getting back to the pinnacle of modern motorcyle and engine design that is the VFR400 the cases are designed for 60hp which was the most that an engine in that class was allowed to produce. When they went racing (and remember it was hyper competitive at the time) they were getting 75hp out of them and the cases were OK. When that mad Yank started boring and stroking them to nearly 500cc and looking for 100* hp, not so much.
I should just clarify that I wasnt serious about using nylocks on crank bolts. Clearly the best thing would be bacon grease for thread lube and a few wraps of duct tape to hold it on. Maybe a zip tie for extra peace of mind.
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