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For a carbureted engine, it is located on the bottom right hand side (passenger side) of the engine block. Disconnect the one or two rubber lines attached to the pump. Carefully unscrew and remove the metal line connected to the pump. Set the lines aside. Carefully remove the two bolts attaching the pump to the block. Slowly remove pump and set aside. Remove the spacer plate(a thin plate that's in between the fuel pump and spacer) from the engine block by removing the two bolts that attach it from the block and set aside. Pull out the metal rod that goes into engine block, check it for wear, apply heavy mechanical grease on it and slide it back into the engine block, making sure it doesn't slide back out. Re- attach the spacer plate onto the engine block, and finally carefully insert the fuel pump back into the engine block, slowly bolting both bolts together in sequence until you see the pump evenly sitting on the engine block. Reattach the rubber and metal lines and start the engine, checking for leaks.
For a fuel injected motor, you must drop the gas tank and remove the sending unit assembly to change the fuel pump.
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