Looking for carb settings for a 2002 honda cr250 at an elevation of sea level to 2000 ft. I have the needle 2 spots up from the bottom, average temp is between 50 and 75. I installed a 370 main jet and moved the needle down because with a 380 main it was still too rich with the needle from the top clip position. is a 370 main too lean? do I need to change the pilot jet if I changed the main?
SOURCE: I'm 5400 ft and running a 490 main jet. the plug
try a cooler range plug with the same jets and see w
SOURCE: main jet and needle setting for 2003 honda cr250 at 5000 ft elev.
this should get you close, will still have to fine tune due to exacting conditions.....humidity, temperature, pipe, silencer and reeds....however try this:
Main 360
Pilot 20
Needle H1-70
Needle Top Clip
Air Screw 2 Out
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sea level adjustements are good to 4,000 feet, after that the carb would be calibrated for high altitude, that is jets sizes and mixture adjustments
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