Problem I've had with parting it out, is that you may or may not sell all the parts. You may have some stuff left over for the "parts" bin. This may or may not be bad for you.
The other issue is that instead of dealing with one buyer you're now dealing with 15 buyers. Some good, some bad, some may be deadbeat bidders. Plus, that's 15 trips to the delivery place (I use Fed Ex myself) and 15 checks you have to cash.
If it where me, I'd list it complete, you may not make as much $, but when you consider what your time is worth, you'll be better off with less hassle and boom it's done and outta here!
L8R
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"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger