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Yanmar engine compression
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<blockquote data-quote="K9" data-source="post: 62903" data-attributes="member: 7773"><p>Okay. I am stumped. I pulled the engine ove rthe christmas period and put new rings in it, as well as new head gasket and associated necessities. Of course, I honed the cylinders. I now have 430 plus on compression across all cylinders. I was excited to get the engine back in, only to find there was no reason to be. Still will not start. I adjusted the timing on the fuel pump because it was out of whack, but i am near certain it is now correct. My Yanmar factory service manual says to adjust the pump timing based on the application of the engine. It is 16 degrees BTDC for some applications and 26 degrees for another. Does anyone know what "VM", "CH" or "CL" would be for apllication? My guess is VM is marine vessel, but no idea on the others and surprisingly, the book does not explain. I call Yanmar and get voice mail that does not get returned. Even more important. Where do I turn to get that last piece to make this thing burn some diesel fuel? I have fuel up to the nozzles, I have compression, and plenty of air for the intake, but none inside the fuel system that I can spot. I have bled the system the best I know how. It has a manual prime lever, unfortunately, it does not do much except prime the fuel bowl. I wish it went all the way to the injectors. I get a like action out of a short burst of ether, but as soon as it is burned off, it is back to zero progress.</p></blockquote><p></p>
[QUOTE="K9, post: 62903, member: 7773"] Okay. I am stumped. I pulled the engine ove rthe christmas period and put new rings in it, as well as new head gasket and associated necessities. Of course, I honed the cylinders. I now have 430 plus on compression across all cylinders. I was excited to get the engine back in, only to find there was no reason to be. Still will not start. I adjusted the timing on the fuel pump because it was out of whack, but i am near certain it is now correct. My Yanmar factory service manual says to adjust the pump timing based on the application of the engine. It is 16 degrees BTDC for some applications and 26 degrees for another. Does anyone know what "VM", "CH" or "CL" would be for apllication? My guess is VM is marine vessel, but no idea on the others and surprisingly, the book does not explain. I call Yanmar and get voice mail that does not get returned. Even more important. Where do I turn to get that last piece to make this thing burn some diesel fuel? I have fuel up to the nozzles, I have compression, and plenty of air for the intake, but none inside the fuel system that I can spot. I have bled the system the best I know how. It has a manual prime lever, unfortunately, it does not do much except prime the fuel bowl. I wish it went all the way to the injectors. I get a like action out of a short burst of ether, but as soon as it is burned off, it is back to zero progress. [/QUOTE]
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