Originally Posted by Zouf

Ok, here goes:
1. You have a quill stem.
a) it's not already at the max height: Raise it.
b) it's already at the max height: replace it by a longer quill stem (Google Nitto quill stems)
2. You don't have a quill stem, so you have some sort of a threadless headset.
a) there are spacers above the stem: Move them below the stem.
b) there are no spacers above the stem: Replace the stem by one with higher and/or adjustable rise.