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Honda MX & Off-Road Dirt Bikes
2003 cr250 jd jet kit
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[QUOTE="Sicc1, post: 1186772, member: 76907"] Rerfurt as far as the stock jetting goes ill tell you what i know.The top end was way to rich on mine i leaned it down to around 390 or 400 main.But the bottom and mid range was pinging at low elevation so i tried a 32.5 pilot and it was way to rich.So i went back to 30 pilot went back a haf turn on my air screw(1 turn out) and that cleaned it up just off idle.Then for 1/4 to 1/2 i had to go down on my needle 1 or 2 spots depending on where im riding to get it to stop pinging.Thats with the stock needle.I ran it in the 4 spot from the top in the dunes at sea level.3rd spot from the top for mountains around 2k elevation.It helped but still didnt run perfectly clean it allways seemed to rich or to lean. Keep in mind all this tuning was done sea level to 2000 feet.But i just got the JD jet kit to help clean it up.The needles the JD kit come with have 3 tapers so they make for more tunability and im way happier with the JD kit. [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
2003 cr250 jd jet kit
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