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How do I remove the engine at home?
norbete
#1 Print Post
Posted on 09/13/11 - 7:21 AM
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I am looking to flip my whaler over to do some much needed hull repair and repainting. I think the only way this will be possible is to remove the engine and hang it on a saw horse. Is there any way to do this at home? The 75 HP 2005 mercury two stroke weighs around 375lbs apparently.

Can I rent some equipment such as a car engine hoist?

Any thoughts are appreciated. THanks

 
Meridian
#2 Print Post
Posted on 09/13/11 - 8:05 AM
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An engine hoist will work.


Edited by Meridian on 09/13/11 - 8:06 AM
 
norbete
#3 Print Post
Posted on 09/13/11 - 9:24 AM
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Where on the engine do I connect the hoist?

 
tedious
#4 Print Post
Posted on 09/13/11 - 9:27 AM
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If you have something solid overhead (some garages are built with I-beam support, for example) then a chain hoist is relatively inexpensive. Or there's always the old lower trailer tongue, tie motor to tree branch, raise trailer tongue method.

Tim

 
mdpolakow
#5 Print Post
Posted on 09/13/11 - 9:59 AM
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I lift my 150hp (490lbs I believe) with a chain hoist and 4x4 guiatine looking frame that I build. If you pull the cowling on the motor there should be lifting points on the top of the power head. For my suzuki there are 2. I connect a chain between them and then lift. If you build a structure be sure it is sound, don't skimp.

 
Finnegan
#6 Print Post
Posted on 09/13/11 - 10:53 AM
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First of all, as a Mercury owner, I can tell you to lift the engine, you need Mercury's lifting ring which threads into the top of the flywheel. About $50, or you may be able to borrow one from a local dealer.

Then, I would recommmend renting a trailerable engine hoist, about $25 for a daily rental. These are simple to use and work well.

I think you will need a little more than a conventional sawhorse to suppor the engine, but some kind of a wood engine stand should be easy to design and build.

Your engine, incidentally, weighs 305# plus weight of prop and oil in the tank and gearcase.

 
Bob Younger
#7 Print Post
Posted on 09/13/11 - 1:13 PM
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I bought a standard engine stand then attached a 'slab' of wood (about two foot square) I made that is the same thicknesss as the transom. I also drilled holes in the 'slab' for the engine bolts.I use an engine hoist (about $150 from what I remember) to lift the engine then lower it on the modified engine stand and bolt it on. I can then move the engine around and out of the way quite easily (my space is limited). When ready to reattach I just lift with the engine hoist and roll into position. This makes realigning everything real easy (and realignment can be a real pain). When I'm finished the engine stand can be disassembled and stored out of the way. The engine hoist folds up so it does not take up too much room.

 
CES
#8 Print Post
Posted on 09/13/11 - 1:26 PM
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In north Texas, we use some chain, a come along and a big 'ole oak tree.


Cliff
1966 13' Sport with a 1993 40hp Yamaha 2 Smoker
 
Gamalot
#9 Print Post
Posted on 09/13/11 - 2:34 PM
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Harbor Freight sells a nice engine stand with wheels for around $50. My 90 EV has lived on it for near on to a year now. Two guys and a gal working the trailer jack will do it. Make sure she knows "Righty, tighty or Up and Lefty Loosy and down! Just don't use a Lefty! LOL

 
harwichboy
#10 Print Post
Posted on 09/13/11 - 7:32 PM
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I removed my Mercury 75HP this season to restore the hull of my Nauset 16.

I built an outboard stand from drawings on this site. I built a horizontal beam (2) 16' x 2x6 between two trees in my backyard. I put the harbor Freight chain hoist in the midle and easily lifted my 306 lb motor.

 
Karlow
#11 Print Post
Posted on 09/13/11 - 9:57 PM
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Like they said.
First build an engine stand.
I have a DF70 @ about 350lbs.
It has lifting rings. A little chain, and it's all good.
Rent a cherry picker for $25 for two hours.

Job done!

 
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