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  1. Replies
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    Re: 2007 vx remote

    Yes, I see now that the remote tool is a completely different thing than the diagnostics software.
    ...
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    Re: 2007 vx remote

    Is there a way to confirm if the remote is transmitting anything at all? Is the programming something that can be done with the Yamaha Diagnostic system that is sold on eBay, etc? I would like to...
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    2007 vx remote

    I bought a used 07 vx cruiser. It came with a remote but it didn't do anything. I changed the battery, still nothing. Is it possible that the PO somehow disabled the system or do I just have a bad...
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    Re: VX110 out of time?

    This was it. I pulled the cams and two of the shims were laying on the floor of the head. At least one other was dislodged under the cap and several others were questionably dislodged. I snapped...
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    Re: VX110 out of time?

    While I was cleaning the head a few valve caps fell out. I didn't see any shims laying anywhere though. I put them back where they came from. Could an issue with the shims cause this?
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    Re: VX110 out of time?

    Just realized I only have compression on the second cylinder from the front. Is the front cylinder not cylinder #1? Am I 180* off? I don't know how I could be, my marks are still lined up...
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    VX110 out of time?

    I just got finished re-installing my head after cleaning concrete / sand out of the coolant passages. Before I started I marked my cam sprockets and cams accordingly, I did not turn the engine...
  8. Re: VX110 gauge-volts reading all over the place

    Dang, sorry. No help then.
  9. Re: VX110 gauge-volts reading all over the place

    This exact thing happened to me in my Seadoo when my fuse plugs were slightly corroded. It was the power wire for my radio and it would fluctuate exactly like yours. Sometimes it was enough to...
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    Re: VX110 Oil Tank Bracket Mod

    Just want to say thanks for this advice. Saved me some time today.
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    Re: Gear Reduction Drive

    Thank you.
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    Re: Gear Reduction Drive

    Old thread, I know. But for my own curiosity, why is the gear drive even needed when there are other models out there that spin just as fast without it?
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    Re: Yamaha VX110 Overheat Warning Indicator

    Well, I pulled my anode and stuck a bore scope in there. I could clearly see all the way to the bottom of the head with no blockage / concrete. I also stuck a piece of plastic wire in the water...
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    Re: Yamaha VX110 Overheat Warning Indicator

    Here's some videos I found on TY that helped me, and might help others, understand the system a bit better. I'm not condoning or disparaging the clearing method used in the second one but it's...
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    Re: Yamaha VX110 Overheat Warning Indicator

    Is there a way to verify skirt blockage without pulling the head? Borescope or something?
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    Re: Mikuni SBN fine-tuning

    Since I know everyone was biting their nails trying to figure this out, I'll give an update.

    I was going to reduce pop-off pressure to try and richen the mixture up on the right side. I opened...
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    Re: Mikuni SBN fine-tuning

    Came here just to be negative?
  18. Replies
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    Re: Mikuni SBN fine-tuning

    Sorry. I should clarify that all testing is done on the water. Anything out of the water is pointless.

    The two problems are different so I'll try to explain each in more depth.

    The 4500-5500...
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    Re: Mikuni SBN fine-tuning

    The only thing I see inside the carb that is even a little "off" is the diaphragm that pushes the needle valve lever seems warped and doesn't want to sit flat. This gets pressed flat when the carb...
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    Re: Mikuni SBN fine-tuning

    The SBN manual states, "An indication that your pop-off needs to be adjusted is a lean hesitation when you open the throttle from idle; in the extreme, the engine may even die."

    That closely...
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    Re: Mikuni SBN fine-tuning

    Posting this mainly for my own reference / recording. I know pretty much no one is paying attention.

    I've taken the boat out several times since starting this thread. Complaint #1 seemed to...
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    717 jetting history

    Using this list, I've eliminated everything but 717 single-carb applications:

    558148

    I'm trying to understand the jetting changes they made through the years and why they were made but I don't...
  23. Mikuni needle / pop-off deeper understanding

    I think a lot of people understand generally how the Mikuni carbs operate, but pop-off and how it affects the rest of the carb, seems to be somewhat of a black box for many. I admit that I don't...
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    Re: Mikuni SBN fine-tuning

    Premix 40:1
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    Mikuni SBN fine-tuning

    Hello, I'm back! Some of you may recall me from this thread:

    http://www.pwctoday.com/showthread.php?t=490585

    1998 Sportster 1800, dual 720's, single carb per engine.

    The boat looks and...
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    Re: What Is The Best Oil For A 587?

    API-TC has a higher breakdown temp than TCW3. So I guess the argument for the API-TC in non-RAVE engines is that it provides a slightly higher margin of error for when things go wrong.
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    Re: What Is The Best Oil For A 587?

    Reviving this in hopes of learning, but also to clear up some falsehoods that I see based on my recent learnings.

    1. First, let's talk about ash. It's not something that is put in the oil to...
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    Re: 720 Randomly Runs Rough, won't rev.

    Thanks for the well-wishes and the help. Hopefully this thread will help some others in the future as well. This winter I plan to fix the gauge cluster that the PO screwed up, replace the rear...
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    Re: 720 Randomly Runs Rough, won't rev.

    Just thought I'd bring this thread to a close. I've now been out on several runs of a few hours each, including 2 night trips and spending my wedding anniversary restaurant / bar-hopping in it. The...
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    Re: 720 Randomly Runs Rough, won't rev.

    Any guesses as to why they put that fuse deep down low in that box where it will seldom get inspected? The PO of my boat has his own fuse panel where he's moved the 3 main 20-amp fuses to. (About...
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    Re: 720 Randomly Runs Rough, won't rev.

    Yes, poor contact can cause heat like that. I've had it happen before in automotive applications. After I found it I googled it and I think I ran across a thread you posted about it. If not you...
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    Re: 720 Randomly Runs Rough, won't rev.

    Had a mostly successful test run today. It didn't act up at 7k again and the right engine actually went all the way to 7k!

    Something new did happen though. The left engine wanted to over rev at...
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    Re: 720 Randomly Runs Rough, won't rev.

    Lol. I wonder why they ever started! There's a lot of things about them that, upon retrospect, seem like they could have been designed better. The hidden fuse deep down in the dark, enclosed box...
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    Re: 720 Randomly Runs Rough, won't rev.

    Plugs and wires are changed now, both engines start and idle equally, which has never happened before. Left engine has always wanted to idle too high no matter what I ever did with fuel adjusters or...
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    Re: 720 Randomly Runs Rough, won't rev.

    Looks like this wire should work.

    I'd like to replace the boots at the same time if possible. The part number on mine are TB10EMA which denotes 10kohms resistance. But TB10EMA is discontinued...
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    Re: 720 Randomly Runs Rough, won't rev.

    Thank you again for the offer! I was unable to find any locally but my local O'Reilly says they can have this here by noon so I'm going to give that a shot. I've got rain and work the rest of the...
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    Re: 720 Randomly Runs Rough, won't rev.

    I wanted to see what the inside of 20 year old solid core looked like so I slit one of my old wires open. Half the wires about an inch in we pure dust, crumbled out of the wire as I pulled it. ...
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    Re: 720 Randomly Runs Rough, won't rev.

    That's a great experiment, wish you had some video of it! I love that kind of stuff!
  39. Replies
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    Re: 720 Randomly Runs Rough, won't rev.

    Cars haven't used solid core in decades. Everything they use is less durable than solid core. But your underlying point isn't missed and I don't disagree.
  40. Replies
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    Re: 720 Randomly Runs Rough, won't rev.

    Mainly because I have a curious mind, I cut open one of plug boots that was on my old engines. This is what's inside:

    554335

    I ohmed out it and the other one on the same coil and got 9 and 10...
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    Re: 720 Randomly Runs Rough, won't rev.

    I appreciate that, really. But maybe I can find it locally and not even bother you with it if you can tell me where you buy it or what the part number is? 10 or 20 years ago you could go to any...
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    Re: 720 Randomly Runs Rough, won't rev.

    Is there a plug wire / boot commonly available at any auto parts stores that will work? Would be nice not to lose the rest of the week waiting on parts from OSD ...
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    Re: 720 ignition timing, new SBT motor

    Dang, that's never good to hear. Thanks for letting me know.
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    Re: 720 Randomly Runs Rough, won't rev.

    I did trim wires on the right side back when all this first started but I'l do it again.

    I'm not a pro plug reader by any means. What about those plugs tells you that?

    I'm also curious as to...
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    Re: 720 ignition timing, new SBT motor

    I have no reason to doubt this method. But if it was this easy why doesn't the manual just say this instead of the whole huge procedure that it does state?
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