Yamaha, factory 4 cylinder, 125: http://www.youtube.com/watch?v=doR11C5QKRw This was recorded at Assen, Holland today. Don (Turn up the sound)
Hi Guys, A couple more on this link: http://2stroker.createforumhosting.com/assen-20-04-2013-rtm-350-4-cilinder-firing-up-t6694.html The RTM is a square 4, 350cc. This bike is one of 2 known and this was it's first start since recently being rebuilt. http://2stroker.createforumhosting.com/project-rtm-350-4-cyl-two-stroke-disc-valve-t5352.html Enjoy..... Don