2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 278Get this manual
Electrical systems
Checking the engine temperature sensor
1Place the engine temperature sensor in container of water and slowly heat the water
Test harness (3 pins): YB-06793
Throttle position sensor input voltage: Orange (O) Black (B) 5V Throttle position sensor output voltage: Pink (P) Black (B) 695705 mV
S69J8240