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Showing results for tags '15w50'.
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Lots of pros and cons to be read on this site about using 15W50 synth oil in the RSV, but it's hard to turn down a 5 quart container of Mobile 1 for $23 at Wal-Mart. Been using M1 20W50 for about 2 years now, and the 15W50 does seem to be quite a bit thicker, but for older engines with higher mileage and higher rev limits, it makes sense to give it a try, especially at that price. Only concern may be clutch slippage, but we'll see how it performs.
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On my second oil change away from MC oil and on the new silver cap Mobil 1 15W50 without the energy saving. Bike is still running better than before. My transmission shifts better than when I used the Yamalube. If anyone is wondering if it's safe, go for it. No clutch problems, and honestly the transmission runs far better than it ever had. less noise, easier shifting. This is on a clutch with 40,000 miles on it.