New Une Sonorite Incroyable! Guy Coulon's 300Cc Half Dozen Cylinder Motorcycle
Starting amongst 2 CBR250 engines, he machined his ain cylinders in addition to crankcase, machined a crankshaft from enterprise alloy in addition to fifty-fifty designed his ain gearbox.
How?
He's the crew principal on the Tech3 Motogp team, in addition to has the store resources of a race squad at his disposal.
they figure redline is well-nigh 22,000 rpm
http://thekneeslider.com/300cc-inline-6-cylinder-by-guy-coulon-a-22000-rpm-race-engine-personal-project/