1998-2006 Yamaha F20/F25 Outboards Service Manual, Page 45Get this manual
ISPECI 01 Item
MAINTENANCE SPECIFICATIONS
Model Unit
I Worldwide USA, CANADA
F25A F25X
CONNECTING ROD(S) Small end inside diameter Big end oil clearance Connecting rod inside diameter CRANKSHAFT Crankshaft outside diameter Main journal clearance Crankcase markbearing color Crankshaft big end side clearance Crankshaft journal clearance Runout limit BALANCER Balancer piston diameter Crankcase balancer cylinder inside diameter Connecting rod inside diameter THERMOSTAT Valve opening temperature Full-open temperature Valve lift FUEL PUMP Discharge
Pressure Diaphragm stroke Plunger stroke OIL PUMP Type Outer rotor-to-housing clearance Outer rotor-to-inner rotor clearance Rotor-to-cover clearance clearance Relief valve operating pressure CARBURETOR ID mark Main jet Main air jet Pilot jet Pilot air jet Piot outlet jet Float height Idle speed Trolling speed