Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 46Get this manual
SPEC Item
MAINTENANCE SPECIFICATIONS
Unit Model F4AF4 2.4 2.5 (0.09 0.10) 0.20.7 (0.0080.028) 0.9 (0.04) 13.00613.020 (0.51200.5126) 0.0160.046 (0.00060.0018) 64.4064.50 (2.5352.539) 0.200.60 (0.0080.024) 0.03 (0.0012) S60C 5862 (136.4143.6) 70 (158) (0.12)
Oil ring Dimensions (BxT) End gap (installed) Wear limit CONNECTING ROD Small end inside diameter Big end oil clearance CRANKSHAFT Crankshaft width Crankshaft big end side clearance Runout Limit THERMOSTAT ID mark Valve opening temperature Full-open temperature Valve lift FUEL PUMP Discharge Pressure Plunger stroke CARBURETOR ID mark Main jet Pilot jet Pilot screw Float height Idle speed Trolling speed