NATHANMONK
trumpetman
I am tired of paying outrageous $ for oil. I know to use BMW specs for my bike. I was hoping someone could just give me a quick suggestion for Castrol full synthetic numbers.
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I am tired of paying outrageous $ for oil. I know to use BMW specs for my bike. I was hoping someone could just give me a quick suggestion for Castrol full synthetic numbers.
In my 2014 R1200RT DOHC motor I use full synthetic 20W50 in the hot half and 10W40 in the cold half of the year. Located in the northern tip of Virginia. Starts down in the low 20's F with just a few extra revolutions of the starter motor. 56,000 miles now and all seems good.
His brother here. Looking at the oil specs in the owners manual in the new to me 2011 R1200RT, there is a wide range of weights. Down here in the deep south, the 15w40 looks like a good oil, but only place I see that weight is in a diesel oil, which according to the extensive report from a year or so ago, was tested and has sufficient zinc/phosphorus quantities. I think a 10 weight oil is a little too light for our area. Even a 10w50 oil may not really be a great idea since the viscosity modifiers have a penchant for shearing after a while, then you are running a very light motor oil. 15w50 might be the better option. My drowned GS loved that stuff.