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Hi just joined and also have a Hyosung MS3 250.2008. Maybe you can help me. Put fuel in then rode home. Because of bad weather left for two weeks. Took out on an errand only 6 miles and started to misfire on the return journey. Have tried to syphon fuel to no avail. Put in a new plug but will not rev over 4000rpm engine seems like it needs more fuel?
Any thoughts please ??