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2004 Mercury Mariner Questions & Answers
Mariner 4hp outboard can't get engine off casing
the drive shaft goes down through the water pump impeller and I suspect that the problem will be in the pump
the impeller is rubber and if run dry will melt the rubber into the housing and bind up the shaft
Brute force is a last resort so get all the information you can from a service dealer mechanic
Gear shifter for 40 h. p. mariner outboard
With your lower unit off have someone shift the engine into forward while watching the gear shift select shaft's rotation,let gearshift remain in forward,now place your lower unit in forward and reinstall. In the future just put engine in forward when installing a water pump as there won't be a need to move gearshift
Having trouble with my 1974-78 outboard marine engine
Just an idea but your water pump is only rubber and setting for the winter it didnt stick to the sides of where it pumps did it.. sometimes these pumps are tempermental.. you might check your water pump again making sure its pumping right.. is it peeing out the sides good like it is suppose to ? also if its getting hot on top it makes me think the pump is not doing its job right maybe just pumping some.. not enough? just a thought .. thanks Jerry
I have a Mariner outboard
In order to disconnect the gearshift linkage from the gearshift operating handle, a safety clip was rotated about 90 degrees clockwise. Once in this position, if you pull the safety clip towards you, it comes completely out, which then permits the gearshift rod to seperate from the operating lever.
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