Completed this the other day without any problems. I have found changing through the gears (1 to 6) smoother and quieter. The initial neutral to first is always a dandy regardless. Just Suzuki.
I had previously stripped clean the clutch and rod and replaced fluids.
Also running Syn-X 3000 oil which is semi synthetic
which really helps.Overall I can feel the difference and hoping my fluid stays a little clearer.

Anyway, the dust seal can't hurt it.