1991+ Kawasaki 650 SC Factory Service Manual, Page 48Get this manual
3-4 ENGINE LUBRI,CATION SYSTEM
Oil Pump
Oil Pump Bleeding
.Make sure that there is plenty of engine oil in the oil tank and that oil flow is no restricted Loosen the ,air bleeder screw [A] on the oil pump couple of turns wait until oil flows out, and then tighten the bleeder screw securely
CAI.I11ON
Use a.50mixture of gasoline to oi,l In the fuel tank ,in pl,8Ce of the gasoline normally usedDo nol tum on Itte water until the ,engine is runniing and tum it off the immediate,ly when the ,engine stops
Supply the cooling system with water (see Auxiliary Cooling in the General Iinformation chapter) Start the engine, keep it at idling speed and check the oill flow through the transparent outl"et hose 'Keep the engine running until' the air bubble in the out),et hose disappear
Oil Pump Performance Test