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For the YZF-R6, the manual usually says to change the oil every 6000 km or once a year, whichever comes first - that's the standard for Yamaha sportbikes. People who recommend 1000 km are usually talking about oils for dirt bikes or extreme conditions; 3000 km is more of a conservative option for those who park in the sun and don't take it easy on the engine. Really though, it all depends on the oil quality (synthetic lasts longer), riding style (aggressive riding requires more frequent changes), and operating conditions (dust, heat, and speed up wear). If you ride carefully on good synthetic oil, stick with 6000 km; if you like to rev hard or your bike sits in the heat, cut it down to 4000.

Your bike's manual will tell you better than anyone, but usually for sport bikes it's 6000 km or a year, whichever comes first. The main thing is don't forget to check the level between oil changes, especially if you ride aggressively or spend a lot of time at high RPMs, because the oil can burn off more noticeably than you'd expect, and riding with a low level is riskier than changing it a bit early.

Have you actually looked at the service book that comes with your motorcycle? The previous answers correctly point to 6000 km, but there's a nuance here - that's the interval for normal riding. If you ride aggressively, at high revs, or frequently push it to the max on the highway, then it makes sense to shorten it to 4000-5000 km, because oil in a sportbike wears out faster. But 1000 km - that's really overkill for a modern engine, unless you're prepping for breaking in a new engine.

Рыбак asker I checked at the service center, and they said 6000 km. I ride pretty calmly, mostly in the city, so I stick to that interval.

I'm backing up what the previous answer said about 6000 km, but I'll add something they didn't mention. That interval is for normal riding, but if you're riding in sport mode, often at full throttle or on the track, it makes sense to shorten it to 4000-5000 km. The thing is, under extreme loads oil degrades faster, oxidizes, and loses its properties. I know guys who ride sportbikes hard and honestly they just change it more often to be safe.

Another thing - there's a difference between synthetic and mineral oil. If you've got synthetic, then 6000 km is the norm, but if it's mineral, you're better off sticking to 4000-5000 km. The R6 usually comes with synthetic, but check your service book anyway. And most importantly, check the level every two weeks or before long rides - sometimes oil can burn off faster, especially if the bike isn't new.

So here's what you need to do: grab your manual, check what oil is recommended and the interval for your specific model year (they vary), and then decide - if you ride calmly, 6000 km is enough, but if you're aggressive, cut it down to 4-5 thousand.

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