# How to calculate the valve shim clearance size?

## How to calculate the valve shim clearance size?

1 Keep the engine turned off. You will want it to be cold before you begin the adjustment process. 2 Remove the valve shim. You can do this by first repositioning the cam-lobe so that it is pointing upward. The… 3 Calculate the replacement valve shim adjustment size. Measure the shim’s thickness with a micrometer. Calculate the… More …

## What’s the recommended Shim thickness for an ATV?

Recommended Valve Clearance (inches) Measured Valve Clearance (inches) Old Shim Thickness (metric) New Shim Thickness (metric) Copyright © 2006 Maul Tech ATV™ (inches)

## What should the right intake valve clearance be?

Right Intake Valve Recommended Valve Clearance (inches) Measured Valve Clearance (inches) Old Shim Thickness (metric) New Shim Thickness (metric)

## How to calculate the thickness of an intake Shim?

(Thickness of New Shim) = (Thickness of Removed Shim) + (valve clearance measurement – 0.0146 inches) The same formula can be used to calculate the thickness of both the intake shim and exhaust shim. If you go to a professional mechanic to get a valve shim clearance job done, it will cost you anywhere from \$250 to \$340.

## What’s the best Shim thickness for a valve?

When calculating what new shim thicknesses are required, it is best to target the specified clearance on the upper end of the prescribed clearance range, because valve clearances usually diminish over time. Valve shims are available in 0.025mm increments, so the shims that can be utilized will also influence the new clearances that can be achieved.

## How big should a peazy valve shim be?

= Ideal new shim size 2.63 mm Your choice may be 2.60 rendering .21 mm (slightly over the loose end of specs) I think slightly loose might be better.

Recommended Valve Clearance (inches) Measured Valve Clearance (inches) Old Shim Thickness (metric) New Shim Thickness (metric) Copyright © 2006 Maul Tech ATV™ (inches)

Right Intake Valve Recommended Valve Clearance (inches) Measured Valve Clearance (inches) Old Shim Thickness (metric) New Shim Thickness (metric)