How to Check and Adjust Valve Clearances - Honda CG125

In this video I will show you the correct method for checking and adjusting the valve clearances on a 1990s Honda CG125. This procedure is similar for all OHV (Overhead Valve (Pushrod) Engines). I will also talk about the basic theory of a 4 stroke engine, how they work and why we need a valve clearance for optimum engine performance.

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Disclaimer: Please carry out this job at your own risk. I don't accept any responsibility for damage or injury caused by following this video. Always be sure to wear the appropriate PPE.