1983 Yamaha 30EN Outboards Service Manual, Page 30Get this manual
DESCRIPTION The fuel system comprises the fuel tank, carburetor, and fuel line connecting the tank to the carburetorThe fuel system can be divided largely into two sections, that is, the section from the fuel tank to the bottom cowling joint, and the other section from the bottom cowling joint to the carburetorThe fuel system plays vitally important role which greatly affects engine performance and therefore, special care should be exercised in servicing the engine