Mercury Optimax 200/225 from year 2000 Service Manual., Page 123Get this manual
Quality of the image is intentionally reduced!
IGNITION
Model Year 2000 Throttle Position Sensor Specifications
Idle Wide Open Throttle 4.0 4.7 VDC 0.4 1.3 VDC
Model Year 2001 and Newer Throttle Position Sensor Spec