feeler gauge

The feeler gauges i have are to wide to check all of the valves. Where can i get a thinner one? I am only able to check 3 of the 5 valves on my 450.

You can either get the individual units from Motion Pro or get a cheap set and cut them lengthwise(that's what I did).

I have no problem using the standard 4" feelers in my YZ450's, or any of the several 426's I've checked.

However, if yours are too wide, simply take a sharp pair of scissors not made in China and trim a little off each side of the few blades you need to do the check with. That's what we did for the 250F center intakes.

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