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Old 03-20-2014, 07:08 PM   #1
c-zulu OP
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Concerned

Well I finished my SE valve adjustment, got everything buttoned up and started the bike and everything sounded good and I noticed this on the right side of the motor..



This is the crank locking tool and while I remember finger tightening this when I installed it, I forgot to uninstall it before firing the bike..

It's a little shy of 1/8 inch tip that's missing from the screw..

Do I keep checking the oil and screens for the next 50 miles? Split the cases?

Thoughts?
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c-zulu screwed with this post 03-21-2014 at 03:50 AM
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Old 03-20-2014, 07:24 PM   #2
phycospecialties
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Oh oh

It's gonna blow up for sure! Serious though get a magnet and go searching here's a hint it will be at the bottom.
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Old 03-20-2014, 07:26 PM   #3
gearheadE30
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I guess I don't know what the hole that that contacts looks like, but if it sheared the end off, that's a pretty big chunk. It wouldn't take long for that to end up in the screen, and no way would it make it all the way to the filter. May as well check that now. If it just ground the end off, it's probably fine and will just show up as some metal in the oil, which is already full of clutch material with is much more abrasive. Just change the oil in 50 miles or something. You should be able to tell if it wore off or sheared off based on what the end of the bolt looks like.

If you have the time, you could always pull the clutch/water pump cover and see if you can see the bits in the bottom of the engine, but I really don't think it's worth splitting the cases or anything else over. The oiling system is designed to flush stuff like that out and into the filter and screens in the event that debris does get in the engine, and since the oil level is relatively low in there anyway, I wouldn't think it would get sucked up into the higher parts of the engine.

and I would strongly suggest grabbing a beer and coming back to it tomorrow. Working on stuff when you've got that nervous angry adrenaline feeling going is just asking to screw something else up, at least when I'm working on things...
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Old 03-20-2014, 07:51 PM   #4
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Remove screens and check with magnet for chunk. Don't split cases and don't commit suicide. Are you sure you had TDC for your valve adjustment? I am thinking that the motor would not turn if the locator bolt was properly seated in the crank...
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Old 03-20-2014, 08:32 PM   #5
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If it was only finger tight, it wasn't seated all the way in the matching conical hole in the crank weight and could have easily taken the tip off when he hit the starter. So ya fucked up twice.
It might drain out with the oil in the engine. Otherwise, yeah, go in the screen cover with a flexible magnet and start fishing.
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Old 03-20-2014, 11:08 PM   #6
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Quote:
Originally Posted by c-zulu View Post
...
Do I keep checking the oil and screens for the next 50 miles? Split the cases? ...
I would want to find it before doing any miles.

My engine was ruined by a stray piece of metal crankcase that had been in there for no one knows how long.

It was a much larger bit than yours, but it did enough damage that it was cheaper to replace the engine with a used one than to fix it.
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Old 03-21-2014, 02:03 AM   #7
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Quote:
Originally Posted by renogeorge View Post
Remove screens and check with magnet for chunk. Don't split cases and don't commit suicide. Are you sure you had TDC for your valve adjustment? I am thinking that the motor would not turn if the locator bolt was properly seated in the crank...
I checked multiple times (TDC) to make sure the timing marks and valve lobe orientation were correct before I removed the cam bridge and cams.
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Old 03-21-2014, 02:25 AM   #8
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Originally Posted by gearheadE30 View Post
You should be able to tell if it wore off or sheared off based on what the end of the bolt looks like.

Bolt looks like it was wore off not sheared, thinking it's small bits in the oil. Checked the screens and drained the oil and there were some small bits of debris found but nothing conclusive..
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Old 03-21-2014, 02:58 AM   #9
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Thumb Suicide

yes that's a good idea and please leave the bike to me.
I know what you fel like having done something similar but the statute of limitations is ok now.
I don't know if it's possible but can't you rig something and flush the crank case with kerosene or diesel?
The piece is not very big and you should trap in the screen, whatever good luck!!
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Old 03-21-2014, 03:28 AM   #10
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sell it cheap while you can!


hell. i'll do you a solid, and take it off your hands
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Old 03-21-2014, 05:46 AM   #11
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I'll check the screens,filter the oil (coffee filters?) and poke around with a magnet and see what I come up with..


Thanks for the suggestions..
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Old 03-21-2014, 07:22 AM   #12
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Oh shit. And I thought breaking off my nipple was bad.:loll

That shits just laying in the bottom of the engine. Ride it.
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Old 03-21-2014, 07:49 AM   #13
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Quote:
Originally Posted by DELTATANGO View Post
...
That shits just laying in the bottom of the engine. Ride it.
Quote:
Originally Posted by MortimerSickle View Post
...
My engine was ruined by a stray piece of metal in the crankcase that had been in there for no one knows how long.
..
Oops, I left out a couple of words.

And also, I should have been clearer: the metal had been in there without incident for no one knows how long- then it apparently moved just enough to get kicked up by the crank.
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Old 03-21-2014, 07:54 AM   #14
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Quote:
Originally Posted by MortimerSickle View Post

My engine was ruined by a stray piece of metal crankcase that had been in there for no one knows how long.

It was a much larger bit than yours, but it did enough damage that it was cheaper to replace the engine with a used one than to fix it.
Locking tool or what piece of stray metal are you refering too?
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Old 03-21-2014, 08:03 AM   #15
MortimerSickle
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Originally Posted by c-zulu View Post
Locking tool or what piece of stray metal are you refering too?
Nobody could figure out what it had been. It was battered into an odd shape about the size of a dime. It could have been dropped in by some mechanic, or could have been there since assembly at the factory.

It's a mystery, but I now do all my own work.
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