Changing the OEM front and rear sprockets and OEM CZ chain to new OEM front sprocket, PowerParts (SuperSprox stealth) rear sprockets and DID 520VX3 chain with 116 links on my KTM Duke 790 (890, 890R).
The OEM CZ chain has multiple elongated sections and noisy rollers.
The bike has almost 12 000 km (~7500 miles)
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OEM front sprocket 15T: 58033029115
PowerParts rear sprocket 41T (orange): 5841005104104
Chain: DID 520VX3 (116 links)
Chain cut and riveting tool: DID KM500R (or similar)
DID Chain Installation (English Subtitles): th-cam.com/video/EkY3Kd8Zgz0/w-d-xo.htmlsi=zoEJWvm17JE_ODiy
00:00 Intro
00:40 Chain and sprocket cover removal
02:10 Front sprocket locking washer and nut removal
04:25 Prep the chain pin for cut
06:35 Chain cutting with a tool
09:04 Tear sprocket fasteners loosening
09:30 Chain and front sprocket removal
10:36 Rear wheel removal
12:21 Rear sprocket removal
14:19 New rear sprocket installation
18:30 Rear wheel installation
19:20 Chain guide removal, cleaning, and installation
20:26 Front sprocket installation
21:18 Chain installation and riveting
28:54 Front sprocket tightening and securing
30:27 Chain and sprocket cover installation
31:45 Chain adjustment and rear wheel nut tightening
32:24 Outro
Camera: Insta360 One RS