I've got a 05 and the fuelling isn't really that bad, I've done the Kev mod, etc and it really does help, its still there a little, but you learn to ride around it, its what gives the bike character, I bought another bike six weeks ago, I've still not sold the xtx, just can't force myself too
Give it a good test ride, I'm sure you love it as much as we all do, have you seen how many the captains had

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you win some, lose some, crash some
K+N filter, snorkel removed, homemade kev mod (with his blessing), co raised,
Pipeworx cans, r1 led back light, under tray removed, small indicators, handguards, cnc short levers,