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Project XR250:These jets were in it

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In the process of stripping the carb for a clean i notice it has the following jets in it:-

Pilot 128

Main 42

Needle J75

Needle on the middle band of 5

Do these seem like right settings for an XR250 with snorkel removed, FMF exhaust running at 100m above sea level or whilst its apart should I change something ?

 

 

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You got the pilot and main jets mixed up. For your setup, those sound a little lean. Seems to me like they should be closer to around a 135 main and 45 pilot. Lets see what others say.

When's the last time you looked at the spark plug?

Edited by Trailryder42

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