Air Filter Cleaning – Replacement Guide for 2018 Yamaha PW50
Shop parts for a 2018 Yamaha PW50 Dirt Bike.
Keeping your 2018 Yamaha PW50 in peak shape begins with clean air. Given its role as a starter bike for young riders, maintaining the air filter on your PW50 ensures reliable performance, smooth throttle response, and long engine life. The PW50 uses a foam air filter tucked under the side plastic cover, so keeping it spotless is crucial for any owner—especially those prepping the bike for kids.
Why Air Filter Care Matters for the PW50
- Reliability: The two-stroke engine relies on clean air for optimal combustion. Dirt or neglect can lead to poor running or premature wear.
- Beginner-Friendly: The PW50 features automatic transmission and oil injection. Since it‘s often ridden by children, proper air filter maintenance helps ensure it remains safe and easy for new riders.
- Unique Setup: The air filter is easily accessible and designed for simple removal—perfect for parents or young riders learning maintenance basics.
How To Clean or Replace the Air Filter – Step-by-Step for PW50
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Locate and Remove the Cover:
- Find the left rear shock. The air filter cover sits just ahead of it.
- Use a Phillips screwdriver to remove the central cover screw. You might need to press down the kickstarter slightly for clearance.
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Remove the Filter Element:
- Pull off the cover gently. The foam filter sits inside the airbox.
- Inspect the filter visually for dirt, tears, or crumbling. Replace if damaged or deteriorated.
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Clean the Airbox:
- Wipe out dust or debris inside the airbox surrounding the filter.
- Use a rag with some contact cleaner for stubborn grime—do not soak the electronics.
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Clean the Filter (if Reusable):
- Place the foam filter in a cleaning tub with approved air filter cleaner. Let it soak for 10–15 minutes.
- Gently knead and rinse out with cool water until clear.
- Allow the filter to fully air dry away from direct sunlight.
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Apply Filter Oil:
- Once dry, coat the foam evenly in filter oil—use either aerosol or pour-on types. Work oil into all surfaces for dust protection.
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Reinstall and Secure:
- Slide the filter back in, ensuring no part pokes out beyond the gasket area.
- Replace cover and secure with the screw. Double-check fitment to prevent unfiltered air leaks.
When to Replace the PW50 Air Filter
- If the foam is torn, crumbling, or won’t clean up, replace with a genuine PW50 filter for best fitment.
- Check the filter after every 5–10 hours of riding, or sooner in dusty conditions.
PW50-Specific Tips & Things To Watch
- Airbox inspection: Heavy dust or oil inside the box could mean leaks or improper fit. Make sure the filter sits flush and seals tightly.
- Keepsafe for kids: Always reinstall plastics securely after maintenance to avoid exposed moving parts—the PW50 is designed for safety but depends on proper reassembly.
- Parts access: The compact design allows fast, painless filter swaps. Keep spare filters and cleaning supplies handy to make the process kid-friendly.
Regular air filter maintenance is the simplest way to keep your 2018 Yamaha PW50 running strong—and fun for every ride.
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Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.
