Castrol Power 1 Racing 4T 10W-40 Engine Oil 4L (English, Italian and French labels) (Automotive)
Have this oil bought for my Suzuki Bandit GSF650 since I her because of the quite high speeds (throttled by most traveling between 7-12k RPM) did vouchsafe good oil. Comes in 4L containers. The price here at Amazon is just over 8 / liter incredibly c
