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Yamaha F30–F90 Outboard Fuel Filter 6C5-24251-00 (EFI Inline Filter)
For Yamaha’s popular mid-range outboards, proper fuel filtration is key to longevity and performance. The Yamaha 6C5-24251-00 fuel filter is an inline filter element used on many 4-stroke models from 30 HP to 90 HP, including common engines like the F40, F50, F60, F70, F75, and F90 (mostly model years mid-2000s onward). These engines often feature electronic fuel injection (EFI) or precision carburetion, both of which require clean fuel to operate correctly. This filter helps maintain that cleanliness by capturing particles and water that could otherwise foul injectors or jets, leading to poor performance or damage.
Built to Yamaha’s OEM standards, the 6C5-24251-00 filter handles higher fuel flow rates needed by larger displacement outboards while still providing fine filtration (comparable to Sierra 18-79983). Its robust design ensures it can endure the pulsations of fuel pumps and the marine environment. Installation is done inline on the fuel hose, just like smaller filters, but this model is specifically engineered to fit the fuel system of the above-mentioned Yamaha engines (it cross-references with Yamaha and aftermarket part numbers like 6C5-24251-00-00, 6C5-24251-01 etc., and Sierra equivalents).
Use Cases & Recommendations:
- Perfect for Yamaha-powered boats in the 40–90 HP class, such as center console fishing boats, pontoon boats, and runabouts – ensures reliable acceleration and top speed by preventing fuel starvation due to clogged filters.
- If your Yamaha is experiencing hesitation at throttle or reduced power, a clogged fuel filter might be the culprit; replacing it with this genuine replacement can restore performance.
- Yamaha recommends regular inspection of the inline fuel filter; generally replace it every 100 hours or once a season, especially critical for EFI engines to avoid lean running conditions.
- Keep a spare 6C5-24251-00 filter onboard for emergency swaps – mid-range outboards are often the workhorses of marine recreation, and a quick filter change can save a fishing trip or family outing from being cut short.
