Thanks.
Do you know what the difference between the 438557 and 438559 pumps might be ?
I just looked up what the 70hp # was before VRO (83') and that # popped up. The 438559 is considerably less expensive is why I ask.
Also do you think the contributing factor to the diaphragm failing so soon...
Motor was rebuilt and VRO deleted before I purchased motor.
I was going to rebuild the fuel pump due to diaphragm leaking but while looking for the rebuild kit I found out the part #398867 on the pump goes to a 15hp.
Seems like it should have a pump linked to a higher HP?
Before I go ahead...
Hi, I'm in the process of trying to troubleshoot my motor's random issue of dropping #3 cylinder. The motor sometimes will only throttle to 3-3500rpms or you can be humming along at 4-5k rpms and suddenly lose rpms down to around the same rpms. After a while you try the throttle and sometimes it...