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RK CHAIN

WE RIDE YOSHIMURA’S FULL-RACE 2013 HONDA CRF450 TWIN-PIPER

Yoshimura’s 2013 Honda CRF450 bike test is significant for several reasons. Let us count the ways. (1) The 450 four-stroke with the most updates for 2013, the Honda CRF450 has received considerable attention from consumers and, in turn, aftermarket companies. A redesigned chassis, revised combustion chamber, Kayaba PSF air forks, six-spring clutch, twin mufflers and new bodywork have made ripples in the motocross industry. It’s no surprise that Yoshimura would focus on research and development for the 2…

WE TEST PRO CIRCUIT’S YAMAHA YZ450F MOTOCROSS BIKE:

You are forgiven if you are a Honda CRF450, Kawasaki KX450F or KTM 450SXF owner and you don?t give a twit about hopped-up Yamaha YZ450Fs. You may be thinking, ?Yamaha? I don?t own a Yamaha and don?t want to read about them.? But, you know deep down inside your insecure heart that you do want to know everything there is to know about the 2010 Yamaha YZ450F. Why? Because that is your competition. The YZ450F was all-new in 2010, and every racer, on every brand, has to wonder if the YZ450F’s backwards cylin…