November 11, 20169 yr Note at 3:23 that the exhaust exits at the rear of the cylinder head, goes up and forward, and makes a big loop to the rear. The bike has fuel injection.
November 11, 20169 yr It's because it's a YZF motor used in a trials bike, not a trials specific engine.
November 11, 20169 yr We also can't buy one, which makes it largely meaningless to anyone other than Yamaha. It's also ugly as sin...
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