Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...
Synthetic oil is worth the extra cost for most drivers. It lasts 7,500 to 15,000 miles between changes compared to 3,000 ...
BHPian Adv_on_411 recently shared this with other enthusiasts:I have a 2021 Royal Enfield Himalayan 411 BS6.This post of mine will include all the valuable knowledge I got from Team-BHP and will also ...