Malibu Boats Sportster Series User Manual

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Malibu Boats Sportster Series User Manual Manual pdf 34 page image

ExhaustThe exhaust system is used to remove engine exhaust fumes. To ensure that your boat’sexhaust system is working correctly, it is important that you inspect for exhaust leaks.The following information will allow you to check these systems. Keep in mind that youwill be checking engine while turned on, and that you will need to take safeguards againstgetting yourself or others caught in the moving parts. Use extreme caution whileperforming this task.• Turn engine off and disconnect the engine safety switch. Be sure the throttleshift control is neutral. The engine must be cool.• Open the engine and visually check the exhaust system from the engine to thetransom for obvious damage.• Re-install engine safety switch and start the engine with engine compartment open.Check hose connections between the exhaust manifolds and the muffler for leakage.• If leakage is apparent, tighten the hose clamps, being careful not to crimp the hose.See your Malibu dealer for parts and or service.VentilationThe ventilation is used to remove potentially hazardous accumulation of explosive vaporsfrom the bilge areas of your boat’s hull and engine compartment. Therefore, properventilation is essential to the safety of the boat and persons in or around the boat structure.Your boat is equipped with a ventilation system that will ensure complete removal of thesedangerous fumes. However, it is your responsibility as the operator of the boat to ensurethese systems are working efficiently. The boat’s primary source for expelling fumes fromthe boat is the blowers located in the bottom of the bilge and at the transom venting points.See Section 2, page 2-1.Your boat is also equipped with a natural air-intake that forces air through a venting systemon the deck of your boat, and channels air from the bilge to the transom vent.CoolingMost boats will be cooled with a continuous intake of lake water circulating it aroundengine components.Closed Cooling SystemIf your boat is equipped with an optional closed cooling system, you will need to maintaincorrect fluid levels.• Open engine compartment and remove reservoir cap.• Ensure coolant is to the top of the reservoir filler neck.• Use Sierra Anti-Freeze2-16