SPEC
Specifications Item
Stem diameter Intake Exhaust Guide inside diameter Intake and exhaust Stem-to-guide clearance Intake and exhaust Stem runout limit Intake Exhaust Valve springs Free length Tilt limit Connecting rods Small end inside diameter Big end inside diameter Connecting rod big end side clearance Crankpin oil clearance Big end bearing thickness Yellow Red Pink Green Crankshaft Crankshaft journal diameter Crankpin diameter Crankpin width Runout limit Crankcase Crankshaft main journal oil clearance Crankcase main journal bearing thickness Yellow Red Pink Green
2-7
Unit
F50FED
Model F50FEHT F50FET
FT50GET
mm (in) mm (in)
5.475–5.490 (0.2156–0.2161) 5.460–5.475 (0.2150–0.2156)
mm (in)
5.500–5.512 (0.2165–0.2170)
mm (in)
0.025–0.052 (0.0010–0.0020)
mm (in) mm (in)
0.05 (0.0020) 0.03 (0.0012)
mm (in) mm (in)
39.85 (1.5689) 1.7 (0.07)
mm (in) mm (in) mm (in)
15.985–15.998 (0.6293–0.6298) 36.000–36.024 (1.4173–1.4183) 0.05–0.22 (0.0020–0.0087)
mm (in)
0.016–0.040 (0.0006–0.0016)
mm (in) mm (in) mm (in) mm (in)
1.500–1.504 (0.0591–0.0592) 1.496–1.500 (0.0589–0.0591) 1.492–1.496 (0.0587–0.0589) 1.488–1.492 (0.0586–0.0587)
mm (in) mm (in) mm (in) mm (in)
42.984–43.000 (1.6923–1.6929) 32.984–33.000 (1.2986–1.2992) 21.000–21.070 (0.8268–0.8295) 0.03 (0.0012)
mm (in)
0.012–0.036 (0.0005–0.0014)
mm (in) mm (in) mm (in) mm (in)
1.502–1.506 (0.0591–0.0592) 1.498–1.502 (0.0590–0.0591) 1.494–1.498 (0.0588–0.0590) 1.490–1.494 (0.0587–0.0588)
6C13G11