well known truth, Joe. i typically use 80W90 gearlube as the engine lubricant of choice in all my Buells and XR1200's. they consume less oil and when you combine that improvement, along with the shorter dip-tube, over the life-span of the engine the tidy savings can be quite substantial. additionally, i also save fuel money by quickly bringing my motor up to proper operating oil temp before "leaning into it". my Pakistani XL1200 owners manual recommends the following procedure: