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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > engine has a constant miss for #3 cylinder
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Author Topic: engine has a constant miss for #3 cylinder  (Read 781 times)
goodyjrg
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Posts: 4
« on: March 26, 2016, 03:32:39 PM »
The #3 cylinder does not fire,  and with the enrichment lever fully open, I am not able to bring the engine above idle without the engine dying out.
 I have completely cleaned all passages in all 6 carbs and verified that the #3 plug is not the issue as I switched them around without making a difference.
"Basic-basics" tells me that it is the fuel, spark, or compression. I have not found a fitting for the compression tester that fits the spark plug threads...perhaps that is the next step. I have the compression tester, just not the right head for the plug hole. Anyone know where I can get one?
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gordonv
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Posts: 5762


VRCC # 31419

Richmond BC
« Reply #1 on: March 26, 2016, 04:53:49 PM »
Quote from: goodyjrg on March 26, 2016, 03:32:39 PM
The #3 cylinder does not fire,  and with the enrichment lever fully open, I am not able to bring the engine above idle without the engine dying out.

Can't help with the rest, but notice you have only 2 posts, so I'm going to figure you have not been around and reading a lot.

Are you sure the enricher is fully on? Did you watch the slides? You pull the lever down all the way it will go, then you force it to move another 1/4" +. Now you are moving all 6 of those slides. It takes force, but you aren't breaking it.
« Last Edit: March 26, 2016, 05:13:44 PM by gordonv » Logged
1999 Black with custom paint IS
goodyjrg
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Posts: 4
« Reply #2 on: March 26, 2016, 05:05:54 PM »
Yes the enrichment slides are fully engaged.. it is the only way it will run at idle.
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Pete
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Posts: 2673


Frasier in Southeast Tennessee
« Reply #3 on: March 26, 2016, 06:02:53 PM »
Even with 1 cylinder not working it should start on the choke and soon after it should idle (low) after opening the choke.

If 3 is not firing is number 4 firing?

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Blackduck
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Posts: 642


West Australia
« Reply #4 on: March 26, 2016, 06:46:41 PM »
Do you have a spare sparkplug? Take the lead off and put on the plug, lay on the top of the engine and start it to check for spark.
Is the vacuum nipple on the intake runner blocked off?
Run and spray WD 40 or the likes around the intake and see if the rpm changes.
If you have cleaned the carbs you have had the intakes off, did the O ring go back in properly?
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2001 Standard, 78 Goldwing, VRCC 21411
pancho
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Posts: 2113


Bonanza Arkansas
« Reply #5 on: March 26, 2016, 06:55:12 PM »
Hey goody,, sounds like your carbs are all gunked up. You can try running a can of B-12 (available at WalMart for about $3) but if the bike will not even run to ride it, you probable need clean the carbs and jets properly.
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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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