How to adjust the valve clearance of Saichi 1 10?

Saichi 1 10 valve clearance adjustment is carried out in the upper and lower round covers of the lever head at the front of the engine, and the valve clearance is 0.05mm with No.9 wrench. The specific operation steps are as follows:

1. Remove the cylinder head intake valve cover.

2. Remove the circular cover of exhaust valve.

3. Press down the starting lever to keep the engine at the top dead center.

4. Loosen the lock nut with a ring wrench to adjust the valve clearance.

5. After adjusting the clearance, screw on the valve cover.