Valve clearance report

These bikes are amazing. I checked the valve clearance on my 426 when new, and I just checked it again after nine months of

riding MX once or twice a week. The clearances changed no more than .0005". This is my third YZF, and they all stayed within .001" over one year of riding. If I buy another one, I may not bother checking them at all. You high mileage off road guys may have a different experience.

Scott F

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