What will happen to my bike engine if I use 20W 40 engine oil instead of 20W 50 which is recommended? I drive 100km per day. What problem may I face in
What is the difference between 20w40 and 20w50 Engine Oil?
Why does every mechanic recommend the use of 20W-50 engine oil? - Quora
Specifications of 20W-50 engine oil | Download Scientific Diagram
What are the benefits of using 20w50 motor oil? - Quora
Oil (10W-40 vs 20w-50) | Ninja 400 Riders Forum
Castrol 06470 GTX 20W-50 High Mileage Motor Oil - 1 Quart, (Pack of 6) - Walmart.com