This bit caught my eye…
‘The 865 cc engine internals are stock, but the removal of the oil cooler threw me at first. It’s apparently had no injurious effect: “with richer jetting and new pipes, oil temperatures have not been a problem,” says Hammarhead. “I constructed a custom Spurgin oil cooler for the bike, but while I was waiting for the lines to arrive, my brother encouraged me to throw in a few plugs and light the bike. We ran it with an oil temp gauge and slowly became more confident. For nervous folks (like me) an oil cooler is a no-cost option.”