Senin, 23 Mei 2011

Amazing Yamaha R1


The main key performance Yamaha R1 is in the transmission. R1 delivers more power than 132-hp. This vehicle only requires less than three seconds to accelerate from 0 to 60 mph. While the maximum speed reached 165 mph. Extraordinary!
The original engine design was the five-valves-per-cylinder engine format, but the 2007 model did away with that technology, replacing it with the more standard four-valves-per-cylinder layout. In 2009, borrowing from Yamaha’s MotoGP effort and the highly successful M1 prototype, the new R1 featured an engine with a cross-plane crankshaft, creating an uneven firing interval for an alleged increase in a rider’s feeling of rear-tire grip. Also introduced in 2009 is the D-Mode, Throttle Control Valve Mapping which allows the rider to select differing power delivery depending on road or track conditions.

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