Yamaha F100B F100C Outboards Factory Service Manual, Page 25Get this manual
Technical tips Lubrication system
Pressure fed Splash Return Crankcase Sleeve Intake and exhaust valves Piston Camshaft Cylinder head
Crankshaft pin
Camshaft journal
Crankshaft journal
Return route
Low oil pressure warning Oil filter Oil pressure regulation Filtration of foreign objects