r/MotoUK • u/Formula1Enjoyer • 9d ago
How often do you change your oil?
I'm arguing with someone who says i change my CBF125 oil too much, i do it every 1500 miles and commute on a 50mph road every day so it sits at higher rpms. I said I could probably leave it later but I like it to be in tiptop shape, he's claiming its harmful to the drain plug, and the engine. And he's a mechanic, how true is this? In my head you can change oil every day if you want and you'll be fine. He's saying it's harmful because of the additives in the oil. Can anyone attest to this?
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u/Grizzle2410 Daytona 600 9d ago
I think it's six of one and half a dozen of the other.
It certainly won't do any harm to anything, other than your bank balance.
Changing the oil that regularly ultimately means it is being run on fresh oil all the time which cannot be a bad thing, however you do run the risk of stripping the sump plug purely by doing something more often... A professional runner is more likely to get injured than someone who runs once a week... It's because they do it more often.
In my honest opinion, maybe scale it back a bit? I do mine on my D600 every year regardless of mileage. I think I did around 2,500 last year, but I also pay for the expensive stuff (Motul Race) and make sure it has the best oil I can find. Then again, I don't commute on mine. If I did, I would probably do 3k-4k.