oldkawboy
Needs a job
Posts: 2125
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posted May 29, 2010 06:25 PM
Pictures of my 12's engine.......
Below are several shots of the damage. The wrist pin is froze solid & there is no blueing anywhere. The outboard circlip is gone but they were all installed with no problems.
I'm really surprised how great the head looks, I was concerned that it was killed.
The cylinder walls looked good except #4 fell apart when we got the engine out.
The piston is distorted as you can tell in the picture.
Any ideas?????????
Thanks,
Dan
  
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dougmeyer
Needs a job
moderated
Posts: 2713
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posted May 29, 2010 06:52 PM
Need to see the "undamaged" parts from other cyls. Where is the "missing circlip or parts thereof? Any evidence of V to P interference or tight squish? Pic of bearings?
doug
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It's not that I think you're dumb, it's just that so much of what you know isn't true....
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gilberjj
Needs a job
Friend of Fast
Posts: 3196
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posted May 29, 2010 07:39 PM
Wow, nice destruction!
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ZRXDean
Needs a job
Posts: 2225
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posted May 30, 2010 09:16 AM
A little Scotchbrite and that piston is good for another round.
Wow.
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gilberjj
Needs a job
Friend of Fast
Posts: 3196
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posted May 30, 2010 11:09 AM
 Edited By: gilberjj on 30 May 2010 19:11
quote:
A little Scotchbrite and that piston is good for another round.
Wow.
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entropy
Moderator
Posts: 8671
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posted May 30, 2010 09:03 PM
Dang Dan, i've not ever seen a chunk that big knocked off the cyl.
when you do it, you do it RIGHT!
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This moderator uses moderation in moderation
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woppi
Pro
Posts: 1362
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posted May 31, 2010 02:57 AM
Damnnnnnnnn
never seen such a damaged cylinder !!!!!! grrrrrrrrrrrrr that hurts !!!!!!!!!! grrrrrrrrrrrrrr
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1st TFA Member / Austria !
" if it has wheels or titts - sometimes you will get troubles "
2000 Limited ZX12R NOS
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THE ICE MAN
Expert Class
Posts: 195
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posted May 31, 2010 09:56 AM
Squish too tight and beat the bearings out is my guess judging by pics of #3 piston
Need pictures of the rest of pistons in the bore dont wipe clean or touch anything
just pics.
Also like doug said like to see bearings on 1 2 3 rods
Sal.
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VincentHill
Needs a life
Posts: 6520
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posted June 03, 2010 11:46 AM
Dan, I know we are friends, but this is taking together ness waay to far! What were you doing?
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Made History @ Daytona and still one fast old man!!
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oldkawboy
Needs a job
Posts: 2125
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posted June 04, 2010 05:32 AM
Vincent,
The week before Maxton I had the bike on a dyno for fuel & timing tuning when it let go, #4 rod broke on the small end.
I had built the engine over the winter & had 500 miles on it with one short dyno session a month or so earlier.
I pulled the valves out and all four were bent (no surprise) on that cylinder. I also removed the rod and the bearings looked great and the journal seems perfect.
Good to hear from you,
Dan
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