Yamaha F80A, Service Manual

Page: 24 / 79

– 6 –
SPEC
E
MAINTENANCE SPECIFICATIONS
CONNECTING RODS
Small-end inside diameter mm (in) 17.965 ~ 17.985 (0.7073 ~ 0.7081)
Big-end inside diameter mm (in) 47.025 ~ 47.035 (1.8514 ~ 1.8518)
Big-end oil clearance mm (in) 0.023 ~ 0.035 (0.0009 ~ 0.0014)
Big-end bearing thickness
Yellow mm (in) 1.499 ~ 1.506 (0.0590 ~ 0.0593)
Green mm (in) 1.506 ~ 1.513 (0.0593 ~ 0.0596)
Blue mm (in) 1.513 ~ 1.520 (0.0596 ~ 0.0598)
Red mm (in) 1.520 ~ 1.527 (0.0598 ~ 0.0601)
CRANKSHAFT
Crankshaft journal
Diameter mm (in) 47.985 ~ 48.000 (1.8892 ~ 1.8898)
Minimum diameter mm (in) 47.972 (1.8887)
Crankshaft pin
Diameter mm (in) 43.982 ~ 44.000 (1.7316 ~ 1.7323)
Minimum diameter mm (in) 43.971 (1.7311)
Runout limit mm (in) 0.03 (0.001)
CRANKCASE
Crankcase main journal inside
diameter mm (in) 54.023 ~ 54.042 (2.1269 ~ 2.1276)
Crankshaft journal oil clearance mm (in) 0.024 ~ 0.044 (0.0009 ~ 0.0017)
Upper crankcase main journal
bearing thickness
Green mm (in) 2.992 ~ 2.999 (0.1178 ~ 0.1181)
Blue mm (in) 2.999 ~ 3.006 (0.1181 ~ 0.1183)
Red mm (in) 3.006 ~ 3.013 (0.1183 ~ 0.1186)
Lower crankcase main journal
bearing thickness
Yellow mm (in) 3.010 ~ 3.017 (0.1185 ~ 0.1188)
Green mm (in) 3.017 ~ 3.024 (0.1188 ~ 0.1191)
Blue mm (in) 3.024 ~ 3.031 (0.1191 ~ 0.1193)
Red mm (in) 3.031 ~ 3.038 (0.1193 ~ 0.1196)
No. 3 main journal bearing
thickness
Green mm (in) 2.992 ~ 2.999 (0.1178 ~ 0.1181)
Blue mm (in) 2.999 ~ 3.006 (0.1181 ~ 0.1183)
Red mm (in) 3.006 ~ 3.013 (0.1183 ~ 0.1186)
THERMOSTAT
Valve opening temperature ˚C (˚F) 60 (140)
Full-open temperature ˚C (˚F) 70 (158)
Minimum valve lift mm (in) 3.0 (0.12)
Item Unit
Model
F80 F100