Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 278Get this manual
TRIM RAM ASSEMBLIES AND FREE PISTON (200H, 225GV200, V225)
INSPECTING THE TRIM RAMS
Inspect: Trim ram Excessive scratches ReplaceBendsexcessive corrosion ReplaceRust Polish(with 400600 grit sandpaper)
INSPECTING THE FREE PISTON