Gypsy over heating soln
1.Check cooling water fan for more slipping ie it not on desire RPM
2.If pin hole leakage on radiator or drop wise leakage in hose drop coolant level low.
3.Cooling water circulation pump jam or wear out
4.Scale formation in engine jacket need to chemical cleaning
5.Rediator tube chock need to flushing
6.Engine oil level low
7.Engine RPM above 800