fuel additives

[keith]

hi ,just a quick note to get some feedback,on my older bikes i quite often added shots of red ex to my fuel.just wondering if this would do anygood / harm if i added it occasionaly to my gtr .it may help keep injection system / valves cleaner. or so it say's. any one got any suggestions, cheers  keith  ps  just been out for an hour ,i am happy with the new stainless/carbon can,getting used to the sound now , i think it's lush!!!!!

[Kwikasfuki]

I just top p with Shell v-power or BP Ultimate whihc is supposed to give the same benefit. I probably cycle every 3rd or 4th tank with one of those. Otherwise I can't see what harm an additive would do.