Preheat oven to 325°F. Wrap the outside of a 9-inch springform pan with foil.
Mix graham crumbs, sugar, and melted butter. Press into bottom of pan. Bake 10 minutes. Cool.
Beat cream cheese until smooth. Add sugar and beat again.
Add sour cream, vanilla, flour, lemon juice, and salt. Mix until just combined.
Beat in eggs one at a time on low speed.
Pour filling over crust. Smooth top.
Place pan in large roasting pan. Fill roasting pan with hot water halfway up sides of springform.
Bake 1 hour 10 minutes, until edges are set but center is still slightly wobbly.
Turn off oven, crack door, let cheesecake rest 1 hour.
Chill at least 6 hours or overnight.