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Reload this Page Continued engine problems with my 129
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  #31  
Old 09-02-2017, 09:51 PM
three4rd three4rd is offline
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He didn't take the flywheel off. He was talking about the basket pulley. He's never had the engine out of the tractor.
BUT....in any future nightmares I'll bet it'll involve me working deep into the night with engine parts and stuff laying all over my garage floor that I have no idea how to put back together!!
  #32  
Old 09-02-2017, 09:53 PM
three4rd three4rd is offline
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As long as a spark plug is in the combustion chamber, location only matters to get the best possible combustion. Early K series the plug was between the intake and exhaust valves. It was moved to the front over the exhaust valve, we believe, to get a better, or more clean burn. It seems to be a better location, as the guys who pull or "ramp up" the power of the motor say that head can make a bit more power.

I agree.... probably time to just get it over to your bro.
So the piston is....where....closer towards the rear of the tractor right next to the valve? I'm confused when you say it is "over the exhaust valve". If that were the case, then aren't I still seeing the piston in the plug hole? Arrrggghh.....
  #33  
Old 09-02-2017, 10:03 PM
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The spark plug hole is over the exhaust valve.
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  #34  
Old 09-02-2017, 10:10 PM
three4rd three4rd is offline
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The spark plug hole is over the exhaust valve.
In that case I spent aLOT of time trying to describe to my brother all about how I think the piston position does not seem to jibe with what the points are doing with respect to where the flywheel marks are during the engine cycle. Gotta stop talking and posting so much about things I really don't understand all that well. At this point (no pun intended), while I'm still learning new things from all the replies, it's ultimately not productive if I'm not going to do much more work on the tractor myself anyway - at least not with regards to this issue. I'm just taking up alot of forum space and everyone's time. You guys are so helpful though! This is an amazing forum.
  #35  
Old 09-03-2017, 12:07 AM
J-Mech J-Mech is offline
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So the piston is....where....closer towards the rear of the tractor right next to the valve? I'm confused when you say it is "over the exhaust valve". If that were the case, then aren't I still seeing the piston in the plug hole? Arrrggghh.....
This help?

20170902_213802.jpg
  #36  
Old 09-03-2017, 12:32 AM
three4rd three4rd is offline
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This help?

Attachment 87408
I feel really dumb thinking that the piston would have been that small now that I see this picture!! That helps alot. I'm going to send that pic to my brother - undoubtedly he'll get a chuckle out of it, especially after not just a lengthy phone call this evening discussing the mysteries of why my piston doesn't seem to be at the right place during the engine cycle, but also a few rather long emails back and forth regarding all of this.
  #37  
Old 09-03-2017, 12:52 AM
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i feel really dumb thinking that the piston would have been that small now that i see this picture!! That helps alot. I'm going to send that pic to my brother - undoubtedly he'll get a chuckle out of it, especially after not just a lengthy phone call this evening discussing the mysteries of why my piston doesn't seem to be at the right place during the engine cycle, but also a few rather long emails back and forth regarding all of this.
  #38  
Old 09-03-2017, 12:56 AM
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I feel really dumb thinking that the piston would have been that small now that I see this picture!! That helps alot. I'm going to send that pic to my brother - undoubtedly he'll get a chuckle out of it, especially after not just a lengthy phone call this evening discussing the mysteries of why my piston doesn't seem to be at the right place during the engine cycle, but also a few rather long emails back and forth regarding all of this.
Why? You learned something new today. So instead of "feeling dumb", feel a little more educated.
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  #39  
Old 09-03-2017, 01:01 AM
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Why? You learned something new today. So instead of "feeling dumb", feel a little more educated.
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  #40  
Old 09-03-2017, 01:41 AM
three4rd three4rd is offline
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Why? You learned something new today. So instead of "feeling dumb", feel a little more educated.
Good point...you're right. 'We grow too soon old and too late smart' as the saying goes in my neck-of-the-woods!
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