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  #31  
Old 12-07-2012, 10:19 AM
Wayne 55 Wayne 55 is offline
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By the way that picture is a example of how NOT to mark the bore for piston to Crank alignment!
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  #32  
Old 12-07-2012, 10:33 AM
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Quote:
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Wrist Pin Keeper came out of the grove and scored the Cylinder wall.
Nope...Getting closer....
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  #33  
Old 12-07-2012, 02:03 PM
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Guess I stumped you guys...
This is not a common failure...
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  #34  
Old 12-07-2012, 02:07 PM
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piston slapper piston slapper is offline
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A closer look at my avatar....
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  #35  
Old 12-07-2012, 04:05 PM
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piston slapper piston slapper is offline
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That wingnut was probably important...
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  #36  
Old 12-07-2012, 07:23 PM
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BigFish BigFish is offline
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Quote:
Originally Posted by piston slapper View Post
That wingnut was probably important...
Ya think?????
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  #37  
Old 12-07-2012, 07:26 PM
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Originally Posted by piston slapper View Post
Guess I stumped you guys...
This is not a common failure...
So what failed first? The snap ring, or the piston? It was the pin that gouged up the wall, right?
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  #38  
Old 12-07-2012, 08:05 PM
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piston slapper piston slapper is offline
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So what failed first? The snap ring, or the piston? It was the pin that gouged up the wall, right?
Well....you're not going to like this...but nobody gave me the correct answer....
The snapring didn't fail...it was NEVER INSTALLED....
I searched every inch of the inside of that engine and didn't even come up with a fragment of a snapring..
As I stated...the engine would run great for hours at a time...and then it would just develop an awful hammering knock...
Shut it off and restart it...ran perfect again...didn't even smoke...
It was a warranty....these engines are still built by people...
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  #39  
Old 12-07-2012, 08:19 PM
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So the broken side had a snap ring in place,no?
And the good side did not have the snap ring, letting the pin do its thing, right?
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  #40  
Old 12-07-2012, 08:35 PM
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Quote:
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So the broken side had a snap ring in place,no?
And the good side did not have the snap ring, letting the pin do its thing, right?
Nope...good side had a snapring....
From what I could figure..when the wristpin dug into the cylinder wall...
The shock shattered the pin boss on the side nearest to the gouge...
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