Running Rich? - Yamaha R6 Forum: YZF-R6 Forums
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post #1 of 3 (permalink) Old 05-20-2019, 02:11 AM Thread Starter
My R6 eats me.
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Join Date: Apr 2019
Location: Swindon, Wiltshire
Posts: 21
Running Rich?

Hello, not sure if my bikes running on the rich side or not? When riding and shutting the throttle off sort of mid/high rev range it pops and bangs a bit? its a 2000 Carb model. Also sometimes when pulling away in 1st about half throttle it seems sluggish then suddenly goes!?

Any ideas on what it could be? Im not sue when the carbs where last cleaned and checked over..
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post #2 of 3 (permalink) Old 05-21-2019, 11:36 AM
My R6 eats me.
Join Date: May 2019
Posts: 5
Re: Running Rich?

It's probably not burning all of the fuel in the combustion chamber. Could be a lot of things. I would take a look at the carburetor before anything
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post #3 of 3 (permalink) Old 05-24-2019, 10:27 AM
I eat my R6
Join Date: Dec 2014
Location: Southwest Ohio
Posts: 1,418
Bike: 2008 Yamaha YZF-R6s Stock
Re: Running Rich?

Pull the spark plugs and compare to a chart.

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Provided it's been running that way for awhile, plugs covered in carbon are usually an indication that it's running rich; not burning as much of the in-cylinder fuel as it should be.
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