Air Filter Cleaning – Replacement Guide for 2011 Yamaha TW200

Shop parts for a 2011 Yamaha TW200 Dirt Bike.

Maintaining the air filter on your 2011 Yamaha TW200 is crucial to keep its unique air-cooled engine running strong, especially since this bike is often used in dusty, off-road conditions. Regular filter care ensures optimal power delivery and engine longevity, which is particularly important for the TW200’s modest power output and specific carburetion.

Location & Access

The air filter on the 2011 TW200 is housed under the seat, behind the left side panel. Accessing it requires a Phillips screwdriver and a clean working area. Here’s how to get started:

  • Remove the two Phillips screws from the left-side body panel, then carefully pull the panel away to release the retaining tab from the gas tank. Set the panel aside.
  • Next, remove the four screws securing the airbox panel. Be sure to keep the body panel screws separate from the airbox screws, as the latter are longer and mixing them up can damage threads upon reinstallation.
  • With the airbox panel off, you’ll see the air filter and its cage. Carefully remove both, watching for any torn foam or excessive dirtwhich are signs the filter needs replacement rather than cleaning.

Cleaning the Air Filter

The TW200 uses a foam filter, which should be cleaned every 3,000 miles or more frequently in dusty, wet, or high-impact environments.

  • Gently remove the filter from the cage. Inspect for rips, tears, or deteriorating foam. Replace immediately if damaged.
  • Clean the foam using a filter-specific cleaner or mild dish soap in warm water. Squeeze out contaminants but do not wring or twistthe foam can tear easily.
  • Rinse thoroughly and allow it to dry completely.
  • Once dry, apply a foam filter oil evenly across the filter. This is essential for the filter to trap dust and keep fine debris out of the carburetor and engine.

Reinstallation – Replacement

Follow these steps to properly reinstall or fit a new filter:

  • Lightly grease the perimeter of the airbox where the filter seats. This enhances the seal and prevents unfiltered air from entering.
  • If your filter cage uses a rubber gasket, ensure it’s seated correctly before introducing the filter.
  • Install the filter and cage, then reattach the airbox panel with its four screws and replace the side panel in reverse order, finishing with the two shorter screws.

Special Notes for 2011 TW200 Owners

  • The TW200’s foam filter design provides excellent filtration for low- and mid-speed off-roading. However, neglecting filter maintenance leads to reduced power and risk of premature engine wear.
  • The 2011 model maintains a simple carbureted setupoverly dirty or clogged filters can cause hard starting, stalling, and performance loss. Routinely check for any air leaks around the filter housing, as the TW’s airbox is more sensitive to dust intrusion compared to some newer, EFI-equipped models.
  • Always verify that the airbox drain (clear tube below box) is not clogged and is emptied after cleaning, especially after riding in wet or muddy conditions.

Final Tip

Never ride the TW200 without an oiled filter in place. The engine’s air intake is positioned to catch a lot of debris, especially when exploring off-road. Keeping the filter clean and well-oiled is the easiest way to avoid costly repairs and keep your bike running like new.

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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.