Just installed a new raw pump on my 1991 yamaha 4.3 and I am not getting much water pumping through the exhaust I think I have a restriction somewhere whats the best way to test where the restriction is???? and I dont quite understand the cooling system on this boat does anyone know a link on the cooling system??? Any help would be much appreciated..... Thanks Scott
1991 yamaha 4.3 cooling schematic PLEASE
- Thread starter modifier
- Start date