One way or another you need an auxiliary straight edge, basically. I don't mind if there's a gap as long as the saw can slide over it nicely, but in my case it couldn't because the bump was wider on one track.
Just thought I'd drop by to say that Makita's quality control is piss-poor, as is their customer support.
Firstly, there seem to be two variants of their tracks. I bougth one 39" track and two 59" tracks from the same authorized retailer. When I joined the 39" and either of the two 59" tracks...