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    Rebuilt Mercruiser 5.0 won't start, ideas please?

    Ok, Just got my boat back in January after a lost season last year where we were waiting for a rebuilt Mercruiser 5.0 engine for my 2006 Chaparral. I had a Boat repair company put in the new engine and winterize it and I took it home in January. The guy sent me a video of the engine running...
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    2006 Chaparral 190SSi Mercruiser 5.0 has perplexing alarm/power loss

    I bought a 2006 Chaparral 190SSi w/5.0 Mercruiser carbureted last fall. It had a blown head gasket and cracked port side head. I replaced the bad head and head gaskets and put it all back together, changed the oil 5 times to get out all the water etc. We have had it out on the lake 3 times...
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    2006 Chaparral with Carbureted 5.0 Mercruiser having alarm and limited power.

    I have a 2006 Chaparral with a 5.0 Mercruiser (carbureted). We rebuilt the top end of the engine last fall because the previous owner blew a head gasket and cracked the port side head when it hydro-locked. We replaced the port side head, gaskets and rebuilt the sterndrive replaced impeller and...
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    Mercruiser Alpha One Gen2 Sterndrive getting water in gear oil

    Hey guys, After rebuilding the top half of the engine in my Chapparal boat that I purchased in July, we were finally ready to take it out on the lake and test it this weekend. But after testing the new impeller we recently installed, we drained the gear oil after a 20 minute run using a big bin...
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    Oil Pressure and Water Temp Alarm Test

    Is there an easy way to test if the audible alarm is working on a Mercruiser 5.0 if the temp gets too high or the oil pressure too low. Previous owner of this boat blew a head gasket when he overheated the engine. Didnt get a chance to ask him if the alarm went off of not before he damaged the...
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    Puzzling Ground Wire on Mercruiser 5.0

    I recently did a head and head gasket replacement on a 5.0 Mercruiser that I purchased this summer. I took lots of photos of the engine before tear down just in case I couldnt figure out were some wires attached and whatnot. At the end of reassembly I had a ground wire with an eyelet connector...
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