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VERTEX PISTONS

VIDEO: WHERE TO SPEND YOUR HOP-UP MONEY… PIPE? CAM? OR PISTON? WE DYNO EACH ONE

The big three of the hop-up world are pipes, cams and pistons?this trinity of parts compromises a major portion of every serious race program. The question is, what does does each piece of the hop-up puzzle bring to the overall picture? The motocross world is full of anecdotal stories of 65 horsepower CRF450s with nothing more done to them than one tooth skipped on the camshaft sprocket and a muffler modified with a butter knife. But, the ravings of backyard mechanics aside, the MXA wrecking crew wanted…