CVT transmission problem?

I have a 2011 Honda PCX scooter that is technically brand new. (It had 1 mile on it when I bought it) It was purchased at a dealership and I've had it for a month so far. At around 3 or 400 miles, I noticed that there was this kind of grinding noise that seemed to be coming from my transmission. I don't know if it's the belt doing this or if it's something else. Or could it be normal due to it being brand new and maybe it's settling? I'm taking it to get serviced next week but, I figure I would ask around here to see if anyone might know why my scooter is making this noise. I should also mention that the scooter sat for 3 years in the showroom and was probably never driven.

Belts dry out and without regular use tend to set into shape to it could be alternately tight and loose as it rotates, but if this only started after 3-400 miles it is unlikely to be the problem.

Can't be sure without hearing the noise.
Could be the clutch weights grinding.
The clutch weights # 5 are like brake shoes (as in drum brakes).
http://www.partsfish.com/oemparts/a/hon/506c0448f870023420a2c7da/driven-face
When the engine RPM increase, cylindrical force throw the weights out and the padding rubs against the clutch outer # 1
The clutch outer acts like the drum, as in drum brakes.

If the noise goes away as the bike starts moving,
that could be the problem.
Not serious.
A squealing noise would be the belt slipping.

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