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Old 05-27-2019, 02:24 AM   #1
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Ok you guys, (new to the Forum)

I have a 3.0 Mercruiser, new to me. The guy took good care appearance wise (lol) and I have some issues. I have the Engine S/N, the Transom S/N as well as the Drive. Trying to order Parts or a Parts Manual seems to be very difficult as: They are looking for a number ie. 430B........? They also tell me that my S/N's are wrong!!

Any ideas would be greatly appreciated.

Tom
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Old 05-27-2019, 11:53 AM   #2
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Welcome aboard

What parts are you trying to order? Under Documents of this site you will find the Mercruiser manuals for your engine and outdrive.

If you provide the S/Ns we can try to figure out if they are valid. Are you getting them off the engine cowl or flame arrestor?
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Old 05-27-2019, 10:42 PM   #3
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Who'd a thunk it? Changed the OD to a 0D (zero D) and bam I was in!!!

The impeller kit has been difficult as,there are many choices to choose from.
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Old 05-27-2019, 11:06 PM   #4
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What year is it?
If it is an Alpha1 Gen2 and I think it is I think that the impellers are all the same part# for all Alpha1 Gen2 drives.
Don
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Old 05-27-2019, 11:23 PM   #5
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I've got it in the 89-90 range...(yes, I need to confirm) which, to the best of my knowledge makes it a Gen 1.

Here's the deal: lol
Went through the outdrive and replaced the Shift Cable. (it wouldn't shift) Got that all squared away and a few cruises later, I had a drip or two of Water coming from the circulation Pump. That drip turned into a big spray approx 6 kliks from our Dock. I crippled it in (2,000 rpm max) and pulled the pump. Rusty, corroded and nasty but, low and behold, the Timing cover had several holes in it!! Took it to a local Shop (yes the Bolts were "jacked" as well) and they pulled the Motor. Wasn't my plan but, oh well. New Bearings, Carb. Kit etc.etc. and it was re-installed. I brought him the Water clamp that goes around the outdrive but, before I showed up for the "test fire" they had already started it. Worried about my Water intake thingy, he plugged the water hose to the Engine. Ergh
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Old 05-28-2019, 12:00 AM   #6
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Alpha 1 Gen 2 came out in 1991.
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Old 05-28-2019, 12:12 AM   #7
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Good info, thanks

I'll get it sorted out and enjoy it I hope...I live on the Mekong River (Thailand) and want to slalom ski on the River and turn some Heads!!! lol
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Old 05-28-2019, 12:16 AM   #8
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Hope itís resolved soon so you can achieve your goal.
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