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Author Topic: "Mystery" noise discovered...not so much a mystery any longer...  (Read 5579 times)
BlackKat
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« on: September 07, 2011, 05:42:36 PM »
As Homer says... DOH! Not at all what I wanted to see.....






BUT.....These showed up today....not that a couple 1080 big bore pistons are gunna solve everything...looks like all new crank bearings and I might have the crank balanced and polished...HELL, I'm in there...WHY NOT!?!?
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toodlepip
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« Reply #1 on: September 07, 2011, 05:50:04 PM »
 drool
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Speeddog
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« Reply #2 on: September 07, 2011, 06:24:22 PM »
Year, model and mileage of that cracked piston?
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BlackKat
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« Reply #3 on: September 07, 2011, 06:29:13 PM »
2007 S2r1000 at 19k miles...

 bang head
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Speeddog
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« Reply #4 on: September 07, 2011, 08:14:25 PM »
At 19k miles?
That sux.

Good that you found it before it went nuclear.  Tongue
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BK_856er
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« Reply #5 on: September 07, 2011, 09:05:28 PM »
Wow.  Guess I missed an earlier thread, if there was one.

What did that sound like, and what causes a piston to fail like that???

BK
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ducatiz
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« Reply #6 on: September 07, 2011, 09:16:38 PM »
bad forging

youre a lucky SOB
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BlackKat
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« Reply #7 on: September 08, 2011, 03:38:10 AM »
Hard to say what exactly the cause was...I have to break her down more so this evening to see what other parts are damaged...Titanium rods anyone? haha

UGH!
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duc996
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« Reply #8 on: September 08, 2011, 04:23:12 AM »
Wow! at such a young age?  i also would like to know what caused it.
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Bishamon
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« Reply #9 on: September 08, 2011, 06:37:39 AM »
Yikes!  I thought the DS1000 motor was supposed to be 'bullet-proof'!  Scary.
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numbskull
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« Reply #10 on: September 08, 2011, 09:27:54 AM »
Quote from: BK_856er on September 07, 2011, 09:05:28 PM
Wow.  Guess I missed an earlier thread, if there was one.

What did that sound like, and what causes a piston to fail like that???

BK


+1. Owning the same bike, I'd like to hear what the sound/symptoms were that caused this.
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BlackKat
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« Reply #11 on: September 08, 2011, 03:59:10 PM »
No actual symptoms to mention...I ordered a new crank and rods (bearings, gaskets, seals..crush washers...etc) both in stock form. I might send the crank out for polishing and balancing...but for now a stock replacement should be just fine.

I haven't had the bike that long. Maybe put 1200 miles on her or so before all the custom stuff. Looks like perhaps the oil pump failed. Still haven't split the case. The crank and rods were ordered on the suggestion of my tech who has 30ish years working on bikes..most of that with ducati.

Basically, we got the bike back from HMF who made the amazing custom exhaust for our project, threw her up on the dyno for some tuning and upon the 2nd pull, the oil light flashed a bit and the noise began. My tech exhausted every possible "small" test he could before surrendering to the fact it was big...we took the vertical cylinder apart last night to discover what we did...that was where the noise was certainly coming from...

As i have more answers, I'll keep you guys updated. Prolly a freak occurrence. I have to doubt that any of you with the same motor and similar mileage have anything to worry about.
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Hellraising-vtec
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« Reply #12 on: September 11, 2011, 11:22:30 AM »
damn man. good luck. hope its much better when you finish it
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« Reply #13 on: September 11, 2011, 05:47:01 PM »
any updates?  i was going to say, you're almost better off buying a brand new DS1000 instead of attempting the repair and replacement of all those parts. after labor, i think a engine swap would be cheaper no?
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« Reply #14 on: September 11, 2011, 06:54:31 PM »
i think he works in the business so prob not paying much if any labour other than outsourced parts.
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