10W30 vs 10W40 The Ultimate Engine Oil Showdown - Which One Wins?

5738 Likes, TikTok video from DeXJs_ (@dexjs_): “Difference between 10W40 and 10W30!! HUGE!! #oilchange #mechanic #automotive #engine”. Yes, you can use 10W40 instead of 10W30 in your motorcycle, but it's essential to check the manufacturer's recommendation. Keep using what you've been using, it's a great oil, the 10w-40 is perfect for your temperature range and IMO better suited for the transmission ... +1 for 10W40, or even 5W40 if you live in Texas. Here in AZ where we see winter temps at 6am of about 25F, and summer temps at 3pm of 120F, it's worth it. The main difference is that 10W40 oil is thicker than 10W30 oil at higher temperatures. Both have almost the same characteristics – the only difference is the ... I run 10w30 VR1 in my 200, it sits at 25+ psi at a hot idle in 90-degree Tennessee heat. If your crank bearings are in spec, 10w30 is perfectly fine. I picked up the wrong Honda oil for my 1000-5. I got 10w40 and should have 10w30 by mistake. Dealer is 45 mins away and only source of oil ... 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 ... 10W30 and 10W40 are made from the same base (assuming we are comparing oils from one manufacturer) with different amounts or types of polymers ( ... In the 10W-40 engine oil, the 10W (W = winter) simply mean the oil must have certain viscosity or "thickness" flowing at low temperature. The lower the "W" ...