If it had gas left in it for a long time it may not work any longer. If it's working it should be OK but I would change it to be on the safe side. If the diaphragm is weak you could end up walking. I believe 37 through 51 all used the same pump configuration as for how it mounts to the engine and the pump lever shape.


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Name your dog Naked so you can walk Naked in the park.