10w30 vs. 10w40 The Ultimate Guide for Car Enthusiasts

10W30 is a thinner oil and flows more easily at lower temperatures than 10W40. This makes it a better choice for colder climates. 10w40 is what Honda recommends for the most part though 10w30 is used in cooler climates as per Honda recommendation. 20w50 can be used while ... The 40 weight will protect you year round for what you do;-it only has certain factors to the heat build up;-ambient temp and other component ... MOTUL 3000 10W-30 4T. Street & road bikes, trails, off-road... MOTUL 3000 10W-40 4T. MOTUL 3000 is a mineral 4T motorcycle motor oil... MOTUL 300V FACTORY ... 10W30 and 10w40 are very similar oils. Both oils are flexible, multigrade oils that perform well in different temperature ranges. 40 refers to it's viscosity. 10w40 would be thicker than 10w30. 40 viscosity will work just fine in the bike. It is the more popular than the 30 ... 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. The only time you have to even consider going to thinner oil when it gets cold is if the starter can't turn over the motor fast enough to start the motor. For my Tohatsu 30 HP 4 stroke is 10w-40 or lighter 10w-30 preferred for winter operations in my 18' aluminum boat. In this matchup, 10W40 oil is slightly thicker than the 10W30 variant. The high-temperature viscosity plays a crucial role; remember, the higher the number ...