How to fix hanging sticking keys: Yamaha e piano: clavinova, p series, stage piano and others

If this video helps you, please subscribe to my channel. Youtube gets money from advertisments on my content. If more than 1000 people subscribe, I might get a few pennies. Thanks. There are many other videos on youtube which explain incorrectly why these keys are sticking. The following Yamaha piano models use (GH/GHE) Graded hammer effect keys: CLP-110 CLP-115 CLP-120 CLP-130 CLP-150 CLP-170 CLP-230 CLP-240 CLP-270 CLP-810 CLP-811 CLP-820 CLP-840 CLP-860 CLP-880 CLP-911 CLP-920 CLP-930 CLP-950 CLP-970 CP-33 CP-300 CVP-92 CVP-94 CVP-96 CVP-98 CVP-103 CVP-105 CVP-107 CVP-109 CVP-201 CVP-202 CVP-203 CVP-204 CVP-205 CVP-207 CVP-208 CVP-209 CVP-210 CVP-307 CVP-405 CVP-700 MO8 Montage 8 Motif 8 Motif ES8 Motif XF8 Motif XS8 P60 P80 P90 P120 P120S P140 P155 P200 P250 PF-500 PF-1000 S08 S70XS S90 S90ES S90XS YDP-113 YDP-121 YDP-181 YDP-223 YPT-121 Korg C6500 Korg Ci9600