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I'm doing the first oil change myself. I've read up on that 40 rating sticks to the parts better than the 30 at high temp. It's pretty hot where I live especially in the summer. So I used 10w 40 instead of 10w30. There's no harm to the engine right?

I have a 2016 cbr500r
 

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It's fine. I use Rotella T6. A lot of people do.

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Yep, it’s fine. Many or most dealers seem to just use 10w40, actually.
+1 for Rotella
 

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A suggestion. For future oil changes do it more often than the manual recommends. I do oil & filter every 4000mi.
 

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A suggestion. For future oil changes do it more often than the manual recommends. I do oil & filter every 4000mi.
Agree. I do oil every 2000-2500 miles. Filter every other oil change. I ride hard. Oil gets frothy after 2500 miles with my riding style, especially during summer months.

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Hi, I can confirm my first service by the dealer, for my 2018 CBR500R, they used 4T(semi-Synthectic) 10W-40 oil.
Its
always best to keep the same brand and type available for small top ups between oil changes.

In heavy industry, the quickest way to increase wear in parts is to not have clean area / clean oil/ clean equipment. Important to make sure if you keep a bulk (4-5 litre oil container) that it and any funnel you use are spotlessly clean when you are doing to ups. Contaminants introduced during top ups and oil changes are always a risk one needs to take precautions against.
 

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Many places in Au use 10W40 claiming bcs it is hot here. I use Honda 10W30 bcs that’s what Honda recommend.

I had one service report say they used 10W50. They claimed it was a typo. I dumped that out and now do all my oil changes myself.


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Marxious - congrats on the bike, and welcome to the forum, and congrats on your CBR. They're great bike. A lot of us are on the fence about "upgrading". (going to a bigger bike) I've been there and I may go there again before I get too old, but for now, it's hard to justify and would cost me dearly in fuel consumption.

One thing that's pretty regular in internet motorcycle or automotive fora is "oil threads". But we just can't resist chiming in every time.

Here are my thoughts:

Use 10W-30 synthetic. Being only 30 weight when hot, it makes for less internal friction and better fuel economy. Temperature is not a concern, since it is synthetic, it is much more resistant to thermal breakdown than conventional oil, and I will go the full 8,000 miles without any worry or extra work.

It's not as common as 10W-30 without friction modifiers, but it's still easily found online.

It would be all too easy for Honda engineers to recommend more frequent oil changes and thus sell more oil and filters and service.
 

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My dealer only use 10-40.

Same here. Even though Honda recommends 10W30. I asked them about it but was told I would have to talk to a mechanic out back as they order the oil and keep up the floor display for all of the products oil related. Of course I know why they do it... economy of scale and all that. Common denominator for the most bikes... I purchased my oil elsewhere. Not going to be railroaded.
 

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I bought my bike slightly used, it only had 800 miles on it. It looked like the original oil filter, so when I got it home, I changed the oil. I bought synthetic 10-30 from Oreillys.

One thing I noticed about this bike, when downshifting, my gears would often get lost. What I mean is, there would be no response from the shifter and I would have to let the clutch out and then try again to find my gears. It was an odd situation. I just shrugged it off as being a picky Honda.

When I did my first oil change on my sons r3 yesterday, I mentioned to the parts guy at Yamaha that I did my oil change on my Honda and when I told him the oil I used, he told me if I didn’t want to be putting a clutch in it, drain it out and buy the oil that’s supposed to be for bikes. He showed me the M on the back of the bottle.

Out of skepticism but slight fear, I bought 3 quarts of yamalube from him rated for my bike and replaced it just to be on the safe side. Yes I know I own a Honda I just happened to be at Yamaha to get my boys oil filter

One thing I noticed immediately, my shifting problem vanished right away. No more lost gears, and it shifts smooth as butter.

I’m not posting this out of sarcasm, or to add or take away from any contributors of this thread, or to recommend a certain oil brand over the other, nor to sound like a know it all. but just posting my experience so that in case anyone in the future stumbles across this thread that has the same issue, it was explained to me that these bikes have a wet clutch, and the oil will make or break the bike, literally.


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I bought my bike slightly used, it only had 800 miles on it. It looked like the original oil filter, so when I got it home, I changed the oil. I bought synthetic 10-30 from Oreillys.

One thing I noticed about this bike, when downshifting, my gears would often get lost. What I mean is, there would be no response from the shifter and I would have to let the clutch out and then try again to find my gears. It was an odd situation. I just shrugged it off as being a picky Honda.

When I did my first oil change on my sons r3 yesterday, I mentioned to the parts guy at Yamaha that I did my oil change on my Honda and when I told him the oil I used, he told me if I didn’t want to be putting a clutch in it, drain it out and buy the oil that’s supposed to be for bikes. He showed me the M on the back of the bottle.

Out of skepticism but slight fear, I bought 3 quarts of yamalube from him rated for my bike and replaced it just to be on the safe side. Yes I know I own a Honda I just happened to be at Yamaha to get my boys oil filter

One thing I noticed immediately, my shifting problem vanished right away. No more lost gears, and it shifts smooth as butter.

I’m not posting this out of sarcasm, or to add or take away from any contributors of this thread, or to recommend a certain oil brand over the other, nor to sound like a know it all. but just posting my experience so that in case anyone in the future stumbles across this thread that has the same issue, it was explained to me that these bikes have a wet clutch, and the oil will make or break the bike, literally.


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This is a good reminder right here. Sometimes we overlook the simplest things.

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The big difference is that car do not use engine oil to lubricate the clutch or transmission system (as motorcycles do) so often car engine oils will have friction modifiers and other products that help extend the engine life, but will/can damage a motorcycle clutch/transmission, this is why it is important to only use an engine oil designated for motorcycle use, some car engine oils will work, but why take the risk. Always use motorcycle engine oil in a motorcycle engine!!



Gary
 

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This is exactly what happened to me and I did not know. Back in the day oil was oil, but much has changed. Still using 10-30


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Don't use any oil with an energy conserving label on the back. Honda went with the 10/30 thing to get the fuel mileage. They changed the oil recommendation from 10/40 to 10/30 in their manuals on a lot of bikes that had the same motor they recommended 10/40 for. They are a very green company which is good. Don't sweat the 10/40. That's all I use.
 
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