Yamaha DT125 R Oil & Air Filter
GarageDex's powersports data shows the Yamaha DT125 R uses air filter HFA4101.
Filter fitment by year
| Years | Air filter | Oil filter | Performance oil |
|---|---|---|---|
| 1991-2003 | HFA4101 | - | - |
Match the exact part code. Performance oil filters are optional racing-spec upgrades that fit the same mount.
Filters for your Yamaha DT125 R
The recommended part is the HFA4101 air filter. Match that code (or a listed equivalent) - powersports filters are model-specific, so the code matters more than the brand.
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Frequently asked
What oil and air filter does a Yamaha DT125 R take?
GarageDex's powersports data shows the Yamaha DT125 R uses air filter HFA4101.
What are the Yamaha DT125 R filter part numbers?
The Yamaha DT125 R uses air filter HFA4101. Match the exact part code - powersports filters are model-specific.
How often should I change a powersports oil and air filter?
Change the oil filter at every oil service - typically every 3,000-4,000 miles or once a season. Clean or replace the air filter more often if you ride dusty trails; a clogged filter chokes power and fuel economy.