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Harryc
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« Reply #40 on: November 06, 2016, 02:25:13 PM » |
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If you still have an erratic idle after synchronizing the carburetors I'd suggest to get some silicone spray and generously wash down all the carburetor linkage, take off the chrome covers to do it and work the throttle also while doing it. That's what I think may be the problem. The linkage is non-compliant.
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I'll try it, thanks. |
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pancho
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« Reply #41 on: November 06, 2016, 03:01:53 PM » |
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Harryc, you can just remove the lead from the ECT sensor and go for a ride,, it will keep the timing from changing,, see if the problem is gone. In our bikes, the ECT circuit is used by the ECU to advance the timing which does effect engine RPM.
Thanks for the idea. Do you know if that connector is reachable without removing the radiator? Look at the wiring diagram, I "BELIEVE" you can unplug it in the connection bundle under the neck cover on the right side,, you need to remove the tank. |
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The most expensive things you will purchase, are those things you would not have needed if you had listened and obeyed.
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pancho
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« Reply #42 on: November 06, 2016, 05:21:45 PM » |
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I looked Harryc, it is the 2 pin blue connector with a green/black and a pink/white wire in the bundle under the right side steering cover. I think disconnecting that one is easier than getting to the ECT sensor.
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The most expensive things you will purchase, are those things you would not have needed if you had listened and obeyed.
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Harryc
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« Reply #43 on: November 07, 2016, 11:45:28 AM » |
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Great, thanks for taking the time to look.
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Harryc
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« Reply #44 on: November 10, 2016, 02:36:17 PM » |
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Spent some time yesterday and lubed the throttle push and pull cables, and all of the throttle linkages. The throttle was sticking when I turned the bars full stop to the right. Between the lube and giving the pull cable a bit more slack that was fixed. The idle problem continues. I can't get it stable. Next up is to try the ECT disconnect.
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Brian
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« Reply #45 on: November 18, 2016, 03:09:12 AM » |
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Spent some time yesterday and lubed the throttle push and pull cables, and all of the throttle linkages. The throttle was sticking when I turned the bars full stop to the right. Between the lube and giving the pull cable a bit more slack that was fixed. The idle problem continues. I can't get it stable. Next up is to try the ECT disconnect.
I had erratic idle that wasn't all that bad. When a bowl gasket started leaking I decided to bite the bullet and do a completed carb cleaning and rebuild. My pilot needle valves were all corroded. I even replace the stock jets. You can purchase everything for the rebuild from redeye, the jets will need to be ordered from another source. I have cleaned the jets before during a previous carb party replacing the fuel rail gaskets. After I went thru the carbs this last time my idle is very steady now. You can do a desmog very cheaply. I left the chrome exhaust tubes in place filling in the open end that connected to the PAR valves with JB Weld and plugged the air box connection. I strongly suggest using 100% gas or using a good ethanol gas additive. I have been using Liquid Performance sold at my Honda dealer. Ethanol attracts moisture. This corn fuel is horrible, I blame this on my carb issues. Their service department stays busy because of this crap. The dealership owner tells all his customers to never let untreated gas sitting for more than a month. Just my two cents. Good luck, |
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Harryc
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« Reply #46 on: November 18, 2016, 03:21:52 AM » |
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@Brian , thanks for posting. Yeah mine isn't horrible running either. Gets me where I am going and the mid to top end is fantastic, but I know it can be better at idle. I'll be pulling the carbs over the winter, doing a rebuild and a desmog. I'll bet I am going to find what you did. Some mild corrosion and or a blocked jet or jets, either partially or fully. I've used redeye before and plan to continue to use him. Good service. As far as the rebuild, if I am going in there it gets all new pilot screw o-rings, bowl gaskets, low speed jets, and float needle valves. If I see pilot screw corrosion then those get replaced too. I want to do this once and right. For the desmog I'll be using the redeye Shiny Desmog kit.
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« Last Edit: November 18, 2016, 03:30:26 AM by Harryc »
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Harryc
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« Reply #47 on: December 18, 2016, 06:04:54 PM » |
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Just wanted to post an update. I am done with the desmog (Shiny kit from Redeye) and I am almost done with a carb cleaning and partial rebuild. I did find (3) partially blocked low speed jets. I ordered a new set of (6) low speed Keihin jets, and that's currently what I am waiting for. After I removed the carbs and the shield between the radiator and the carb bank I saw the Engine Coolant Temperature Sensor (ECT) right there and accessible.  . Well, since I had one this was a good time to replace it, which I did today. More to follow once i get everything buttoned up. |
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« Last Edit: December 18, 2016, 06:06:42 PM by Harryc »
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« Reply #48 on: December 18, 2016, 06:08:23 PM » |
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Thanks for the update.
Many don't and leave future searchers in the dark.
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Hook#3287
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« Reply #49 on: December 18, 2016, 07:16:46 PM » |
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Hey Harry;
Sounds like you've run the gamut on this issue. Hope the carb rebuild solves the idle fluctuations. Did you try disconnecting the ECT?
It's good you found the clogged jets, but I'm not sure that would cause your idle changes.
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Harryc
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« Reply #50 on: December 18, 2016, 07:22:39 PM » |
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Hey Harry;
Sounds like you've run the gamut on this issue. Hope the carb rebuild solves the idle fluctuations. Did you try disconnecting the ECT?
It's good you found the clogged jets, but I'm not sure that would cause your idle changes.
Hi, I did not try to disconnect it. I had one so I just installed a new one. |
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« Last Edit: December 18, 2016, 07:24:24 PM by Harryc »
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Harryc
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« Reply #51 on: December 23, 2016, 01:55:35 PM » |
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This will be the final post for the fix on this problem. I got the bike back together after replacing the ECT module, doing a Shiny Desmog, and cleaning & rebuilding the carbs, including new A/F Mix screw o-rings, low speed jets, and float needles. The problem is resolved and the bike idles as it should and it is constant. My apologies for not pinning it down to one thing for future readers, but due to the complexity of the repair it was not feasible. It just made sense to do it all at once. Thanks again for all of the help here guys. This forum rocks. Merry Christmas & Happy New Year to all.
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« Last Edit: December 23, 2016, 02:01:30 PM by Harryc »
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Hook#3287
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« Reply #52 on: December 23, 2016, 01:58:08 PM » |
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This will be the final post for the fix on this problem. I got the bike back together after replacing the ECT module, doing a Shiny Desmog, and cleaning & rebuilding the carbs, including new A/F Mix screw o-rings, low speed jets, and float needles. The problem is resolved and the bike idles as it should and it is constant. My apologies for not pinning it down to one thing for future readers, but due to the complexity of the repair it just was not feasible. It just made sense to do it all at once. Thanks again for all of the help here guys. This forum rocks. Merry Christmas & Happy New Year to all.
Great news Harry, glad she runs as good as she looks  |
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Harryc
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« Reply #53 on: December 23, 2016, 02:04:53 PM » |
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Great news Harry, glad she runs as good as she looks Thanks Bill, I appreciate the help and the comment. You nailed it my friend.  |
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Moofner
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« Reply #54 on: December 23, 2016, 09:56:19 PM » |
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This is why I love this forum, all the collected knowledge. Thanks for the interesting read gentlemen, I'll keep all this in the back of my head for when I get into my carbs.
I'm going to have to buy that digisync sooner or later!
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2003 Valkyrie "Ricky's Bike" 2014 Valkyrie "The Gypsy Bride"   |
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Leathel
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« Reply #55 on: December 27, 2016, 03:28:15 PM » |
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This will be the final post for the fix on this problem. I got the bike back together after replacing the ECT module, doing a Shiny Desmog, and cleaning & rebuilding the carbs, including new A/F Mix screw o-rings, low speed jets, and float needles. The problem is resolved and the bike idles as it should and it is constant. My apologies for not pinning it down to one thing for future readers, but due to the complexity of the repair it was not feasible. It just made sense to do it all at once. Thanks again for all of the help here guys. This forum rocks. Merry Christmas & Happy New Year to all.
Good to here it is all sorted  |
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Harryc
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« Reply #56 on: December 27, 2016, 03:33:47 PM » |
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Good to here it is all sorted Thanks Leathel. Glad to see you made it over here. |
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Leathel
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« Reply #57 on: December 28, 2016, 02:37:09 AM » |
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Good to here it is all sorted Thanks Leathel. Glad to see you made it over here. I will be posting a bit more when I am back from Holiday.... Floor boards fitted and more in the pipe line |
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h13man
Member
Posts: 1752
To everything there is an exception.
Indiana NW Central Flatlands
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« Reply #58 on: December 30, 2016, 05:38:41 AM » |
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This will be the final post for the fix on this problem. I got the bike back together after replacing the ECT module, doing a Shiny Desmog, and cleaning & rebuilding the carbs, including new A/F Mix screw o-rings, low speed jets, and float needles. The problem is resolved and the bike idles as it should and it is constant. My apologies for not pinning it down to one thing for future readers, but due to the complexity of the repair it was not feasible. It just made sense to do it all at once. Thanks again for all of the help here guys. This forum rocks. Merry Christmas & Happy New Year to all.
Good to here it is all sorted I gather you bought a Valk finally? Been too busy to keep up lately. Welcome. |
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Leathel
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« Reply #59 on: March 06, 2017, 12:21:55 PM » |
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This will be the final post for the fix on this problem. I got the bike back together after replacing the ECT module, doing a Shiny Desmog, and cleaning & rebuilding the carbs, including new A/F Mix screw o-rings, low speed jets, and float needles. The problem is resolved and the bike idles as it should and it is constant. My apologies for not pinning it down to one thing for future readers, but due to the complexity of the repair it was not feasible. It just made sense to do it all at once. Thanks again for all of the help here guys. This forum rocks. Merry Christmas & Happy New Year to all.
Good to here it is all sorted I gather you bought a Valk finally? Been too busy to keep up lately. Welcome. Found a new button today... Show replies to new posts.. Missed this post being I was on holiday at the time with a patchy internet connection, Yes I found a great low K Valk as you probably have seen from posts here and on that other site |
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