Hello all, new to the list. I'm looking to replace the DG muffler on my 2009 KLX250 S/F (don't care for the noise). Does anyone have a used OEM muffler they'd like to sell? Also, the bike has a #127 main jet and #42 pilot jet, these don't seem like stock jets as the spark plug shows a rich condition (mileage in the high 50s to mid 60s). I just bought this bike about two weeks ago.Thanks in advance.

 

I have one off a 2012 it’s not perfect but looks fine

 

What are you asking for it? Thanks, Will

 

Where are you located so I can check into shipping?

 

You may need to look up conversions for jetting if it isn't Keihin (brand used in OEM). See if you can find the conversion chart for Dynojet to Keihin. The 42 may be a bit rich depending on your elevation where you ride. My brother and I are running 40 pilots I believe. We're around 1000 ft. But you need to identify the jet brand. Main sounds close to what we are running. I think my brother is running a 128 and I'm running a 125 with a Dial-A-Jet fuel adder (jet lean because adder compensates).

 

I am in Telford, PA, 18969 (Southeast PA, about 30 miles north of Philadelphia. Thanks.

 

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Thanks for your quick response. The main jet is marked "RD", along with the inscribed 127.5. The needle has markings written as "NNLA". I was able to locate the Dynojet conversion chart (KLXster's posting?) My home elevation is a little over 400' above sea level. In addition to the plug coloration, I felt like she was running rich because of noticeable fuel dilution in the crankcase; you could smell the gas in the oil during the oil change (could have been caused by excessive idling by previous owner, and he only rode it about 600 miles in a year's time). Also, the fuel mileage seems low for this small a motor, between high 50s and mid 60s, depending on cruising rpm. Please feel free to correct me if I am posting in an incorrect manner or place, just trying to resolve this fairly quickly

 

80 shipped would work for me since it’s just laying around

 

Great! How do I get payment to you? As far as usability, any idea how long it was on your bike and when it was last used? Any chance of getting a picture?

 

Keihin parts have a stylized K stamping on them, like this:


Not sure how the DynoJet are marked.