HOW FAST ARE THEY? MR. KNOW-IT-ALL

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Ron Lawson

by: Ron Lawson

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Dear Mr. Know-It-All, What is the actual top speed of a modern 450 motocross bike? I’ve read on websites and YouTube comments claiming a KTM 450SXF is capable of 123 mph in stock form. I can’t see that being possible, as these bikes are geared to race on an MX or SX track, not drag raced. Could you please clarify? Ken via [email protected] Well, Ken, while I don’t have the exact numbers, around the 120-mph mark is in the hunt for a top-speed run on a properly geared 450. The real issue comes with the gearing, setup and traction. About 10 years ago we were out with Robby Bell, wh ...

... continues at Dirt Bike Magazine

 

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