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    2006 Yamaha 200 HPDI fuel pump issue

    Hi, I'm getting ready to figure out why the electric fuel pump on my HPDI won't come on. It doesn't seem like the relay is getting it's signal from the ECU. Any ideas on what could be causing this? Thanks.
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    1997 Suzuki DT150 EFI what to do with the nipples

    Hi, I've just acquired a 1997 DT150 efi that has been "worked" on by the previous owner. I removed the oil tank today to clean it and found that the little brass nipples on the intake that were used to inject oil on the older efi's didn't have any plugs or hoses on them. I can't find any mention...
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    150 ox66 fuel pressure regulator

    All was well for a while until lately when I noticed some slight rpm fluctuations while cruising. I thought it was the vst screen again, so I took it out and cleaned it and also cleaned the screens in front of the injectors. I reassembled everything and now the engine will not run for more than...
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    Yamaha 150 OX66 Bad CDI?

    Okay, my first post was a little convoluted. Why is my CDI not turning off the main relay when I turn off the ignition key?
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    OX66 150 issues!?

    Hello everyone, this is my first post. I've got a 1999 150 Vmax ox66. First off, this engine spent some time under water about a year ago, but was successfully recovered and seems to be operating really well, aside from a couple of issues that may or may not have anything to do with the sinking...
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