Piston pin circlip

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Piston pin circlip

Post  grizzly on Sun Aug 04, 2013 11:05 am

First sorry my bad English, I'm not native speaker.
Why it is recomended not to aligne so? For a safer removal of the pinclip. Because I yesterday reinstalled the cylinder, piston and head and forget to aligne the clips like it's described in my (English) manual. For me I cannot imagine that they are not safe in this position but who knows?

Any ideas.

Also this "plugged in" oiljet in the crankcase makes me sorrows. It's seems me only fixed by the two o-rings, ...

any ideas?
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Re: Piston pin circlip

Post  Mauser on Sun Aug 04, 2013 1:44 pm

I would think its down to strength, having the clip gap over the piston cut out would make a weak spot ?.
Can you not reach in and turn it around to the better position as shown in the manual ?

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Re: Piston pin circlip

Post  grizzly on Sun Aug 04, 2013 2:24 pm

Hi, thanx for reply.
The problem is, the engine head is installed in the meantime. If I'd take it off again, think I'd change the gaskets again (engine wasn't runing yet)?
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Re: Piston pin circlip

Post  BuRP on Mon Aug 05, 2013 1:39 pm

Yes, once torqued they 'sag', reduce in thickness - hence new ones to be used.
I'd not worry too much though, entire legions assemble engines without looking at a manual. As long as they're in the groove all will be fine.
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Re: Piston pin circlip

Post  grizzly on Mon Aug 05, 2013 1:49 pm

BuRP wrote:... As long as they're in the groove all will be fine.
Would agree and continue assembling my "red pig"!
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gudgeon pin clips

Post  temporary kiwi on Wed Aug 07, 2013 3:00 am

the reason to not align with the cut out/notch with gap in clip is so that you can get your clip remover under said clip and remove it without damage to the piston

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