Suzuki KingQuad 400ASi LT-A400F 2021 Owner's Manual
![Suzuki KingQuad 400ASi LT-A400F 2021 ATV manual cover](/images/bwAdseTuSgeLNQswgPIaysAJ/thumbs/thumb175x175.webp)
To perform an oil change, warm up the engine for a few minutes, then turn it off. Place an oil drain pan under the engine, remove the drain plug, and allow the oil to drain completely. Replace the drain plug gasket if necessary and secure the plug. Replace the oil filter, then fill the engine with new oil as specified in the owner's manual.
The recommended tire pressure for the Suzuki KingQuad 400ASi LT-A400F 2021 is typically 4.0 psi for the front tires and 4.0 psi for the rear tires. Always refer to the owner's manual for the most accurate specifications.
If your ATV won't start, check the battery connections for corrosion or looseness, ensure the fuel is fresh, and verify that the kill switch is in the correct position. If the issue persists, inspect the spark plug for wear or damage and replace it if necessary.
Regular maintenance tasks include checking and changing the oil, inspecting and cleaning the air filter, checking the brakes and brake fluid, lubricating the chassis, and inspecting the tires for wear and proper inflation.
To adjust the drive chain, place the ATV on a level surface and locate the chain adjusters on the rear axle. Loosen the axle nut, then turn the adjusters equally on both sides to achieve the correct tension. Tighten the axle nut securely and recheck the tension.
If the engine overheats, stop the ATV and turn off the engine immediately. Allow it to cool down before checking the coolant level. Inspect the radiator for blockages or damage, and ensure the cooling fan is functioning. Add coolant if necessary, and consult a professional if the issue persists.
To replace the air filter, remove the seat and locate the air filter cover. Unclip or unscrew the cover to access the air filter. Remove the old filter and replace it with a new one, ensuring it is seated properly. Reattach the cover securely.
To improve fuel efficiency, ensure regular maintenance such as changing the oil, cleaning the air filter, and maintaining proper tire pressure. Avoid aggressive riding, and use the recommended fuel grade. Reduce any unnecessary weight from the ATV.
The Suzuki KingQuad 400ASi typically requires 10W-40, 4-stroke engine oil. Always verify with your owner's manual for the recommended oil type and specification.
For off-season storage, clean the ATV thoroughly and perform all regular maintenance. Fill the fuel tank and add a fuel stabilizer. Remove the battery and store it in a cool, dry place. Cover the ATV to protect it from dust and moisture.