Originally Posted by rader creek
Now that we know the correct quantity of 180ml for a refill, what is the BMW recommended gear oil weight for a 2007 generation R1200Gs. I have seen both 75-140w & 75-90W mentioned in Adv Rider threads, but what does the factory spec. out? I'm not concerned with what brand of oil inmates are using & have no intention of starting an "oil thread" just info on factory specs.
The factory spec is 75W90.