Need to get carburetor cleaned? - Ex-500.com - The home of the Kawasaki EX500 / Ninja 500R
 
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post #1 of 7 (permalink) Old 8-13-2013, 2:05 AM Thread Starter
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Need to get carburetor cleaned?

I've had my bike a couple years now, don't drive it often, just started driving it to and from work (20min ride each way) every day. Couple weeks ago while I'm driving, my idle suddenly no longer wants to stay just above 1000 RPMs, but suddenly wants to stay stuck at 4000 RPMs. I happen to be on my way to the place where the bike was purchased to get my helmet fixed, and the guy comes out, messes with the idle adjuster (which I tell him isn't the issue...he cranks it way up instead of down btw which I didn't realize for several days...), then tells me I need to get the carb cleaned.

Since I got my idle adjuster back to where it should have been, it starts out fine when I haven't ridden the bike for a few hours, but after 15-20 min of riding it, is idling high again (although closer to 3000 RPMs the last week or so).

Anything I can check to eliminate as a possibility? Should I get the carb cleaned? Thanks in advance.

2009 Ninja 500r
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post #2 of 7 (permalink) Old 8-13-2013, 2:28 AM
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Re: Need to get carburetor cleaned?

Open 'em up, clean 'em out!

Should solve the issue.


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post #3 of 7 (permalink) Old 8-13-2013, 7:39 PM
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Re: Need to get carburetor cleaned?

Quote:
Originally Posted by ActionJackson
I've had my bike a couple years now, don't drive it often, just started driving it to and from work (20min ride each way) every day. Couple weeks ago while I'm driving, my idle suddenly no longer wants to stay just above 1000 RPMs, but suddenly wants to stay stuck at 4000 RPMs. I happen to be on my way to the place where the bike was purchased to get my helmet fixed, and the guy comes out, messes with the idle adjuster (which I tell him isn't the issue...he cranks it way up instead of down btw which I didn't realize for several days...), then tells me I need to get the carb cleaned.

Since I got my idle adjuster back to where it should have been, it starts out fine when I haven't ridden the bike for a few hours, but after 15-20 min of riding it, is idling high again (although closer to 3000 RPMs the last week or so).

Anything I can check to eliminate as a possibility? Should I get the carb cleaned? Thanks in advance.
cable or slide hanging up? vacuum leak?
plugged idle passages traditionally end up lowering the idle, this may be an issue other than carb cleaning, though it is intake related. will take some snooping around.


“Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba....” quote Hunter S Thompson

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post #4 of 7 (permalink) Old 8-14-2013, 1:04 AM Thread Starter
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Re: Need to get carburetor cleaned?

Awesome thanks! I'll give it a shot this weekend or next. I'm assuming that it won't do any damage to the engine (plz correct me if that's wrong)

2009 Ninja 500r
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post #5 of 7 (permalink) Old 8-14-2013, 10:56 AM
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Re: Need to get carburetor cleaned?

Send them to Ducatiman for cleaning.

Current: 2015 Ducati Scrambler Full Throttle ("Scrambled Eggs")
Previous: 2000 Ebony Ninja 500R ("Nina")(2009-2016)
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post #6 of 7 (permalink) Old 8-19-2013, 4:46 PM
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Re: Need to get carburetor cleaned?

First, I would check the cables for throttle. If it is getting "stuck" then I'm assuming it will rev up, but won't fall below 4k. I would reach in-between the two carbs from underneath them and push up on the plate with springs that opens the butterfly's in carb. They may be getting stuck open. I would try that before moving forward. If that doesn't lower the Rpms momentarily or until you give it has again, then proceed to checking for vacumn leaks which can be done by spraying lines with WD-40 or brake cleaner and see if it revs higher. I think it's your cable not retracting from rust or its bent or stretched.

There is a replacement for displacement.....
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post #7 of 7 (permalink) Old 8-19-2013, 4:58 PM
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Re: Need to get carburetor cleaned?

Here's a picture. Push it vertically up. It should choke out engine, I believe that may be the problem. Let us know.
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There is a replacement for displacement.....
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