Q What’s up with my GSX-R’S fuel in­jec­tion sys­tem?

Motorcycle News (UK) - - Garage -

I’ve taken de­liv­ery of a GSX-R1000K1 which seems pretty tidy but I’ve no­ticed that the FI (fuel in­jec­tion) warn­ing light some­times stays on. If I stop the en­gine with the kill switch and then start it again the light goes off and if the light isn’t on when I start up, it doesn’t ap­pear while I am rid­ing. Ge­off Hawk­sley, Cam­bridge

An­swered by Gareth Hall, Redcar Suzuki My money is on a stick­ing ex­haust valve. There’s a but­ter­fly valve in the link pipe for noise regs that gets a ‘check-sweep’ when you switch on. If the bat­tery is a bit tired or the ca­bles are sticky that will trig­ger the FI light, but then it gets an­other bite at the cherry when you flick the kill switch and that can be enough to clear it.

There’s a white four-pin plug un­der the seat that you can short to get the fault code on the dash although it will only show this while the fault is ‘ac­tive’. Many K1s will have had the valve and warn­ing light wire dis­con­nected by now. The one you need is the black wire with the brown tracer on the bot­tom row of the 34-pin con­nec­tor for the ECU un­der the rider’s seat.

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