K&N Replacement Air Filter Honda Ct125A Trail 125 2020
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The K&N High-Flow Replacement Air Filter is a washable and reusable engine air filter for the 2020–2026 Honda CT125 Trail 125. It replaces the original disposable filter element inside the factory air-cleaner housing without requiring a complete aftermarket intake system.
Multiple layers of oiled cotton-gauze media provide a large filtration area while supporting increased airflow and dependable engine protection. The application-specific sealing surface is designed for an OEM-style fit, and the filter arrives pre-oiled and ready to install.
Features
- High-flow replacement engine air filter
- Washable and reusable design
- Multiple layers of oiled cotton-gauze filter media
- Pleated construction provides a large filtration area
- Designed to support increased airflow and engine response
- Application-specific sealing surface for an OEM-style fit
- Installs inside the original Honda air-cleaner housing
- Pre-oiled and ready to install
- K&N part number HA-0120
- Cross-reference: Honda 17210-K2E-T00
Fitment
Honda CT125 Trail 125
- 2020 Honda CT125 Trail 125
- 2021 Honda CT125 Trail 125
- 2022 Honda CT125 Trail 125
- 2023 Honda CT125 Trail 125
- 2024 Honda CT125 Trail 125
- 2025 Honda CT125 Trail 125
- 2026 Honda CT125 Trail 125
Also commonly identified as the Honda CT125A or Trail 125 ABS, depending on the market and model year. Confirm the motorcycle model and original filter number before ordering.
Specifications
- Filter shape: Panel
- Filter material: Cotton gauze
- Washable: Yes
- Height: 0.875 inch (22 mm)
- Outside length: 13.281 inches (337 mm)
- Outside width: 5.688 inches (144 mm)
- Filter re-oiling amount: 0.61 ounce (18 ml)
- Weight: Approximately 0.9 pound (0.4 kg)
Recommended Use
Recommended for Honda Trail 125 riders who want a serviceable replacement for the original disposable air filter. The washable construction makes it particularly useful for motorcycles that are ridden regularly and maintained over an extended period.
Motorcycles operated in dusty, sandy, muddy, or other severe conditions should have the filter inspected and serviced more frequently.
What’s Included
- 1 K&N HA-0120 replacement air filter
Air-filter cleaner, replacement filter oil, tools, and additional air-cleaner components are not included.
Cleaning and Maintenance
Clean and re-oil the filter when inspection indicates that service is required. Use cleaning and filter-oiling products intended for K&N cotton-gauze air filters. Allow the filter to dry naturally after cleaning and apply the correct amount of filter oil before reinstallation.
Do not operate the motorcycle with the filter excessively dirty, damaged, improperly seated, dry after cleaning, or over-oiled. K&N specifies approximately 0.61 ounce (18 ml) of oil when servicing this filter.
Installation
Remove the original air-filter element according to the Honda service procedure and clean dirt or debris from the air-cleaner housing. Install the K&N filter in the original location, making sure its sealing surface is seated evenly before securing the air-cleaner cover.
Inspect the housing and surrounding intake components during installation. Replace any damaged seals, fasteners, or air-cleaner components before operating the motorcycle.
Proposition 65 Warnings.
Cancer and Reproductive Harm. See details below.
Items that are not CARB Legal will not be sold and ship to California or CARB states.
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