It's been made future proof too, so if i decide to change my lock-up clutch for a slider type clutch, i'll be able to machine it down slightly and use it with the slider.
Also this week i took the barrels off to fit a second base gasket. I'd been putting it off as i remember it been a real nightmare getting all the piston and oil rings back into the barrels without breaking them. However, i'd forgotten that last year after i broke a set of cases i left them with Roger Upperton and he added a bit more of a lead-in to the sleeves and it's a lot easier than it used to be. It still requires patience however!
The piston tops now sit 0.6mm down the bores and compression should be the same as it was with the old cylinder head .... 12 and a bit to 1
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