First check all the basic stuff (which it sounds like you have): Fresh fuel, decent plug/decent spark, clean airbox/airfilter, decent battery output and as Simon mentioned: Good battery connections and no vacuum leaks on the Scottoiler plumbing (or anywhere else for that matter).

You say it is intermittent? It does sound a bit like the injector wiring abrasion issue? Could also be symptomatic of a dicky fuel pump too? However, the fact that "wet" is involved makes it sounds more likely a dodgy connection, frayed cable or exposed conductor.

I think it would be worth (despite the hassle) removing the fuel tank and checking the condition of the injector wiring - if it is that, it's an easy fix. Whilst it is off you can have a good scout around the rest of the loom and the connectors which are prone on XTs to furring up with corrosion, particularly ignition and fuel pump.

Some things you can check without removing the tank: The crank position sensor coupler is worth a look too, just behind the rear brake reservoir, as are the connections on the main relay under the seat. Also check the operation of the clutch switch and side stand switches/connectors because they can cause non-starting trouble. Check the lean angle tip-over switch and connectors too.

Before you do anything, can you check the following/answer these questions... (1) Does it only fail to start (when the fault is present), or does it cut out intermittently when it's running too? You say it's stalled in town, is that just when setting off or actually while riding? (2) When you turn the ignition on, can you hear the fuel pump priming? Does the pump prime when it is in it's non-starting state?

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