When I was Uni we toyed with a pair of CR500 barrels with a view to making a V-Twin 1000. The crank was the main problem but imagine what that would've been like. Make a 999 Duke look like a a small dwarf bunny...
Anyone got a parts book for an NSR500V? Be interesting to get some prices for barrels/crank etc... We could club together and build an engine, stick it an RS250 chassis and have an NSR pool bike for trackdays!
Ok, I'll stop with the crack pipe...
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NSR300R - Why did i ever have a 250...