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Originally Posted by firepower354  Well... A stock XR100 is gonna run out of power on a steep hill. A downshift or gearing change will help. 105 might be a bit big.
That 30mm is NOT a good upgrade. |
Agreed...going to up the mm's on the carb you need to get a bigger bore intake and 30mm is a little to big for the 100.Check your plug and see how it's running.Plug should be white but not so lean as to melt the electrode.Try a 102 or a 102.5.