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Posted on Jan 02, 2017
Ok by fluid I assume it is gear oil leaking yes?
There is every chance there is the smallest seal leak there that may only be present once the gear case gets a little pressure in it, either through use, or through expansion as the leg heats sitting in the sun even. Have you got a new washer installed under this screw to properly seal it? Usually a nylon type washer is best.
Also, how do you know the lower unit is not leaking or have water intrusion? Have you drained the gearbox oil recently? If so what color was the oil, milky looking at oil or good semi-transparent oil color?
Posted on Mar 16, 2009
SOURCE: suzuki 4hp two stroke impellar
Dropp the lower unit, should be only 4 bolts holding it on. Impellar housing should be located right on top of the lower unit. four screws it the housing slides off the shaft, insall in reverse order with ne gaskets, make sure you re- align the waterhose/pipe from the lower unit back to the head
Posted on May 01, 2009
Not familiar with that specific motor but had similar vintage smaller HP Johnsons. From my experience it sounds like it could be that the high speed carb adjustment is too lean. What I would try is running the backing off the high speed screw 1/4 turn to 3/4 turn, then test. If works better, screw back in in 1/8 turn increments until the problem recurs, then back out 1/4 turn and leave it there.
Posted on Jun 30, 2009
without seeing it in front of me its difficult to advise,i had a mercury but it wasnt oil injection so i iam not sure exactly how this injection system works but i should imagine its nothing more than a O ring thats perished or a copper washer needs cleaning with some wet and dry.I bought a new 4stroke mercury in the end because i got fed up with fuel consumption from the 80hp two stroke ,this four stroke 50hp will do about 12 14 nautical miles to roughly 6/7 litres of petrol at about 1200 rpm because iam only a sunday driver and the bumping on the waves makes my back ache unbearable,Well this is the land of fiesta /siesta /manaña --spain .Have a closer look and see where its leaking its only a mechanical pump running off the engine ,so it will have a push rod with some sort of diaphragm that pumps a tinysquirt of oil into the crankcase so it can mix with the incoming fuel ,nothing complicated
Posted on Sep 17, 2009
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