Taking a grinder to Britain's motorcycling heritage.
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Thursday, 1 September 2011

A pleasant surprise

Johnny is still playing the patience game with the Speed Twin and it's getting results. The gearbox is out and now the head is off as well, no broken bolts, stripped threads or drama, result!

This is the state of the bores in the picture are as they appeared after the head was lifted, nothing has been done to clean anything down since. There is no wear lip around the top and it is easy to fool yourself that there are still visible honing marks.

Turning the head over revealed this!, again no extra cleaning has been carried out. After over half a century of laying about the inlet valves are still shiny! The speedo reads 4774, that can't be right............can it?

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