Oil will always feel patla when checked in a hot engine and vice versa.Break in period main bike normal say ziada garam hoti hai.Due to increased friction b/w metal surfaces,break in oil to drain kartay waqt observe karain to chotay metal particles nazar ain ***..After break in Oils will do their job as claimed..Manufacturer recommends draining oil withing 500kms during break in for a reason
Zic 20w40 ki bhut tareef sunney ko ai hai for GS.
LM apni viscosity 2000km kar retain rakhta hai..Main nay apna bike 14000km LM pay chalaya hai aur waqt say pehlay drain kia hai.Mineral oils main is say acha abhi tak mujhay koi oil nai mila.GS k liae 10w40 oil recommended hai can be swapped for a 20w40 aswell.
A pw friend gave visible proof of no viscosity shear-down even at 2k kms on the oils thread