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One of my bikes has been sitting since December. Oil in it is Mobil 1 10-40 (bike oil), and it's only got about 1,500 miles on it. Should I dump it and replace, or is it okay to run? Also another question: if a bike has been sitting with used oil for a long time, would it be better not to run...

I got one of these but haven't gotten to use it yet: SFR Grease Thinking of using it for almost all purposes, including greasing the shaft drive/U-joints on my bike. Not sure about the hub and drive splines. It looks like SFR is a very serious company. I also got their oil fortifier (the...

There's been debate recently about how the new oils (the ones rated SH, SJ, or even SG, SH, SJ as opposed to just SG work with flat tappet cam engines. I read in an article that ACEA 3 regulations, while aiming to meet the new emissions legislation, are also more careful to provide for enough...

I keep seeing Rotella 5W-40 (and it's still CI, until CJ actually replaces it) mentioned as an option for motorcycles. I'm sure it's a good oil, but I'm wondering about this: Even Shell acknowledges that technically it's not suitable for motorcycles because its higher ash content. This is the...

Has anybody used this for their drive shaft U-joints? It's synthetic, lithium based and contains no moly (which fits at least part of the requirements for my bike's drive shaft). I pumped it to replace whatever was left from the factory grease. From the website it's supposed to be the thing...

Hello all, Great forum! As a newbie here I've already learned quite a bit about oils. I did my homework on grease too, but am still not sure what to pick for my new Guzzi (the grease is mainly for the shaft drive). Grease experts here could surely help with suggestions. So here's what they...

Hello again, I'm doing my first change of fluids (bike has about 700 miles) and was wondering if some of you have suggestions about an 80W90 gear oil. I almost picked the Wally's Supertech, but then I had second thoughts, which may be no more than superstition. On the Guzz, the 80W90 goes in...

Hello everybody, This seems to be the best real-life info on oils and lubricants. Glad to see motorcyclists are at it again, along with pilots--after all, our oils matter more, right? I've done a lot of research on oil and got some very good expert suggestions--but since we never know enough...