Suzuki KingQuad 400ASi LT-A400F 2017 Owner's Manual
![Suzuki KingQuad 400ASi LT-A400F 2017 ATV manual cover](/images/DFmROUSlgEyxMBuqNetiiRdv/thumbs/thumb175x175.webp)
Regular maintenance includes checking and replacing the engine oil, inspecting the air filter, examining tire pressure, checking the brakes, and ensuring the proper functioning of lights and controls. Refer to the owner's manual for detailed instructions and recommended intervals.
Use 10W-40, 4-stroke engine oil specifically formulated for ATV use. Ensure that it meets the API service classifications of SF or SG.
If your ATV won't start, check the battery for charge and connections, inspect the spark plug for wear or damage, ensure the fuel level is adequate, and verify that the kill switch is in the 'Run' position.
To clean the air filter, remove the seat and air filter cover, take out the filter element, wash it with a mild detergent, rinse thoroughly, let it dry, and apply a light coat of air filter oil before reinstalling.
Use a tire pressure gauge to check the pressure when the tires are cold. Adjust the pressure to the recommended PSI stated in the owner's manual. Proper tire pressure ensures optimal performance and safety.
Overheating can be caused by low coolant levels, a clogged radiator, or a faulty thermostat. Check the coolant level, ensure the radiator is clean, and inspect the thermostat for proper operation.
To adjust the brakes, locate the brake adjustment screws near the brake lever or pedal. Turn the screws to set the brake tension to your preference, ensuring the brakes engage smoothly and effectively.
Check the transmission fluid level and quality, inspect the gear linkage for damage or misalignment, and ensure the clutch is functioning correctly. If issues persist, consult a professional mechanic.
To replace the spark plug, remove the spark plug cap, use a spark plug socket to unscrew the old plug, install the new plug by hand to avoid cross-threading, and tighten with the socket. Ensure the gap is set according to the specifications.
Clean the ATV thoroughly, change the oil, fill the gas tank and add a fuel stabilizer, disconnect the battery, and store the ATV in a dry, covered area. Consider using a breathable cover to protect it from dust and moisture.