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Ranger520vx

Fishinwrench a quick question

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We have the lower unit on my dad's 1996 40 hp force torn down and I was wondering what purpose does the big spring right above the pinion gear and bearing on the drive shaft serve. Only thing I can think of is to spin the oil back down to the bearing.

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Well I appreciate your response that was the only purpose I could see for it to be there.

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Ok I will post some pictures in the morning. I have to go out to the shop and take some.

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Had to run out to the shop so took a quick picture. Reverse gear needs to be replaced also but it just has a few  minor nicks.IMG_20171012_225107274.jpg

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I figured it was pretty low hours they bought it from a lady I know and she only had it a couple years and she bought it from an elderly gentleman that bought it new and  just used it to drift fish on Taneycomo. Will talk to my folks think they only have liability but not sure. It's on a pontoon they bought this summer. Parts are pretty pricey, boats.net has about the best prices I have found.

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Search for a set of "GLM" gears, they will be the least expensive and they are perfectly fine for 2-3 cylinder applications.   I believe that is just a standard 1:83-1 gear set.  

Do not reuse the old pinion nut, get a new one, clean the threads with alcohol, and apply red loc-tite.   I'm assuming that your using the pipe wrench technique. 😀

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I recently had a lower unit failure, Mercury 175hp. I found a brand new complete lower unit as cheap as I could buy parts. It came with a 3 year warranty. They sell parts also might try them. I have nothing bad to say so far. Super friendly and very helpful in making sure I got exactly the correct parts to get me up and running.

SEI Marine  813-925-7127

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