XT600 tenere 1986
 

I am after a bit of help i would like to put a smaller tank on my bike as i dont like the petrol pipe being above the exhaust also i think its to bulky, so do i change the air box and carb as well,I was thinking a later one or early one not to fussed, any help i would be most greatful, one more thing is my frame same as the 85/87 many thanks geno