Running on 1 cylinder - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 6 (permalink) Old 05-07-2019, 07:57 PM Thread Starter
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Running on 1 cylinder

Hey guys. First actual post here. I just got my bike about 2 months ago. Dealership sold it as is. It was my first bike. It runs. I can ride it. But it has some probably pretty severe issues. Mainly that it doesn’t have the power it should which could be pretty messy as a safety issue. I’m no mechanic but I know that the only thing that has temporarily fixed it is pulling the plugs off just a hair. But I can’t ride that way because the bike rattles them all the way off. Is it possible that it just needs new spark plugs? I literally haven’t even checked them, I don’t have the tools. If you think otherwise what would you suggest checking. I am halfway competent as a machinist I use tools, but I only have a consumers understanding of engines, let alone bikes engines if any different at all.

Thanks for any help, and again thanks for having me on the forum
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post #2 of 6 (permalink) Old 05-07-2019, 08:41 PM
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See if they have the correct gap. If they need changing shell out a few more bucks and get Iridium units, P/N: DPR7EIX-9.

The dealership sold as is, huh? I'd also get a can of SeaFoam (damn near all auto parts store has it), and put some in the tank as per directions on the can. This stuff will go a long way towards cleaning up any gunk in the fuel system.

So what is it doing?: Sputtering, flat at a given rpm, cold front pipe, doesn't want to go above a certain rpm?

Here are but a few of the parts store where you can get stuff:

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Engine guard with highway pegs
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Iridium plugs: DPR7EIX-9
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post #3 of 6 (permalink) Old 05-08-2019, 04:45 AM Thread Starter
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I should have mentioned it isn’t always happening either. Like sometimes I start it up and everything is fine. And other times it just runs really rough. Being my first bike I have a hard time getting moving on the road as is. So going from a stop to moving is pretty hard to keep the bike on with 1 cylinder. It sputters mostly.
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post #4 of 6 (permalink) Old 05-08-2019, 07:05 AM
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Sorry I have a hard time believing a dealership would sell a bike that they haven't verified as a "good" bike.
What kind of dealership is it?

I'd return it - to many headaches ahead for, as you put it, someone that isnt mechanically ready for these headaches.

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post #5 of 6 (permalink) Old 05-08-2019, 08:08 AM Thread Starter
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I knew the bike had issues. I still don’t think it’s major. And besides you can’t just return a bike that is sold as is. They literally never even got it checked when they bought it.
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post #6 of 6 (permalink) Old 05-16-2019, 10:22 PM
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If it’s running good one day and rough another day it could be something simple. I would change the plugs, and clean the carb/tune up If the bike still is riding rough then I would check your spark plug coils they might be starting to fail.
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