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    VRO "no oil" alarm starts at 3500 rpms, dies when closing the gas.

    to all OMC VRO experts, rebuild my 90hp crossflow, and today took her to the lake for some testing. I am kind of lazy, so like to use the vro, let the vro figure out how much oil she needs.:rolleyes: but before going full in, did some testing on the system. Mind you, this is a 4-wire vro pump...
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    Top bearing is not getting enough oil, crossflow 90hp

    Guys, Since i had 2 cilinders scored, i opened the engine investigating and checking everything, i noticed the lack of oil at the upper bearing. It has nothing to do with the 2 cilinders but i know this is not supposed to be like this. Bearings need oil. All intake canals are open, but it just...
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    johnson 90hp 1991 piston #2/cilinder seizure

    Goodmorning mecanics, the motor died on me last time during a wot run. I had this before, that it died on me during a wot run, but i cld always fire it up afterwards, but not this time. Thinking back for the previous times it died, it always ran again, and at home i always performed a...
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    Johnson 1991 90hp crossflow rattle issue

    First Post...... this board seems the most technical of all i visited since i got myself a 90hp old johnson. Before i purchased this engine i did a comp test and visual check. Compression figures are within specs, 118,120,122,124, and piston/crank do not have noticable rod play. Checked it via...
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