Yamaha VX Cruiser HO Waverunner 2020 Owner's Manual
![Yamaha VX Cruiser HO Waverunner 2020 manual cover](/images/9832f59bca153fce503b5d9b/thumbs/thumb175x175.webp)
To break in your Yamaha VX Cruiser HO, start by running the engine at varying speeds below 5000 RPM for the first 1.5 hours, avoiding full throttle. Gradually increase to full throttle for brief periods over the next 30 minutes. Follow the owner's manual for detailed instructions.
Regular maintenance includes checking and changing the engine oil and filter, inspecting the spark plugs, flushing the cooling system, and inspecting the hull and impeller. Refer to the maintenance schedule in the owner's manual for specific intervals.
If the Waverunner doesn't start, check the battery connections and charge level, ensure the safety lanyard is properly attached, and inspect the starter motor and fuse. Consult the service manual if the issue persists.
Attach a garden hose to the flush port, start the engine, then turn on the water. Run the engine at idle for about 5-10 minutes. Turn off the water before stopping the engine to prevent water from entering the exhaust system.
Remove the engine cover to access the spark plugs. Use a spark plug socket to unscrew the old plugs, then install new ones, ensuring they are properly gapped. Tighten them to the specified torque in the manual.
If overheating occurs, check for blockages in the cooling intake, ensure the cooling hoses are not kinked, and verify the impeller is not damaged. Allow the engine to cool before further inspection.
To winterize, stabilize the fuel, flush the cooling system with antifreeze, lubricate moving parts, remove the battery and store it in a cool, dry place, and cover the Waverunner with a breathable cover.
Yes, synthetic oil can be used, but it should meet the specifications outlined in the owner's manual. It's important to use oil that is suited for marine engines to ensure optimal performance.
Rinse the Waverunner with fresh water after each use, especially in saltwater. Apply a corrosion inhibitor spray on metal parts, and ensure the hull is dry before storage.
Inspect the impeller and wear ring for damage or debris, check the fuel system for blockages, and ensure the engine is receiving adequate air intake. Regular engine maintenance can also prevent performance issues.