Hey thanks for replying, no power commander, bike runs well, checked fuel pump relay seems ok but waiting for replacement. All connectors tight and clean with no corrosion. Will let you know how I get on.
Thank you for the post. My tank clean fuel pump filters spotless too so with error code C41 decided to replace pump but with new o rings and filters cheaper to buy new old stock from dealer. My bike run ok but error code still present , disconnected battery for several hours but code C41...
Hey there I've just changed external fuel pump and assembly with a brand new unit on my 1999 hayabusa but error code C41 still showing do I still have a problem. Any suggestions appreciated. Bob
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