Air Filter Cleaning – Replacement Guide for 2020 Yamaha TTR110
Shop parts for a 2020 Yamaha TTR110 Dirt Bike.
The air filter on the 2020 Yamaha TTR110 plays a crucial role in protecting your engine by keeping dust & debris out of the intake. Regular cleaning – replacement ensures optimal performance, engine longevity, & reliable starts, especially under challenging riding conditions. Yamaha's foam air filter is designed for reuse but should be replaced if showing signs of damage, tears, or deterioration.
Why Clean or Replace the Air Filter?
- Maintains air flow – a dirty filter restricts air, reducing power & throttle response.
- Protects the engine – prevents dust or debris from causing premature wear.
- Ensures peak performance – a clean filter delivers more consistent running and easier starting.
Note for TTR110 Owners: The TTR110 airbox is positioned behind the right side panel; its foam filter is durable, but riding in wet or dusty areas requires more frequent service.
How Often to Service?
- Follow Yamaha's maintenance intervals in your manual, or inspect after every ride in dusty or wet conditions.
- Replace the filter at the first sign of tearing or material breakdown for best protection.
Tools – Supplies Needed
- 10mm socket wrench
- 8mm socket wrench
- Phillips screwdriver
- Foam filter cleaning solvent (never gasoline)
- Warm water
- Foam filter oil
- Clean rags – disposable gloves
Step-by-Step Cleaning Instructions
- Secure the bike – Park your TTR110 on level ground with the engine off – cool.
- Remove body panels – Take off the right side fairing to access the airbox.
- Release airbox cover – Undo the screws (typically three Phillips heads).
- Extract filter – Pull out the foam filter – inspect for dirt, damage, or tears.
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Clean the filter:
- Wash foam in dedicated cleaning solvent (not gasoline, not low-flash-point chemicals).
- Squeeze out solvent; rinse well with warm water.
- Allow to fully air dry; never use high heat.
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Oil the filter:
- Coat the foam evenly with filter oil, massaging to saturate (use a sealable plastic bag for even coverage).
- Squeeze out excess oil – ensure not dripping but fully covered.
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Reinstall filter:
- Place the filter back in the airbox – ensure proper seating to prevent air leaks.
- Replace airbox cover – secure all screws snugly.
- Reattach side panel – double-check all fasteners.
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Final steps:
- Dispose of cleaning solvents – used filters responsibly in accordance with local regulations.
- Inspect area for loose parts before starting the bike.
Replacement Guide
- Install a new Yamaha OE foam filter if the old filter shows tears, holes, or weak foam integrity.
- Always oil the new filter before use for maximum engine protection.
Pro Tips
- Regular cleaning ensures maximum engine life in the TTR110's air-cooled, beginner-friendly engine.
- Use Yamaha's recommended foam filter oil for best results.
- Never run the TTR110 without an air filter installed.
The 2020 Yamaha TTR110 is known for its simplicity – most owners can perform basic service tasks without specialized tools. Maintaining the air filter is one of the most important — and easiest — ways to keep your TTR110 running strong no matter the terrain. If you need replacement filters, filter oil, or other maintenance parts, MotoSport has the right selections for your bike.
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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.