Yamaha VX Cruiser HO Waverunner 2019 Owner's Manual
![Yamaha VX Cruiser HO Waverunner 2019 manual cover](/images/ed6e7f18601274db83129cb5/thumbs/thumb175x175.webp)
To break in your Yamaha VX Cruiser HO, start by operating at low speeds for the first 10 minutes, gradually increasing to three-quarter throttle. Avoid full throttle for the first two hours, and vary the engine speed to allow proper seating of engine parts.
Regular maintenance includes checking and changing the oil, inspecting and cleaning the spark plugs, flushing the cooling system, and checking the fuel lines and connections. Refer to the owner's manual for detailed maintenance schedules.
Check the battery connections and charge level. Ensure that the safety lanyard is properly attached. Inspect the starter motor and solenoid for faults, and check the fuel level and fuel filter for blockages.
First, shut off the engine and let it cool. Check for blockages in the cooling intake and hoses. Make sure the cooling impeller is working and inspect the thermostat for any malfunctions.
To winterize, clean and dry the Waverunner, stabilize the fuel, flush and drain the cooling system, change the oil, and remove the battery for storage. Cover the Waverunner and store it in a dry place.
Attach a garden hose to the flushing connector on the rear of the Waverunner, start the engine, and then turn on the water. Allow the engine to run for several minutes to flush out salt and debris. Turn off the water before stopping the engine.
Yamaha recommends using Yamalube 4W 10W-40 oil for the VX Cruiser HO. Always check the owner’s manual for the most accurate information on oil specifications.
To improve fuel efficiency, maintain regular service intervals, ensure the hull is clean and free of marine growth, and operate at optimal cruising speeds. Avoid carrying excessive weight and ensure proper throttle control.
Common causes include clogged fuel filters, worn spark plugs, improper throttle cable adjustment, or a fouled impeller. Regular maintenance can help prevent these issues.
Remove the pump cover to access the impeller. Inspect for nicks, dents, or debris that might hinder performance. If damaged, the impeller may need to be repaired or replaced.