B737-700
Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 234; Flight Crew Type 13000
Distraction
Deviation - Track / Heading All Types; Deviation / Discrepancy - Procedural Clearance; Inflight Event / Encounter Wake Vortex Encounter
Flight Crew Returned To Clearance
Environment - Non Weather Related; Human Factors
We were cleared for takeoff behind a 767 and on the roll I felt some residual wake buffeting. It distracted me into preparing for a wake encounter airborne. This distraction took my attention away from following the SID vectors; heading 190 and then 220 out of 2.3 DME. I purposely started the first turn slowly behind the 767 and didn't initiate the proper procedure in due course.
B737-700 Captain reported deviating from ATC vectors on departure from EWR after being distracted by wake turbulence.