first job was stripping the donor ready to transfer the innards to the original cases. There were a few problems.
Firstly there were a couple of sheered bolts in the cases so they needed extracting.
Secondly, the previous owner of the donor engine had (in their immense wisdom) welded the sprocket to the counter shaft and made quite a meal of it. The problem here is I don't own an angle grinder or a dremmel, so I had to settle for an air powered die grinder but the compressor can't handle than much air so I had to wait every few minutes for the compressor to fill. After 2 hours of patience and grinding the sprocket finally came off.
Third problem was the lack of correct bearings. I had been given a link to a forum where someone had very helpfully listed the bearings needed for the engine but they had listed 2 6203 bearings in stead of the proper 6303 bearings, so 2 new 6303 C3 bearings have been ordered and should hopefully be here tomorrow so I can then close the engine cases and get the clutch back on ready to test the gears before bolting the whole thing together.
Exciting times.
Took both cranks to the local bike shop "Woods Motorcycles" who confirmed the donor crank had play in the big end. Not good, but on the upside that rusty wreck of a crank that came with the bike was spot on so I have cleaned it up and it's fine. The other crank will be sent to be rebuilt and will be saved for a future rebuild.
The donor cases will soon be getting the soda treatment and then I'm going to try and get my money back on eBay.
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