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  1. #11
    Just for info I have asked both owners the 300hr and 250hr skis always keep battery connected and charged. As for the 60 hour trailer queen battery was always connected but allowed to fail twice so who knows the one has always had fresh batts and the low hr. had batteries go dead. So perhaps it is FI controller receiving less than 12.25 volts that caused failure. My guess is a faulty layer in board.???????

  2. #12
    DSR's Avatar
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    FWIW, the X that I picked up for my project had actually set outside at a salvage auction facility since 2013 and I picked it up in Oct. 17 (with the battery completely dead of course....), I replaced the battery, changed oil and filter, purged the fuel system and it fired right up with no drama.

    From what I've gathered, I think the Honda ECUs are inflicted with the same issues that most production OE components are, in that they're built to a price-point set by the OE, and hence not as robust and reliable as they could have been. Keihin evidently cut the line a little too close in that compromise......

  3. #13
    I can say this ,other than the oil checking routine (Yamaha 5 valve and all dry sump must be run before seeing proper oil level) and the FI controller as Honda labels it. The HONDA'S are awesome engines and are very tough all things considered, and one heck of tough turbo.

  4. #14
    DSR's Avatar
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    I definitely agree that Honda did a nice job on the engine architecture / design for their PWCs and the quality of the components within. A couple of the reasons that I chose an R12X for my mini jet boat project. A 1235cc DOHC 4-cylinder with forged internals and dry-sump oil system and a 6600 rpm redline, with proper maintenance, should last darn near forever. Even with a 7500-8000 redline and reasonable additional boost using a stand-alone engine management system that I'm planning on utilizing, should be well within the capabilities of the design with a valve spring upgrade, which seems to be the only "weak link" in these engines when you turn the wick up on them

  5. #15
    Quote Originally Posted by mrjetskey View Post
    I can say this ,other than the oil checking routine (Yamaha 5 valve and all dry sump must be run before seeing proper oil level) and the FI controller as Honda labels it. The HONDA'S are awesome engines and are very tough all things considered, and one heck of tough turbo.
    Hey Marvin glad to see you got this solved, You emailed me a while back about the issues you had with the Code 25

  6. #16
    cameron da river rat's Avatar
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    im new to hondas as well and you can throw every scenario about how grandma drove it to the grocery store and church but the fact still remains................its the ecu. went through this for 2 years and did all kinds of stuff and thought "maybe i fixed it" but guess what......not trying to be negative just honest. its a known problem no matter how its treated. do some research. you'll quickly find theres a cheaper alternative to the solution.


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