My round trip is 18kms, I had the same issue moving a R1200gs, so bought a brand new SYM JET 200 in September on a whim.
Can get to 105kph, does 4.5l/100km, I've done 1600kms so far.
No real complaints, no real excitement. Does the job. Its a scooter.
With respect, a 110kgs load on the SYM...