How to adjust the motorcycle valve?

When adjusting the motorcycle valve, first loosen the fixing screw of the valve and turn the magneto of the crankshaft to make the camshaft rise against the exhaust valve. The specific operation steps are as follows:

1. First loosen the fixing screw of the regulating valve.

2. Turn the magneto of the crankshaft to make the camshaft rise against the exhaust valve.

3. Hold the valve screw and pull it up.

4. Pull up the valve screw and adjust the fixing screw by tightening it several times.

5. Tighten the screws with needle-nosed pliers.

6. Clamp the screw with needle-nosed pliers and tighten the adjusting screw with adjustable mouth wrench.