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YAMAHA R1 (2009-2011) Review | MCN - Motorcycle News UK | Home of Bike News, Sport, Reviews and Mor
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日期:2024-10-09
This is like no in-line-four cylinder sportsbike ever produced. It’s simply sensational. The Yamaha R1’s ultra-short-stroke engine has a cross-plane crankshaft, with its crank pins set at 90 and has irregular firing intervals, which is technology lifted d...看更多