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#11
11-13-2006, 06:22 PM
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Re: Mercruiser Message Board Needed - A GOOD ONE
How do you do this ? The package is only (3) seasons old. I have removed the drive each season and assumed that if it slid in smoothly, it worked is this a good indicator ?
Done. But, I do not know if it is possible to reach the coupler fitting to grease. Via a seacock/southbay strainer. At 350HP I'd think you have a Bravo I; Bravo 3 
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#12
11-13-2006, 06:32 PM
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Re: Mercruiser Message Board Needed - A GOOD ONE
you check engine alignment with an alignment tool, its just a shaft that you slide in thru the gimbal bearing and into the coupler, if the engine is in align, the shaft will slide in easily, if its not, it will take some force, Mercury says it should slide in with two fingers. These shaft were once only available from Mercury, but know the afermarket has them priced reasonable, try Sierra Marine, GLM, Aqua Power, etc. You might try ebasicpower.com for your parts and tools. While you're at it, go ahead and buy the gimbal bearing installer, not really need but it does a nice job and prevents damage to the beariing. You obviously have something going on there, I've been working on Mercruisers since '86 and have neaver seen a gimbal bearing that was bad from wear, its alwas been from water or alignment, make sure you check you're bellows while you have it apart. As far as greaing the coupler, i just spread spline grease( yes they have a specific grease) on the input splines when I put the drive back on, check the splines and see if they look thin and sharp,thats an indication the alignment is off or you haven't had enough lube on them
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#13
11-13-2006, 10:14 PM
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Re: Mercruiser Message Board Needed - A GOOD ONE
What spareparts said....
I have the 350MAG MPI FWC in a 24' sailfish with Bravo 1. The coupler has two grease fitting and there's enough room for me to lay across the engine a get a grease gun onto the coupler grease fittings. I do it about every 50 hours.... I installed the whole package so I was fimiliar with it...I also stuck a digital camera behind the engine and snapped a few shots....the grease fitting showed up clearly. The most annoying thing is getting the gallows set up if the alignment is off...you have to lift the engine and adjust the engine mount nuts.
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#14
11-16-2006, 02:11 PM
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Re: Mercruiser Message Board Needed - A GOOD ONE
Hey spareparts, from up here on the Outer Banks of North Carolina.
Am disappointed in Mercury Marine; their information is notable in the lack thereof (see my post under performance where the drubs refuse to publish power curves so sound engineering judgments can be made. Anyway: have subscribed to SeLoc's online Mercruiser manuals and find them as clumsy and poor as their print version: can you give an idea of: . the quality of Mercury's shop manuals . """""""""""""""""""""""" Owner's manuals. Want GOOD details for servicing both routine and complex, of a 1976 Mercruiser GM I-6 165 HP I/O. If necessary will spend the $70.++ bucks but want something as good as an auto makers manuals or even a Haynes or Clymer would be better than SeLoc. Thanks, HBH
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#15
11-16-2006, 02:27 PM
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Re: Mercruiser Message Board Needed - A GOOD ONE
I have the merc service manuals for the Bravo and the 350MAG
MPI....they both are pretty good.....much better than SELOC in my opinion...they seem more focused. I think the SELOCs try to cover too many variants in a single book.
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#18
11-16-2006, 06:35 PM
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Re: Mercruiser Message Board Needed - A GOOD ONE
Sorry ab....I'm just Joe Sixpack....I bought mine on-line at regular too high price....
I bought a complete new engine package; engine, transom asbly and drive all stacked on a pallet. It was my first attempt at an I/O and I wanted all the books too. The only special tool I needed was the alignment tool.
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#19
11-17-2006, 12:20 AM
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Re: Mercruiser Message Board Needed - A GOOD ONE
The best way to align your shaft is to coat the allignment tool with grease and insert it into the spline. Pull it out and see if the grease is uniform around the alignment tool. Different manufactuers have different tolerences but atleast this way you can see how close it is versus just sliding it in.
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#20
11-17-2006, 01:08 AM
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Re: Mercruiser Message Board Needed - A GOOD ONE
the mercruiser manuals are some of the best manuals i've ever used, do a search online, there are lots of people that are selling e-maunals on disc or download, i havent used them myself, but i know a couple of people that have them and they are a reprint of the factory stuff. Rhinda Technologies sells the factory authorized versions, they also sell scan tools for EFI engines. If that I-6 in your boat has been in salt its whole life, save yourself time and money, and repower with a new or freshwater setup, that thing will eat up your wallet with repairs
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