Yamaha F30A Owner's Manual

Also see for F30A: Service manual Owner's manual Owner's manual Owner's manual Owner's manual

Contents

4-29E000705qweEMU00408CHECKING BOLTS AND NUTS1) Check that bolts securing the cylinderhead and engine and the nut securingthe flywheel are tightened with theirspecified tightening torque.2) Check the tightening torque of otherbolts and nuts.EMU01172CLEANING COOLING-WATERPASSAGESFlushing device equipped modelPerform this procedure right after opera-tion for the most thorough flushing.1) After shutting off the engine, unscrewthe garden-hose connector 2 fromthe fitting 1 on the bottom cowling.2) Screw the garden-hose connector 2onto a garden hose 3 which is con-nected to a fresh-water supply.3) With the engine off, turn on the watertap and let the water flush throughthe cooling passages for about 15minutes. Turn off the water and dis-connect the garden hose 3.4) When flushing is complete, reinstallthe garden-hose connector 2 on thefitting 1 on the bottom cowling.Tighten the connector securely.cCDo not leave the garden-hose connectorloose on the bottom cowling fitting or letthe hose hang free during normal opera-tion. Water will leak out of the connectorinstead of cooling the engine, which cancause serious overheating. Be sure theconnector is tightened securely on the fit-ting after flushing the engine.