Suzuki KingQuad LT-F400F 2019 Owner's Manual
![Suzuki KingQuad LT-F400F 2019 ATV manual cover](/images/aNWVPDMGITpdWcLtyEPlxmbe/thumbs/thumb175x175.webp)
To change the oil, first warm up the engine to ensure oil flows out smoothly, then turn off the ATV. Place an oil pan under the engine, remove the oil drain plug, and let the oil drain completely. Replace the drain plug and remove the oil filter. Install a new oil filter and fill the engine with the recommended oil type and amount. Check the oil level with the dipstick and add more if necessary.
The recommended oil for the Suzuki KingQuad LT-F400F 2019 is SAE 10W-40, 4-stroke motorcycle oil. Ensure it meets the JASO MA or MA2 standards for optimal performance.
The air filter should be inspected every 100 hours of use or annually. Replace it if it's clogged or damaged to ensure the engine receives clean air for optimal performance.
The recommended tire pressure for the front tires is 4.0 psi and for the rear tires is 4.0 psi. Always check the tire pressure when tires are cold for accurate readings.
First, check the battery for charge and connections. Ensure the kill switch is in the 'run' position and the fuel valve is open. Inspect the spark plug for fouling and replace it if necessary. If the ATV still doesn't start, it may require professional diagnostics.
Locate the idle adjustment screw on the side of the carburetor. Turn the screw clockwise to increase the idle speed or counterclockwise to decrease it. Adjust the speed to the manufacturer's recommended RPM for a smooth idle.
Before storing your ATV, clean it thoroughly and apply a protective wax to the body. Change the oil and filter, lubricate all moving parts, and add a fuel stabilizer to the tank. Inflate tires to the recommended pressure and disconnect the battery. Store the ATV in a dry, covered area.
Locate the fuse box under the seat or near the battery. Use the diagram on the fuse box cover to identify the blown fuse. Remove it using a fuse puller and replace it with a fuse of the same amperage to restore electrical function.
If overheating occurs, stop the ATV immediately and allow the engine to cool. Check the coolant level and refill if necessary. Inspect the radiator for blockages and clean any debris. Ensure the cooling fan is operational. If the issue persists, consult a professional mechanic.
To enhance fuel efficiency, maintain proper tire pressure, perform regular maintenance like oil and air filter changes, and avoid excessive idling. Use high-quality fuel and ride at moderate speeds to conserve fuel.