I just purchased a 1981 yamaha 550 maxim with 25,000 miles. Any oil recomendations?
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I prefer the valvoline m/c oil 10W40. works great for wet clutches, and only around 3.25 a qt. adv auto or auto zone have it. I have switched from the 15w40 oils to this and it stopped clutch slippage in about 1/2 doz bikes. hondas as well as yamahas, Tim
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Where do you get this oil at? I might try it with a 20w-50 mix. I run my bike a little hard with a few redline shifts every day. I don't rag it out or anything, but I am a little hard on it. I just like to hear the sound