Yamaha VX, VX Sport, VX Deluxe, VX Cruiser Waverunner 2009 Owner's Manual

To winterize your Yamaha VX WaveRunner, follow these steps: 1) Clean and flush the engine with fresh water. 2) Stabilize the fuel system by adding a fuel stabilizer and running the engine for a few minutes. 3) Change the engine oil and filter. 4) Remove the battery and store it in a cool, dry place. 5) Apply fogging oil to the engine. 6) Wash the exterior and apply a protective wax. 7) Cover the WaveRunner to protect it from dust and moisture.
The recommended maintenance schedule for a Yamaha VX Cruiser includes: 1) Checking and replacing the engine oil and filter every 50 hours or annually. 2) Inspecting the jet pump and impeller every 100 hours. 3) Flushing the cooling system after each use in saltwater. 4) Inspecting the fuel system and replacing the fuel filter every 200 hours. 5) Regularly checking and tightening bolts and fasteners.
If your VX Deluxe WaveRunner won't start, check the following: 1) Ensure the safety lanyard is properly attached. 2) Check the battery connections and charge if necessary. 3) Inspect the spark plugs for wear or fouling and replace if needed. 4) Verify fuel is reaching the engine. 5) Check for any error codes on the display panel.
Yamaha recommends using Yamalube 4W 10W-40 oil for the 2009 VX Sport, which is designed specifically for WaveRunner engines. It provides optimal lubrication and protection under a wide range of operating conditions.
To flush the cooling system: 1) Connect a garden hose to the flush port. 2) Start the engine and let it idle. 3) Turn on the water and let it run through the system for about 5-10 minutes. 4) Turn off the water and then stop the engine. This will help remove salt, sand, and debris.
For offseason storage: 1) Thoroughly clean and dry the WaveRunner. 2) Stabilize the fuel and run the engine briefly. 3) Remove and store the battery in a cool, dry place. 4) Lubricate all moving parts and apply fogging oil to the engine. 5) Cover the WaveRunner with a breathable cover to prevent moisture buildup.
To check and replace spark plugs: 1) Remove the seat and access the engine compartment. 2) Disconnect the spark plug wires. 3) Use a spark plug socket to remove the old plugs. 4) Inspect and gap the new plugs if necessary. 5) Install the new spark plugs and reconnect the wires.
Overheating can be caused by several issues: 1) Check for debris in the intake grate or cooling system. 2) Ensure the cooling lines are not clogged. 3) Verify the water pump is functioning properly. 4) Inspect the thermostat for malfunction. Regular maintenance and inspection can prevent overheating.
If experiencing engine misfiring, 1) Check and replace faulty spark plugs. 2) Ensure the fuel is not contaminated or stale. 3) Inspect the ignition coils for damage. 4) Test the compression of the cylinders. If the problem persists, consult a professional technician.
To improve fuel efficiency: 1) Keep the WaveRunner well-maintained with regular oil changes and tune-ups. 2) Avoid carrying unnecessary weight. 3) Operate at a steady speed instead of frequent acceleration and deceleration. 4) Ensure the hull is clean and free of marine growth.