1988-2006 Yamaha ATV YFS200 Blaster service manual PDF download file., Page 24Get this manual
MAINTENANCE SPECIFICATIONS Model Reed Valve: Thickness -XValve Stopper HeightValve Bending LimitLubrication System: Autolube Pump Stroke Output 200 Strokes
Y FS200U
0.35 0.49 mm (0.014 0.019 in) 8.3 8.7 mm (0.33 0.34 in)0.5 mm (0.02 in)