Kazuma manufactures a range of ATVs for kids. These are powerful machines and proper maintenance is essential. A trip to a mechanic can be expensive, so run through a few basic troubleshooting steps on your own. Look out for underinflated tires, insufficient battery fluid and damaged spark plugs. Check your Kazuma owner's manual for a full checklist of potential problems and maintenance tips.
- Skill level:
Things you need
- Spark plug wrench
- Wire brush
- Spark plug
- Spark plug gap feeler tool
Clean the air filter. A clogged air filter can cause starting difficulties. Use compressed air to clean the filter. If the filter is damaged in any way, replace it. Running the engine without an air filter installed can severely damage the engine. Particles of dust can infiltrate and clog up the system.
Remove the dipstick from the engine to check the oil level. Turn off the ATV's engine and remove the dipstick. Wipe the dipstick before inserting it back into the engine. Remove the dipstick again and verify that the oil level is within the two notches designated on the end of the dipstick.
Check to see that there is adequate fluid in the battery chamber. The battery can corrode and discharge faster than normal if it is not properly maintained. Fill the battery between the designated upper and lower marks on the battery. Use distilled water to replenish the battery. Do not add tap water.
Ensure that tire pressure on all four ATV tires is equal. If the pressure goes below minimum, this could cause the tire to tear away from the rim. Do not inflate the tires beyond 36 psi.
Adjust the idle screw and mixture screw if the engine is not idling correctly or tends to falter and cut off. Allow the engine to warm for a few minutes. Turn off the ignition and slowly move the mixture screw clockwise until it stops turning. The mixture screw is located on the carburettor. Crank the engine then turn the mixture screw out. Now adjust the idle screw until the engine is idling to the desired rpm.
Lift the rubber cap off the spark plug. Use the socket wrench to remove the plug. Clean the plug with a wire brush. If the insulation on the plug is damaged, replace it. Use the spark plug gap feeler tool to see that the electrode gap is correct. The gap should be between 0.6 and 0.7mm.
Tips and warnings
- Check the battery fluid once a month.
- Driving in water deep enough to submerge the engine can damage the ATV.
- Do not overfill or underfill the engine with oil. This can damage the engine.
- Do not over-tighten the spark plug. This can strip the thread in the cylinder head.
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