2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 37Get this manual
ELECTRICAL SPECIFICATIONS EBS01004
ELECTRICAL SPECIFICATIONS
Item Voltage Ignition system Ignition timing (B.T.D.C Advancer type C.D.IC.D.Iunit modelmanufacturer Pickup coil resistancecolor Ignition coil Modelmanufacturer Minimum ignition spark gap Primary winding resistance Secondary winding resistance Charging system Type Modelmanufacturer Nominal output Lighting coil resistancecolor Charging coil resistancecolor Rectifierregulator Type Modelmanufacturer No load regulated voltage Rectifier capacity Electric starter system Type Starter motor Modelmanufacturer Output Armature coil resistance Brush overall length Spring force Commutator diameter Mica undercut 12 7.51,800 rmin Digital type 5TGMORIC 248372 at 20 (68 F) redwhite J0474DENSO mm (0.24 in) 0.080.10 at 20 (68 F) 4.566.84 at 20 (68 F) A.Cmagneto F5TGMORIC 14 120 at 5,000 rmin 0.2240.336 at 20 (68 F) yellowground 0.2880.432 at 20 (68 F) whiteground Semi conductor-short circuit SH712ABSHINDENGEN 14.114.9 13.014.0 8.0 12.0 Constant mesh type SM-14MITSUBA 0.5 kW 0.0040.005 at 20 (68 F) 10 mm (0.39 in) 7.169.52 (730971 gf, 25.7734.27 oz) 28 mm (1.10 in) 0.7 mm (0.03 in) Standard Limit -