Don't use Harley Synthetic, it's garbage! Use Amsoil or Royal Purple Brands. My 09 DX drank the Harley oil like it was water. I would burn up a 1 1/2 quarts per 1000 miles. It didn't smoke or leave any trace of where it was going. I use Amsoil the last 2 changes and have not lost a drop. There are many threads on this situation on this forum. Do your research! Get a oil filter wrench from drag specialties to remove your filter easier.
CAUTION! Do not lubricate your muffler bearings with Tiki Oil. I know, I made this mistake thinking that what's good for the crankcase was good for the muffler bearings. It's way too flammable and you end up shooting flames out the rear.