Yamaha VX, VX Sport, VX Deluxe, VX Cruiser Waverunner 2007 Owner's Manual
![Yamaha VX, VX Sport, VX Deluxe, VX Cruiser Waverunner 2007 manual cover](/images/4260cd84fcf84153a30b5d38/thumbs/thumb175x175.webp)
To winterize your Yamaha VX Waverunner, start by cleaning the exterior thoroughly. Drain any water from the engine by running it for a few seconds out of water, then flush the cooling system with fresh water. Add a fuel stabilizer to the gas tank and top it off to prevent condensation. Remove the battery and store it in a cool, dry place. Finally, cover the Waverunner with a breathable cover and store it in a dry area.
If your Waverunner won't start, first check the battery connections to ensure they are clean and tight. Verify that the battery is fully charged. Inspect the fuel level and ensure there is no water in the fuel. Check the spark plugs for fouling and replace them if necessary. If the problem persists, consult a professional technician.
It is recommended to change the oil every 50 hours of operation or at the beginning of each season, whichever comes first. Regular oil changes ensure optimal engine performance and longevity.
For a 2007 Yamaha VX Waverunner, use a high-quality marine 4-stroke engine oil with an SAE 10W-40 viscosity rating. Always ensure the oil meets or exceeds the manufacturer's specifications.
To troubleshoot overheating, first check the water intake grate for blockages. Ensure the cooling water pilot outlet is discharging water. Inspect the cooling system hoses for any leaks or obstructions. If the problem continues, the thermostat or impeller may need inspection or replacement.
After each ride, flush the engine with fresh water to remove salt and debris. Wash the exterior to remove grime and salt. Check for any damage and inspect the hull for cracks or scratches. Ensure the fuel system is free from water contamination.
To check the spark plugs, remove the engine cover and locate the spark plugs. Use a spark plug socket to remove them. Inspect for fouling, corrosion, or wear. The electrode should have a light brown color. Replace any damaged or excessively worn spark plugs.
Use a mild detergent and a soft brush to clean the hull. Avoid using harsh chemicals or abrasive materials that can damage the surface. Rinse thoroughly with fresh water and dry with a soft cloth to prevent water spots.
To improve fuel efficiency, ensure the engine is well-maintained with regular oil changes and clean air filters. Avoid excessive idling and operate at a moderate speed. Keep the hull clean to reduce drag, and ensure the jet pump is free from debris.
For extended storage, clean the Waverunner thoroughly and perform a complete maintenance check. Add fuel stabilizer to a full tank of gas. Remove the battery and store it separately. Cover the Waverunner with a breathable cover and place it in a dry, sheltered location.