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View Full Version : 350X carb install on a 250SX



sweetip2000
05-17-2015, 12:46 AM
Anyone know what size jets to use in the 350X carb ? It will be installed on a 250SX motor.
I will be installing a FMF powercore 4 complete exhaust.

Jmoozy27
05-17-2015, 11:46 PM
Stock is 130 if you remove the airbox lid I would start with a 140 and see where the gets you. Maybe buy a few and experiment. On my BR w/ full cobra and holes drilled in the airbox lid a 135 was right on.