Fast Bikes - - USED BIKE GUIDE -

Al­ways be very wary of an ‘Fi’ warn­ing light on the GSX- R’s dash as the step­per mo­tor (STVA) on the sec­ondary throt­tles can fail, caus­ing the warn­ing light to il­lu­mi­nate and a C28 fault code. It is a sealed unit and can’t be eas­ily re­built, so it leads to a bill of around £800 for a new one or tak­ing a chance on a used unit for close to £300. If it’s not the step­per mo­tor caus­ing the warn­ing light, then the Throt­tle Po­si­tion Sen­sor ( TPS) is bro­ken, is about £150 for the unit (cheaper pat­tern parts are avail­able) and then it needs to be fit­ted and set-up.

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