Yamaha SuperJet Waverunner 2019 Owner's Manual
![Yamaha SuperJet Waverunner 2019 manual cover](/images/cf99fb2ebc6e478f16839872/thumbs/thumb175x175.webp)
The recommended maintenance schedule includes checking the engine oil level before each ride, inspecting the hull and deck for damage, and flushing the engine with fresh water after every use in saltwater. Additionally, a comprehensive inspection by an authorized Yamaha service center is advised every 50 hours or annually.
To winterize your SuperJet, thoroughly clean and dry the unit, add fuel stabilizer to the gas tank, run the engine briefly to circulate the stabilizer, and fog the engine cylinders. Finally, remove the battery and store it in a cool, dry place.
If your Waverunner won't start, check the battery connections, ensure the battery is charged, inspect the fuel level, and verify that the emergency stop switch is properly attached. If the issue persists, consult a Yamaha dealer for further diagnostics.
To clean the hull, use a mild detergent and a soft brush or sponge. Avoid abrasive materials that can scratch the surface. Rinse thoroughly with fresh water and dry with a soft cloth to prevent water spots.
The Yamaha SuperJet Waverunner 2019 requires Yamalube 2W oil, which is a two-stroke engine oil specifically formulated for Yamaha watercraft. Always refer to the owner’s manual for specific recommendations.
First, check the cooling water intake for blockages and ensure the impeller is not damaged. Make sure the cooling system is free of debris. If the problem continues, it may require professional inspection.
Performance can be improved by regularly maintaining the engine, using high-quality fuel, and ensuring the hull is clean and free of marine growth. Upgrading the impeller or intake grate can also enhance performance.
Common issues include fuel system clogs, electrical system failures, and wear on the impeller. Regular inspection and maintenance can help prevent these problems. Always follow the manufacturer's guidelines for upkeep.
To flush the engine, attach a garden hose to the flush port, start the engine, and then turn on the water supply. Let the engine run for about five minutes. Turn off the water before shutting off the engine.
Safety checks include ensuring the throttle and steering controls are working correctly, checking the fuel level, securing the emergency stop switch, and wearing appropriate safety gear, including a life jacket.