Haha.............

The decoke and skim sound like a plan. You just getting them flat or going for a couple a tenths to up the compression a bit?

Nah, just flat. It's a roadbike the last thing I want to do is get involved with tighter tolerances.
The cases are away for welding and I've bought a valve spring compressor

Head and Barrels skimmed. I need to clean up the head, pistons, and lap the valves ....

So after a couple of false starts I got around to cleaning up the head. I bought a nice valve spring compressor - it was to big for the valves, so I bought a cheap one instead. I got some freezer bags at the local shop for a quid, drew up a diagram and made some labels. All the valves came out and I got the dremmel out to clean up head, then the valves as they got put back. I also ground them in. The head needs to be washed with some petrol to get as much dust off it as I can before refitting, but it's ok for now.















Aren't collets a pain ???
I rang up the garage and the cases are welded so I'll sort some time and collect them.

Did you use a dab of grease on the valve stem and surgical forceps to handle the collets Boris. ?

A dab of grease on the valve and a small flat blade screwdriver also with some grease on to place them.
I dropped three of them, one popped out when I was compressing a spring, one stuck to a spring when I put it back, and the last I just dropped.

It's when they ping into your eye when you get proper vexed with the little blighters.

Yes I can imagine they go for the eyes

Things have moved on in the last week or so. I got a new cam chain and the cases came back from being welded.

I laid up the crank to check the clearance from the welds to the flywheel, then practice fitted the lower case, the chain follower needed a bit of guidance. I applied Three Bond with a razor blade to keep it thin - but I forgot the cam chain so had to take it apart clean it all and do it again.



I did remember the oil control though







The water pump and oil pump shafts join (you can see them below the two bolt holes with orange thread lock)



Sump on ...



and starter gears in.