earney
14.05.2021 14:24:22
Re: Gear oil change in 1975 Evinrude 2 hp? more
See full version: Gear oil change in 1975 Evinrude 2 hp
Re: Gear oil change in 1975 Evinrude 2 hp? more
It should be just below the ventilation plate. At least my 74 Johnny was.
To clear this up and hopefully put it back to bed, remove the single screw, dump the oil out, and position it hole-up and fill it with an ordinary oiler can. Use 80-90 weight outboard gear oil. It doesn't hold much. [links]
Re: Gear oil change in 1975 Evinrude 2 hp?
Of course, the seal kits and water pump impellers for these motors can be found here and here. [links]
I found myself in possession of a 1979 Evinrude 6 Hp outboard that needed its lower unit (some people call it the ‘foot’) rebuilt with a new seal kit. I created a couple of videos detailing the process and have included them below. Also below, is the process broken down into step-by-step instructions for the disassembly process as well as the reassembly process. If you have a 9.5 Hp johnson or Evinrude, well then you are in luck because this process is identical for you motor. [links]
I really hope this helped you out. If you have any questions head over to my contact page or leave a comment below.
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When removing the bolts, they were threaded in so tight I could not break them loose by hand. The tighten the bolts back up, the pipe wrench that had been used to take them loose was used once again. The bolts were tightened hand tight, the wrench put on the screw driver, and the bolts tightened around a 1/4 – 1/2 turn more. [links]
The motor was left alone for a little while so the oil level could stabilize. Then the bolt was threaded into the vent oil, the pump was removed from the lower unit, and the drain plug reinstalled. [links]
I was very happy there was no water in the old oil. That means the seals have not leaked. The o-rings around the vent and drain plugs looked good, they were not replaced. I asked the guy at the Evinrude dealership and replacing the drain and vent o-rings, and he said typically they do not need replacing.
The oil was left to drip for around an hour, or maybe more. To make sure as much oil as possible was drained out of the Evinrude lower unit, the motor was moved side-to-side and up and down several times. here
Debris was removed from around the vent hole, and the gaskets on the plugs were cleaned with a paper towel. [links]
Re: How often to change gear oil?
Well then call me odd, I also change the oil in my vehicles every 3 months or 3000 miles. I'll keep an eye out for your rebuild thread. more
check the gear lube by cracking the bottom drain plug. If its black change it, if its milky you have a leaking seal.