The screen is in the bottom of the oil tank. Remove the side plastic on the clutch side beside the oil tank and take out the two Allen head bolts that hold the pickup tube in place on the bottom of the tank. The screen is connected to the tube so be careful when you pull it out
There is one in the oil tank for the main oil pump and one in the cases for the return oil pump. The oil tank pump is straight forward to clean. The one in the cases is behind the clutch basket.Which has to be removed to clean.