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Yep, thats the one thats in it.

I will be getting them measured at an engineering place in the next day or so ( I don’t have the tools for this) but a rough measurement wth a vernier gauge indicates a difference of about .25 of a mm.

Wellll, I’ve got a new left side main bearing from MDina Italia which apparently is a modern replacement for the original. After having the new bearing pressed into the crankcases the next problem has arisen. The crankshaft, which I believe should just ‘slip in’ doesn’t. A few gentle taps don’t help...

Cactus wrote: ↑30 Dec 2024 14:56 Thanks

simonnorthroad wrote: ↑25 Dec 2024 10:04 I have at least one. I'm in Bath. PM me. I'm keeping one back for my 500/5

Thanks simonnorthroad, I’ve managed to get one from Mdina Italia

Well, at least it’s ordered!

Thanks

simonnorthroad wrote: ↑25 Dec 2024 10:04 I have at least one. I'm in Bath. PM me. I'm keeping one back for my 500/5

Thanks simonnorthroad, I’ve managed to get one from Mdina Italia

The saga continues, can anyone recommend a supplier of a left hand side main bearing please?

Thanks 3potjohn,
I knew where the dowels go, it was all the measurements that were doing me in! Trying to make sense of not enough information. Steve Brown has set me on the correct path.

Thanks very much Steve. That explanation is the clearest I’ve had. All systems go now.

Bear with me if this has been asked before! I have a 1978 500 motor that was assembled without the dowels that go in the front and rear engine mounts. I have dis-assembled the motor and managed to secure ,not one, but two sets of these dowels from 2 different continents. Confusingly for me, they are...