Model(s) covered: 2007 Honda CRF 450 R, 2007 Kawasaki KX 450 F, 2007 Suzuki RM-Z 450, 2007 Yamaha YZ 450 F
As we rolled out onto the track for the first time and waited for a clear spot to enter, the thunderous roar of 4-strokes pelted us harder than the flying roost. The number of those bikes that were 450cc machines was impossible to tally as the number of riders harnessing the ungodly power of these big-bores is mind-boggling - but for good reason. Whether you're one of the elite, a local pro or weekend-warrior schmuck there's almost no reason to not have a 450F.
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