I have an SXR with dual I-body 40mm's, stock motor. Jets: 70/135
I have a Limited SJ with dual I-body 40mm's, Moto T reeds, Riva ported cylinder, head, dry pipe, TL. Jets: 75/155
When riding each for about the same amount of time, the SXR consumes about 30% more fuel than the SJ. Repeatedly...