Yamaha F225A Service Manual page 41

Item
Oil ring
Dimension B
Dimension T
End gap
Side clearance
Camshafts
Intake (A)
Exhaust (A)
Intake and
exhaust (B)
Camshaft journal diameter
Camshaft journal oil clearance
Camshaft runout limit
Valves
Valve clearance (cold)
Intake
Exhaust
Head diameter (A)
Intake
Exhaust
Face width (B)
Intake
Exhaust
Seat contact width (C)
Intake
Exhaust
Margin thickness (D)
Intake
Exhaust
Stem diameter
Intake
Exhaust
Guide inside diameter
Intake and exhaust
Stem-to-guide clearance
Intake
Exhaust
Stem runout limit
Valve springs
Free length
Minimum free length
Tilt limit
69J3D11
Maintenance specifications
Unit
F225AET
mm (in) 2.40–2.47 (0.0945–0.0972)
mm (in)
mm (in) 0.15–0.60 (0.0059–0.0236)
mm (in) 0.04–0.13 (0.0016–0.0051)
mm (in) 45.30–45.40 (1.7835–1.7874)
mm (in) 45.35–45.45 (1.7854–1.7894)
mm (in) 35.95–36.05 (1.4154–1.4193)
mm (in) 24.96–24.98 (0.9827–0.9834)
mm (in) 0.02–0.06 (0.0008–0.0023)
mm (in)
0.20 ± 0.03 (0.008 ± 0.001)
mm (in)
0.34 ± 0.03 (0.013 ± 0.001)
mm (in)
mm (in) 34.85–35.15 (1.3720–1.3839)
mm (in) 29.85–30.15 (1.1752–1.1870)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in) 5.477–5.492 (0.2156–0.2162)
mm (in) 5.464–5.479 (0.2151–0.2157)
mm (in) 5.51–5.52 (0.2169–0.2173)
mm (in) 0.01–0.02 (0.0004–0.0008)
mm (in) 0.01–0.02 (0.0004–0.0008)
mm (in)
mm (in)
mm (in)
mm (in)
Model
FL225AET
2.3–2.7 (0.091–0.106)
0.1 (0.004)
2.11 (0.0831)
2.43 (0.0957)
1.1–1.4 (0.043–0.055)
1.4–1.7 (0.055–0.067)
0.7 (0.028)
1.0 (0.039)
0.01 (0.0004)
44.20 (1.740)
42.60 (1.677)
1.5 (0.06)
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