Ducati Scrambler 800 Desert Sled 2019 Owner's Manual page 193

After lubrication, wait 10-15 minutes to allow the
lubricant to act on the internal and external surfaces
of the chain and then remove the excess lubricant
with a clean cloth.
Important
Do not use the motorcycle immediately after
lubricating the chain as the lubricant, still fluid,
would be centrifuged outwards causing possible
soiling of the rear tyre or the rider's footpeg.
Important
Check the chain often, taking care to lubricate
it, as also indicated in the table below: at least every
1000 km (621 mi) or more frequently (about every
400 km (248 mi)) when using the bike with high
outside temperatures (40°C) or after long travels on
the highway at high speed.
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Fig 201