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SunTime

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Reply with quote  #1 

I believe I had the O case on my 150HP. (DPL engine)

 

I assume the Magnum case will work as well correct?


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seahorse

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Reply with quote  #2 

If you are converting from an O gearcase to a Magnum gearcase, you will have to swap the driveshaft plus purchase a Magnum style shift shaft due to the length difference.


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Reply with quote  #3 

Here's the model/serial,

 

E150DPLISM

5260949

 

I don't even know for sure now that I have the O case now as the upper driveshaft part number I have does not match the upper driveshaft part number on Evinrudes parts page for my engine.. This is proving fustrating just trying to figure out what case I have!


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Reply with quote  #4 

Thanks Seahorse,

I'm a bit confused still though.. (easy done)

I get having to buy the different shift shaft.

However when you say "swap" the driveshaft would I need to use my current "upper" AND "lower" shaft assembly from my O casing or purchase just a Magnum 20" "upper" shaft ????? I'm assuming when the factory sends out a gearcase the lower driveshaft is included in the casing, correct?

Reason I'm asking is I've located a new 20" BRP Magnum gearcase that was going to be used on a 2008 225 at a good price. (my O 20" gearcase is trash)

What can one expect in terms of "performance" difference? Is the Magnum gears much beefier then those in the O gearcase?

 

Also the inspecting Dealer says the casing is twisted ??? I can see where the skeg is out of shape but is it possible to twist the case itself?  I don't want to doubt him but it does seem that would take a hell of a hit and only one pinion gear was missing parts of teeths. No prop damage whatsoever and the hub of the prop never spun nor showed signs of damage.


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Reply with quote  #5 

gear.

 


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Reply with quote  #6 

casing

 


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Reply with quote  #7 

A magnum gearcase does not come with a driveshaft as it has to fit multiple motors. You have to remove your current upper driveshaft and install it in the new magnum gearcase.


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Reply with quote  #8 

Tried ordering a 20" shift rod and Evinrude says they have no production 20" shift rod that will work when using the Magnum case on the 150HP unless I had a 25" mid.

 

Back to the drawing board for me!


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Reply with quote  #9 

Now I have a engineer from Evinrude who says the magnum will work and to use the original shift rod!

 

I'm starting to look at this as a adventure rather then a project..


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Reply with quote  #10 


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Reply with quote  #11 

Ref to above picture ^

 

Wanted to try the shift linkage from my old O gearcase using a Magnum gearcase before I went to the trouble of installing the new impeller kit and driveshaft on this M gearcase to use on my 2010 20" 150HP.

 

Using the measurment that the BRP engineer (a bro-in-law to the guy I bought the gearcase from) gave me, it appears that I will have to use the old shift rod as he stated unless I'm not taking something into account. (I was given a measurement of 20 15/16") 

 

Roughly measuring it from the case to see where I stood, it looks dead on. However I notice when in neuteral the shift rod will slide a total of almost 1/8" up and down, though there does seem to be a "center" to that amount of movement. Anyone else see this type of what I would call slack in neuateral setting before engaging the gearbox in forward or reverse?

 

This gearcase stand is what happens when you have to go bout stuff alone..

Actually works good! LOL

 

 

 


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Huey

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Reply with quote  #12 
Hi, first off you will want to be confident with what you are doing and yes there is a two step design for the neutral detent so be careful and the shift shaft height for a M box-is that a new box because it is an M box, not a M2 box and they have not been made for a few years. Anyway the M shift shaft height for a L/S is 21 29/32 inches and you should really use the right tool being P/N 389997 to check this.

All of the above is critical for gearbox longevity so do you have access to this tools and correct genuine service manaul?

Cheers,

Huey.
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Reply with quote  #13 

Yes Huey it is a 2008 M gearcase.

 

Wating to hear back from EVINRUDE here on this site about getting the Service Manual or C.D. for the engine.

With the nearest Dealer 120 mile trip I'm likely to be going it alone. I've done a lot of Service on I/O's before so I'm confident I can handle this with the correct tool and Manual. 


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Reply with quote  #14 

Thanks Huey,

That shiftrod length is 20 15/16 as confirmed by Evinrude technical support for my 150DPLIS.  I'm using the Magnum case rather then the stock O case on it for a couple reasons, one is it's beefier and two is I got a very good price on it and it's never been used.

I can reuse both the shiftrod and upper driveshaft off my O case as well.

 

That tool is too pricey for what it is and how much I'll need it. I'll try Evinrudes homemade route.

 

I appreciate yours and Seahorses help in trying to steer me right!

BRP's Consumer Support has also been a great asset along with this site to owning the Etec!


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