Yamaha WR426 F Oil & Air Filter
GarageDex's powersports data shows the Yamaha WR426 F uses air filter HFF4012 and oil filter HF142.
Filter fitment by year
| Years | Air filter | Oil filter | Performance oil |
|---|---|---|---|
| 2001-2002 | HFF4012 | HF142 | - |
Match the exact part code. Performance oil filters are optional racing-spec upgrades that fit the same mount.
Filters for your Yamaha WR426 F
The recommended parts are the HFF4012 air filter and the HF142 oil filter. Match those codes (or a listed equivalent) - powersports filters are model-specific, so the part code matters more than the brand.
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Frequently asked
What oil and air filter does a Yamaha WR426 F take?
GarageDex's powersports data shows the Yamaha WR426 F uses air filter HFF4012 and oil filter HF142.
What are the Yamaha WR426 F filter part numbers?
The Yamaha WR426 F uses air filter HFF4012 and oil filter HF142. 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.