2009 Speed Triple Spluttering Under Acceleration

My 2009 Speed Triple 1050 (SE) seems to have lost its appetite for heavy acceleration. In fact, it splutters whenever under heavy acceleration, particularly at lower RPM.

Occasional backfiring has been noticed in the past under similar circumstances.

My guesses would be Fuel filter, Plugs or a sensor somewhere.

Suggestions ?

 

Thanks for your information, Eldon. This gives me something else to look into to solve this issue. It may well just arm me with options to talk to my mechanic with given that I am heading off to Cairns for a short holiday, before riding out to Miles from Brisbane later this month and may not find enough time to sort it myself. Thanks for your input !