10w30 vs. 10w40 Choosing the Right Oil for Your Driving Conditions

Yes, you can use 10W40 instead of 10W30 in your motorcycle, but it's essential to check the manufacturer's recommendation. The difference between 10w30 and 10w40 is the thickness of the oil at operating/high temperatures, at which 10w40 is thicker than 10w30. A 10W-40 oil is thicker than a 10W-30 oil. Thick oil is suitable for older machines and will limit the risk of leaks. Comments64 · Will Thinner Oils Damage Your Engine? · Mineral oil 15W40 vs. · Flow test 0W20, 0W30, 0W40, 5W30, 5W40, 5W50, 10W40 temps +20°C and - ... Hello. I have a mildly built 350 in a 76 Monte Carlo. I put 10w30 in instead of 10w40. Will this hurt my engine? https://amzn.to/43N4WNr - All-in-One OBDII Scanner The main distinctions between 10W-30 and 10W-40 motor oil will be elucidated in this ... The higher the number after the w, the thicker the oil at high temperatures. It can be appropriate to change to 10w-40 if you are in a hotter ... 10w30 is thinner than 15w40, meaning it flows through the engine more easily but doesn't have as high of a film strength as 15w40. First service on mine 8 yrs ago, I went to a Honda dealer in OH and told them what I had and needed the stuff for an oil change. They gave me a ... Researching which oil I'm going to use on my '12 1KRR, and page 138 of the manual says 10W-30 JASO MA, but goes on to list Honda GN4.. Well, which is it? GN4 is