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    cant get in reverse

    Hey everyone. Here's what I have. 91 mercruiser alpha 1. I had the stern drive (upper and lower) off for the winter to replace the impeller and housing. It was leaking so I did that easy fix. I than pressure tested it and all is good. Here is my problem, without stern drive on, the shifter goes...
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    shift interrupt switch system

    Hey guys, I had the engine out of my boat last winter to do some work. Put back in and could not get a spark anywhere. I printed off a check list to try to figure out why it wasn't sparking (don't remember where I got the check list from). After going though all the test it was the tachometer...
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    Shifting problem

    Hey guys, Have a 91 Mercruiser 3.0 Alpha 1 I will try to explain everything I did this winter than explain what problem I am having to get the whole story out there. Last winter I had the motor out and the stern drive removed. I had taken the shift cable out from engine to stern drive and put...
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    Pressure testing and oil coming out weep hole.

    Ok, here is what I did and what happened. I took Drive off and replaced impeller and housing. Also found the shift shaft seal going bad so I replaced. I have replaced impeller and housing before and never had a problem. But now when I fill with fluid it comes out the weep hole. So my question...
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    Spark plug wires

    Well here's the deal. I have a 1990 3.0 Mercruiser. I pulled my motor out this winter because I had a oil pan leak. While I had it on the stand I thought I would check everything over and replace old parts, hoses, paint it, etc. When I took the spark plug wires off I made a diagram of how the...
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    Exhaust Shutter

    I have a 3.0 Merc Alpha 1. I just pulled the drive off and pulled the motor out. First I found a broken bolt and it ended up being a starter bolt. Going to get that fixed. Not going to be fun drilling that out. Here is my question. I looked at the exhaust pipe and couplers. I noticed there is no...
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    Wot rpm

    Hey guys, I have a 91 Mercruiser 3.0 with Alpha 1. My question is, what is the WOT RPM for this engine? Any help would be great. Bought this boat a few years back and want to make sure prop is right and not over doing it.
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    Prestolite distributor

    Hi, I have a 1990 Mercruiser 3.0 with a Prestolite distributor. Would like to do a tune up but I can not find the tune up kit. Most online stores I have found are for a Delco or just the points for a Prestolite but no cap. Any help would be great. Thanks in advance!!!
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    Starting Problems

    I have a 1990 Mercruiser 3.0 I/O. When I start the engine it takes a few minutes in high idle to get it warmed up or it will stall at regular idle. Than when I go in reverse to foward, the boat stalls and takes a few minutes to get it started again. The last time I had it out on the water, I had...
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