yamaha yz450f

Our goal was to crack 60 horses with no cam, valve, porting or pipe mods—just changes to the air filter and airbox
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It delivered smoother bottom-end power with a more hooked-up feel that made the bike easier to ride out of corners. The midrange is where the Pro Circuit system really shines.
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How to fix the 2020-2021 Yamaha YZ450F with a few common sense moves and crack 60 horsepower with something out-of-the-box
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Grant Langston’s 2007 Yamaha YZ450F was the easiest to ride AMA National bike we have ever tried
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One last chance to see what is sitting on the showroom now, while waiting for the 2021 models to arrive. You might get a good deal now!
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MXA loves ice, but are experience is limited to the kind that klinks inside a glass — now we know what real ice is like
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The solution to a 2018-2020 Yamaha YZ450F problem that improves both power and reliability
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The most comprehensive 2019 450 shootout — complete with all the stuff that no one else will ever tell you. This is the real deal shootout
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He's retired, but his job at Yamaha is to race YZ's whenever he can or wherever he wants
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Cal thought that the center of gravity was too high and that lowering it would make shorter riders happy and fix the poor handling characteristics
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After Washougal the Nationals take a one week break — so get your fill this Saturday because next week you'll be mowing the lawn
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Doug didn’t just test the YZ450Fs for Yamaha—he raced them, winning 22 of his World Vet Championships on them (the other four were on YZ250 two-strokes)
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With the AMA 450 National Motocross Championship only a few days away, it's time to look at Bam Bam's machine
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Remember those long shootouts that you scanned briefly before getting distracted by the dog? Well, here is the quick, easy and complete 2018 450 shootout in bite-size format
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A surprise from the MXA work shop that comes after we remove the works Kayaba forks
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We build a Dean Wilson Replica Yamaha YZ450F
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The fix the handling, not just the powerband
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A throwback to an earlier era
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His return is still unknown
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Playing with the numbers yields better power
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A bike tailor-made for Justin Barcia
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Real tests for real people
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Steahly's nine-ounce flywheel weight was designed to harness the power of current generation 2010-2013 YZ450Fs. Steahly cuts a nine-ounce ring of steel on a lathe. The ring is machined to close tolerances for an exact fit on the stock…
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WHAT IS IT? The Speed Armor skid plate is a low-cost, injection-molded, plastic skid plate for riders who want a simpler and cheaper skid plate. WHAT'S IT COST? $42.95 (skid plate), $12.95 (12 extra zip-ties). CONTACT? www.cycraracing.com…
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