2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 22Get this manual
Maintenance specification Item Charging system Fuse Stator coil output peak voltage (W W) at cranking (unloaded) at 1,500 rmin (unloaded) at 3,500 rmin (unloaded) Stator coil resistance() (W W) at 20 (68 F) Rectifier Regulator output peak voltage (RGround) at 1,500 rmin (unloaded) at 3,500 rmin (unloaded) Power trim and tilt system Trim sensor Setting resistance (P B) Resistance (P B) Fluid type Brushes Standard length Wear limit Commutator Standard diameter Wear limit Mica Standard undercut Wear limit ()