Yes fitting a 19L tank is a mod that's been done (inc the VFR tank) Even a 25L tank has been fitted.. Have a search (and good luck finding a cheap 19L tank and gubbins).
alanfjones1411 wrote:tried to do a lap of the m25 yesterday on a full tank,got about three quarters round before light started flashing.Does any body know if the later 19 litre tank will fit a 98 model.I have been told that a vfr 800 tank with 21 litre will fit with minimum mods.Is this right?