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    2003 yamaha 150txrb oil pump linkage question

    I am reinstalling the oil injection system after the last owner deleted it. Trying to get the new oil pump set up correctly. The service manual says to adjust the oil pump linkage with the butterflys fully closed so that the oil pump lever rests on the stopper. When i do this and go to WOT the...
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    2003 yamaha 150txrb oil lines

    Just purchased a boat with a 2003 yamaha 150txrb that had the oil injection removed. I am trying to reinstall oil injection and have all the parts but want to replace the oil lines coming from the pump to the reed plate. Do these hoses have to be yamaha or could i just buy the same size hose...
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    1990 2.4l 200 with wmv18s idle help

    Recently bought a rebuilt 1990 mariner 200, seems to run fine up top but cannot seem to get the idle right. It came with wmv18s which i know are from a newer 2.5l. Issue is in order to get it to idle decently i have to have the mixture screws a half turn out and idle timing set around 8* btdc...
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    Mercury 200 2.4l prop question

    I have a 94 astro 18 fsx which had a 89 mariner 175 with a 2:1 gear, before that motor took a crap it turned a yamaha 25 pitch m prop to 5900. New motor is a 1990 mercury 200 with a 1.87:1 gear and will only turn this prop to 5000 rpms. Found a 22p tempest plus for a good deal, but wanted to...
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    1990 mercury 2.4l compression

    Just wanted to run these compression numbers by yall, one cylinder is a little lower than the others and wanted to make sure all is good. Compression was checked cold, all plugs removed, and butterflies closed. Motor is a 1990 merc 2.4l with a little over 5 hrs since rebuild. #1 125 #2 126 #3...
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    New 2.4l "frankenmotor" tach help

    Just purchased a fresh rebuilt 2.4l, runs like a brand new motor, but today my tach just stopped working. After looking at it it looks like the signal wire is connected directly to the yellow wire on the stator. The stator was replaced when i picked up the motor last week. I immediatly thought...
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    89 Mariner 175 water in cylinders

    I have a 2.4l 175 that has water droplets on all 6 plugs and cant figure it out. The pistons look like they have been steam cleaned. So far i have replaced both head gaskets and replaced the divider plate and both gaskets. Checked compression this morning and all 6 are between 118 and 122. Any...
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    2.4l thermostat question

    Hey guys i have an 89 2.4l mariner 175. Just replaced poppet valve and water pump for a on plane overheating issue which fixed the problem. Issue now is it does not want to get up to temp at idle. I pulled the thermostats and they seam to be working properly, open at around 140 and close around...
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    Sealing case halves on 2.4l

    Hey guys just finished a re-ring on on an 89 2.4l and am ready to put this thing back together, what do y'all recommend for a sealant for joining the crankcase to the block? Preferably something that can be found at an autoparts store unless it is something that needs to be ordered. One...
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    Help with mariner 2.4l 175 efi

    Hey guys been lurking a while on the forums trying to figure this thing out. Here's my problem I bought a 94 astro 18fsx with a 175 mariner 2.4 efi serial number oc155438. The thing starts and runs great on muffs but will not plane out on the water. Here is what I have done to it so far 1. New...
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