Greetings fellow SV owners. I've seen alot of debate on what oil you should use on the SV650S. I went to Walmart today to get some oil and the book specifically says SF 0r SG, although last year I used Castrol GTX 10W-40 in the bike and it ran fine. This year I went to get more and was wondering if anyone has used it. It's API service SM, SL, SJ, SH The one that says "Unique Anti-Sludge Formula" on it. I know the manual states It can be SJ or SH if it's MA in JASO. Any guidance would be appreciated, feel free to email me - again, I used this oil last year and the clutch didn't slip, bike ran fine. I don't race it and change the oil often. Thanks!
Suzuki recommends the use of SUZUKI PERFORMANCE 4 MOTOR OIL or an oil which is rated SF or SG under the API (American Petroleum Institute) classification system. The viscosity rating should be SAE 10W-40. If an SAE 10W-40 oil is not available, select an alternative according to the information below: -4°F - 86°F: 10W-30 -4°F - 104°F+: 10W-40, 10W-50 6°F - 104°F+: 15W-40, 15W-50 14°F - 104°F+: 20W-50 Engine life depends on oil amount and quality. Daily oil level checks and periodic changes are two of the most important maintenance itmes to be performed.
In short, any 10W-40 oil will do just fine.
Longer, there are no "energy conserving" 10W-40 oils, so no worry about clutch slipping. All other parameters such as manufacturer, mineral or synthetic, cheap or expensive, etc. are a matter of personal preference and open for debate.
You can also use any grades recommended in your manual and/or mix them in any way you want (like half 10W-40, half 20W-50). You can even buy "motorcycle specific" motor oil if you feel like paying more for the same thing.
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