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Posted

I need to change one of my shift cables in the lower unit. The engine stalls every time I shift to reverse to dock. I have checked the adjustments to make sure it was not misadjusted. This is on a 1987 Mercruiser Alpha 1 drive.

How long does/should this take, and are there any secrets or tips I should know?

Who has the best price on replacement parts?

Posted

It takes about 1 to 1-1/2 hrs. It is a good idea to have someone inside and outside the boat. I did mine last Winter. Make up an extra deep 9/16 socket. The standard depth 9/16 deep socket is not deep enough. Buy two CHEAP 9/16 deep sockets 3/8 drive and weld them together. Probably a deep and a regular one welded together would work also. They sell a special wrench for this but it's EZ to make. I'll see if I can find the link for that repair. I did mine while replacing the bellows, Gimbal Bearing, and trim senders. :) I just remembered something, a 1/4 inch pipe tap may be needed. I had to use one.

http://www.amarket.com/shifin.htm

This Site is also a good place to purchase it.

http://www.amarket.com/im519.htm

Here is another link to a site I had stored. It explains what may be happening, and why, when you shift gears.

http://www.sterndrives.com/supplies/mdtips02.html

I also replaced some bushings on the shift shaft.

Posted
I used the GLM from the Aftermarket Discount Marine site.

Thanks Frank! They are half the price as the mercruiser part.

Posted

Yes the GLM parts are a good value. One plus about owning a Mercruiser is the aftermarket parts available. Complete new GLM outdrives cost about $1300 and all the parts are interchangeable with the Mercruiser. These ODs have a 3 year warranty and I think they are made in FL. Sierra also has their line of some aftermarket parts. I have used any aftermarket parts that I could find and haven't had an issue with any of them.

I was wondering if anyone has tried the GLM outdrives. I don't need one now but I don't think you could have a mercruiser OD rebuilt for less than $1300. There must have been a lot of profit in these parts to have another manufacturer jump in and start duplicating them.

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