AlanD Posted February 5, 2019 Share Posted February 5, 2019 Hi All FYI in case others have similar problem which I solved ! Assume similar for std VFR800. My 2015 new model VFR800X Crossrunner wouldn't start after stopping at the shops after a longish ride. Starter motor turned over but no life. Engine light came on. Left it for a while and came back with tools etc. Checked fuses and the 10a FI2 fuses was blown. New fuse, rode home, stopped n started 20 times, all ok. As a check I pulled the fuse and got engine light on. Reading service manual you could read error codes if ignition on with side stand down - long flash first number shorter flashes second number eg 2 long 3 short = error code 23. I got 5 codes, 4 injector errors and O2 sensor. (Attached error codes from VFR800). Week later off for a ride, stopped for fuel. Exactly same thing, fuse blown, had a pocket full just in case ! Changed fuse rode home, stopped & started another 20 times all ok. Sort of wondered if it needs to 'rest' eg warm to cooler for a few minutes as in shops, fuel station so gave it 5 minutes and fuse blew again. Thinking it was a heat issue went for the O2 sensor intending to disconnect and measure resistance - in looking found the problem, one of the white wires (sensor heating) had rubbed through the insulation and was shorting on an 'edge' of the engine sump ! Not sure re heating maybe the wire sort of expanded/curved to contact engine as it got hot & cooled ! Sensor is in exhaust at rear of engine. Glad I found it so easily and hope this can help others. Alan, Marbella Link to comment Share on other sites More sharing options...
Member Contributer Grum Posted February 5, 2019 Member Contributer Share Posted February 5, 2019 Hi Alan. Thanks for sharing your detailed fuse blowing experience, glad you solved it. Might have a look at the cable run on my VFR800F to see if there is a potential for a similar issue. Cheers. Link to comment Share on other sites More sharing options...
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