Beemer time...

Marcolino's engine is back after a rather pricey upgrade: ported/flowed heads, lots of new seals and gaskets, new piston rings, a new conrod (!), new bigger carburetters, and refurbished electrics, including a brilliant upgrade to electronic ignition, which is supposed to be worth up to 5hp. Awesome.
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And here's the conrod that got replaced. It's visibly bent, with an ominous hairline fracture that would have turned it into shrapnel for sure. Good save...