03 CR250 Carb

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10/26/2018 9:38 PM

Hi having problems with carb where bike stutters when mid throttle. I have stock jetting now, and was wondering if anyone has good jetting specs. Has PC pipe and Vforce reed block. Thanks for help!

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10/27/2018 8:23 AM

Try these PC jetting specs. After doing my own testing on an 03 CR2 I ended up close to their specs in 05.

https://www.procircuit.com/jettingspecs3.htm#2003

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Speak softly and carry a big stick.

10/28/2018 8:16 AM

Thanks man! Just curious, what aftermarket parts did you have on your cr motor/exhaust wise?

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10/28/2018 5:28 PM

Had a PC pipe & VF2 reed cage. The main key of the jetting specs is the S8 nozzle. Honda figured it out on the 05-07 models with the new tps mikuni's coming with an S7 nozzle from the factory.

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Speak softly and carry a big stick.