moto guzzi v7 iii oil change - XoilacTV

The manual does not call for the final drive oil (170 mL) to be changed on the first service. I did it anyhow, independent of the dealer. I want to change it anyway since it does not use much fluid and probably take up another 15 mins of shop time.

AF1 Racing Castrol Oil Change Kit For Moto Guzzi V7 III Rough, V7 III Milano, V7 III Carbon Dark, V7 III Carbon Shine, V7 III Stone, V7 III Racer, V7 III Special, V7 III Anniversario. Availability: Special Order -- Usually Ships in About 5-7 Business Days. SKU: AF1-GU-V7III-Oil-Kit-Castrol. Grouped Items * 2A000633 [+$16.72] GU12154200 [+$4.04]

All fluids change kit for Guzzi V7 III, V9 2017-2020 Part number: OILCHANGE12 Full fluid change kit to service the engine, transmission and final drive for the V7 III and V9 model series from 2017 to 2020.

Could someone kindly post how to check and change the gearbox oil? Or is it the cold messing up the clutch? The clutch lever has about 1-2mm of free play at the lever and I can easily find N once its warmed up, however I have changed the stock lever for an adjustable lever.