Motorcycle Repair: 75 sportster oil line routing, oil tank, oil lines

Question
need help routing oil lines, theres no oil cooler on this bike. confused on which 3 oil lines go to oil tank and where there connected on oil tank., and where does the fourth line go?

Answer
The oil line cannect to the back of the tank. The lowest port ont he tank is the feed to the oil pump. The highest one is the return from the oil pump and the other one is the vent from the motor. You should only have 3 hoses going to the oil tank
Good luck and happy riding
Mike