2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 41Get this manual
Maintenance specifications Item Oil ring Dimension Dimension 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 Unit mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) Model F225TR LF225TR
2.402.47 (0.09450.0972) 2.32.7 (0.0910.106) 0.150.60 (0.00590.0236) 0.040.13 (0.00160.0051) 45.3045.40 (1.78351.7874) 45.3545.45 (1.78541.7894) 35.9536.05 (1.41541.4193) 24.9624.98 (0.98270.9834) 0.020.06 (0.00080.0023) 0.1 (0.004)