or the other was 9 or 9 1/2 degree's on the taper requiring a good hard lapping to fit the hub to the taper.
course lapping compound used to start with for faster process and then a less course compound to finish off the fit.
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| Posted: Fri Apr 15th, 2022 09:19 pm |
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5th Post |
Larry Brown
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Mike - As I had stated before, the McCulloch and Yamaha PTO tapers are both 10 degrees, with the Yamaha taper being shorter than the McCulloch taper.
As to Mark's post, I believe that the 9 degree 30 minute angle is what is used on the IAME PTO. I do not have any IAME cranks to measure, but in any case they are different from the Yamaha and McCulloch PTO tapers.
I took from your original post, that you were only trying to verify that the McCulloch and Yamaha angles were the same.
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| Posted: Sat Apr 16th, 2022 10:31 am |
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6th Post |
Mike Berg
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Thanks again Larry, I kinda remembered some tapers being different and you just revealed it, Thank you, you have a very good memory.
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| Posted: Sat Apr 16th, 2022 11:55 pm |
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7th Post |
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