So I finally got round to getting my flywheel off (which was surprisingly painless after I tapped the new threads), and I found all these fragments of .. something .. sitting at the bottom of the clutch housing:


(I'm just holding it there for scale.. I have no idea whether or not it's meant to live somewhere around there)

Does anybody have any idea where these might have come from?

Cheers,
Harry

HARRY33

(I'm responding so I get a reminder)

I gotta know too!!!!!!!

When I stripped my 850 for the rebuild, I had almost the same bits. I asked around and no one could tell me???

I had enough bits to make a circle, but couldn't find where it broke off. I eventually put the new clutch in and everything seems alright.??

Watching with interest,,,,,////
Alex.

I'm only guessing, but surely someone hasn't tried to "shim" the primary gear end float??

Cheers Shane

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If it's not a Cooper S, the mini was designed to be modified!

Correct, actually not uncommon.

nasty!! I've never heard of that being done!

that said, I have a modified primary gear in my engine (has been there for the last 12 years) and we had to put dobs of weld on the C washer (then surface ground flat) to push the other bit closer to the bush

Seen a couple, and had one myself for a while, no worries at all. The shim should be a full circle though, I really can't see how one gets torn up and spat out - I'd suggest there's something else going on to cause that (i.e something wobbling that should be).

Slightly off topic - also saw a master seal today installed backwards - also no problems. Bit of oil in there, but no clutch slip! A series have their issues, but in their own way they're also pretty damned forgiving!

Shimming is not a great idea there.
I have built up the outer washer with nickel bronze then machined to size in years past, that works well.
But usually you can fix it with new parts- bronze inner thrust washer, outer stepped washer, and C-washer.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Agree, not a great idea.

But infinitely more accessible to the home mechanic than some other options.