Recent content by halibob

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    89 black max v200's

    Ok, i'm impressed with the knowledge that some of you guy's have on my particular engines, and it seems like you like a challenge so here it is. I have twin 89 200 hp carbureted black maxes with about 1100 hrs on them. The compression is great and consistant on both, and they generally run great...
  2. H

    mercury check valve

    I have a 89 mercury v200 and am in the process of replacing all of the check valves in the oil injection system. I noticed on the one that comes from the crankcase to pressurize the system, it isn't completely air tight. As a matter of fact, i have twins and both crankcase check valves leak a...
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