Customer approved the recommended Honda Valve Clearance Adjustment Procedure to take care of the rough running at idle setting the P0300 code.

Place your bets now: what will we find under the valve covers?
Can I repair this Honda NO PARTS REQUIRED?

CRAFTSMAN CMMT14105 32-Blade Feeler Gauge :
https://www.amazon.com/dp/B09NPDWP74?...

2023 Upgrade LAUNCH X431 PRO3S+:
https://www.amazon.com/dp/B092894STV?...

Enjoy!
Ivan