What is this Extra Part after bottom end rebuild.

Black Panther/Street Moto, Baghira, Enduro, Mastiff, Skorpion Traveller and Tour.

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What is this Extra Part after bottom end rebuild.

Postby Ferd » Sun Oct 12, 2014 11:27 am

So after finally getting around to rebuilding my engine... I have this left over.

Do any of you engine gurus have an idea where his goes?

https://plus.google.com/u/0/photos/1029 ... 9899648849



I found it after buttoning up the cases.. I then proceeded to re-disassemble them, remove the tranny parts and investigate, but I could not find a place for it.

It does not appear to be polished on the inside so doesn't seem to be a bearing.
It doesn't fit any of the locating pin holes.

I'm stumped.

Thanks in advance oh wise forum contributors :)

Adam
Last edited by Ferd on Sun Oct 12, 2014 5:52 pm, edited 1 time in total.
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Re: What is this Extra Part after bottom end rebuild.

Postby DAVID THOMPSON » Sun Oct 12, 2014 3:21 pm

what bike
and the link will not post at my location on 3 different computers i tried
Dave 2002 MZ RT125+1995 Saxon Tour(500cc)
1997 MZ 660 Traveller+6/13/09 WV USA
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Re: What is this Extra Part after bottom end rebuild.

Postby Ferd » Sun Oct 12, 2014 5:23 pm

Its a 660 MZ motor. Froma skorpion.

photos link has been edited. THanks!
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Re: What is this Extra Part after bottom end rebuild.

Postby edfmaniac » Sun Oct 12, 2014 9:30 pm

You gotta be kidding me! Myself and another person that responded to my thread did the same thing. LOL And still, nobody knows. My engine has about 750 miles on it now so it must not be that important. :) viewtopic.php?f=3&t=6851
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Re: What is this Extra Part after bottom end rebuild.

Postby edfmaniac » Sun Oct 12, 2014 9:34 pm

If you didn't service your top end, at least we know it's not from that part of the engine. I was unsure in my case. What exactly did you do? Right side only? Left side only? Let's narrow this thing down and find out where the damn part goes.
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Re: What is this Extra Part after bottom end rebuild.

Postby vicar » Mon Oct 13, 2014 8:24 am

It would appear to be a locating dowel, a way of ensuring castings locate exactly as intended, a fixing screw or bolt passes through the dowel the screw is only just a fit through the dowel so if you reassemble with the dowel missing it looks like everything is fitted and you have a mystery extra part ....The dowels often stay in the casing so you don't realize they exist....
If only one bike was enough..............
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Re: What is this Extra Part after bottom end rebuild.

Postby edfmaniac » Mon Oct 13, 2014 9:35 am

That's been suggested in my thread but the part has a flange on one end. I've never seen an alignment dowel like that. ;)
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Re: What is this Extra Part after bottom end rebuild.

Postby Ferd » Mon Oct 13, 2014 3:49 pm

edfmaniac, lol, exact same part!

I installed a new Crank and Rod. I haven't put the top end back on yet.

This came from the bottom end though, that is certain. When I disassembled, 6 months ago, I put all the parts into separate plastic baggies and boxes, etc... This part revealed itself after the bottom end had been laying on it's side as I torqued the case bolts. I think it must be a keychain accessory...

Glad I'm not the only one. and glad your motor is going strong!
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