Tsi...tfi???

drzdemon

New member
Hey GasGasers,

The dealership I purchased my bike from said that they installed an aftermarket TSI or is it TFI to correct the jerking problems I have at the top end and the top end of each gear. What exactly is a TSI / TFI and just curious, how much do they cost? I haven't picked the bike up yet, as I am still out of town. Thanks guys.
 
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