lower unit ???

[powerstroker]

how much oil does my lower unit hold? my engine is a 1971 100 hp evinrude with the electric shift. also is there any type of oil at napa i can use in my lower unit? it seems i either gotta buy it on ebay or on here. Thanks ahead of time.

 

[powerstroker]

Re: lower unit ???

help plz

 

[TruckDrivingFool]

Re: lower unit ???

Not quite a quart and half. Make sure you use the type c lube, you can try NAPA for it but the only place I've found it by the quart is here at iboats and do yourself a favor and get one of these from where ever it makes life much more pleasant.

 

[Daviet]

Re: lower unit ???

It should hold about 27oz.
Make sure you get the oil for ELECTRIC shift lower units. Around here, NAPA carries aftermarket parts by the SIERRA brand, they can get the proper oil for you.

 

[nwcove]

Re: lower unit ???

get 80w90 marine gear oil at wal-mart, or where ever, pick up the tool to fill your lu while you are there ( its not expensive), fill from the bottom plug, until it comes out the top plug. ....get new nylon washers/orings for the plugs. when it comes out the top hole, replace that plug first, then be as quick as you can to put the bottom plug back in. ( it will be a bit messy)

 

[TruckDrivingFool]

Re: lower unit ???

It should hold about 27oz.
Make sure you get the oil for ELECTRIC shift lower units. Around here, NAPA carries aftermarket parts by the SIERRA brand, they can get the proper oil for you.

I thought the 85/100/115/125 all used the same LU but I could be wrong. So I'll tell you that I know my 50 has a smaller LU and takes right at a quart, my 115 takes just under 1 1/2.

Don't use 80/90 like a regular LU it's too thick and won't shift right.

 

[Daviet]

Re: lower unit ???

This is the chart I use.
http://www.maxrules.com/OMC_gearcap.html

 

[TruckDrivingFool]

Re: lower unit ???

Buy two quarts either way you'll end up with enough, plus have enough for topping off if you need it or enough to change it out when you winterize in the fall.

 

[powerstroker]

Re: lower unit ???

thanks guys after calling napa and having them say they dont make such oil that all lower unit oil is the same. i called the parts house i tried to find it at yesterday and they said yesterday they could not get it. i gave them the sierra part # 18-9600-2 they called their supplier and guess what they do make such oil lol. they order me 2 quarts and they also informed me they were gonna start stocking it.

 

[powerstroker]

Re: lower unit ???

would a normal o ring be suitable for the plugs? or does it use a rubber washer of some sort? or nylon washer as mentioned above?

 

[powerstroker]

Re: lower unit ???

bump