1998-2006 Yamaha F20/F25 Outboards Service Manual, Page 49Get this manual
ISPECI 01 Item
MAINTENANCE SPECIFICATIONS
Model Unit F20A -
Worldwide USA, CANADA IGNITION CONTROL SYSTEM Oil pressure switch Power bobbin (VBVB) loaded cranking 1 1,500 rmin 3,500 rmin open circuit cranking,500 rmin 3,500 rmin Electrothermal valve coil resistance (VBVB) Engine temperature sensor resistance (41 F) 20 (68 F) F) 70 (158 Engine speed limiter Retard timing Ignition off Reset Overheat speed control STARTING SYSTEM Fuse STARTER MOTOR Type Rating Output Brush length limit Commutator undercut CHARGING SYSTEM Lighting coil output peak voltage (VV) loaded cranking1,500 rmin 3,500 rmin open circuit cranking 2 ,500 rmin 3,500 rmin