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  1. D

    Johson 75hp seahorse was going then stopped pumping water

    "hi guys have a johnston 7.5hp "hi guys have a johnston 7.5hp was stored and pulled put and started in 44 gallon drum and was pumping well and all of a sudden dried up so flipped the top hoping it was just a blocked discharge tube and you guessed it no so followed it (the tube)stratched my head...
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    Raw engine cooling is there a better way than impellars

    "hi i have a small diesel inbo "hi i have a small diesel inboard Yanmar 1gm10 it has a raw water cooling system what seems to be a weakness is the waterpump impellar,there must be a better system and these impellars break and get a set and possible engine seizure due to overheat as it almost...
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    1GM10 black smoke dirty black discharge

    "problem with black smoke at 3 "problem with black smoke at 3600rev which quickly changes to oil discharge kike a squid alright at 2600 and 3000 rev no smoke at start up,or through rev range until wot,has had both primary and secondary filter changed recently,did try to get it lift onto the...
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