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Suzuki Rm125 03 Jetting

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I have a 2003 Suzuki Rm 125

I ride at about 20m above sea level. Temperature ranges from 25 degrees celcius in winter through to 40 degrees celcius in Summer. I doesn't rain very often here and I don't like to ride in rain therefore no humidty exteremes. I normally ride motocross track or trails.

I don't have any modifications.

I have stock main jet at 460 but I havn't had time to check pilot as I have been told is only for idling.

I just want prefect jetting for the bike.

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what does your plug look like colorwise, and are you having any poor running issues?

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It feels like it run's right but I switched it from a 540 main to a 460 main so any jet would've felt like a difference. I checked the plug and noticed it was oily and a carbon build up.

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put in a fresh plug, and do some throttle chops and recheck it, throttle chop= run up through the gears at mostlly wide open throttle, then in high gear, kill the engine and roll to a stop, pull the plug and see what color it is.

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