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    Compatibility of 250 HPDI Lower unit on 250 EFI OX66 Outboard?

    I need a left hand rotation 25" lower unit for my 2000 yamaha 250 EFI OX66. There's one on ebay I'm interested in. It's from a 2003 250 HPDI. The bolt patterns look the same, but I have no idea if this will work on my motor. Can anyone help?
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    2001 Yamaha 250 OX66 stalling at idle

    This problem has been present for a while and I've done a few things to try to fix it, but nothing has worked. It seems to be losing fuel at idle. Here's what happens: I can run all day long at speed with absolutely no problems, it runs perfect. Then when it's time to try to hold position at...
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    2000 Yamaha 250 SWSII OX66 - stumbling and rough running, RODBOLT - please help!

    I've got twin 250s and during a long offshore trip last week the starboard motor started running rough. I had them set at 4300rpms and was cruising in when the starboard engine would lose rpms and shake and run rough. It got worse as some time went on and would sort of stumble for a sec (you...
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    Grady White Marlin 300 - 98 225 yamaha EFI OX66 problems - Rodbolt or anyone...p

    Hey all, I'm new to this forum, but I'm hoping to get some helpful mechanical feedback on my 1998 Yamaha 225 OX66 2-strokes. I'll post the info I posted on THT about what my problem is, please let me know if you have any ideas: The boat is a 98 Grady White Marlin. I have owned the boat for 6...
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