Got gearbox apart but nothing obvious jumps out at me. I don't have that much experience with Triumph gearboxes so maybe someone here can spot the problem
Some wear on both selector forks. Can feel the wear ridges with a fingernail:
Camplate appears pretty good except one small divot out of it. This is where selector fork sits when 3rd gear is selected so could be candidate. However, amount of play introduced by this little indent is pretty minimal:
Dogs between gears show some wear but I am not sure if this wear is signficant:
So I am still not sure what might be causing my problem. Any thoughts? Thanks.