SWM JUMBO AT LAST… THE ENGINE PART 3

With the SWM almost at the rolling chassis stage it was time to turn my attention to the motor which had been waiting its turn under the bench. Somewhat worryingly I had previously noticed that the cylinder head was only held on loosely, ominous portent of something amiss perhaps?

Huge relief therefore, when I took it off to reveal both piston and head looking clean and shiny with no damage. I pulled