KTM 450 SX-F 2020 rebuild - top end piston change

This motor is from a 2020 Husqvarna FC 450 which is same as on KTM/Husky 450 (2019-2022) and GasGas 450 (2021-2023).
chapters
00:00 Intro
00:10 Top dead center
01:05 Piston and cylinder
05:04 Valves
08:46 Rocker arms
10:51 Cylinder head
12:55 Camshaft
14:09 Chain tensioner

[@djantix1200]

Great video! Love the detail. Well done!

[@garyvosters8138]

what tool is that you used to install the piston retaining clip?

[@ssse3123]

It's 77729030200. It's not the correct one for this engine but works still ok.