The facts.
DescriptionThe whole story▼
Four media exist for the Caballero's airbox, and each of them is listed for exactly one machine — this one. That is unusual in a catalogue where most codes are shared across a platform, and it explains something about this element in particular: the racing weave is here because the range is complete, not because a class of Caballero racers asked for it. Worth knowing before reading 15,000 l/m²/sec as a promise.
Key Features
- Dry woven racing medium from 22 µm polyester threads, rated at 15,000 l/m²/sec
- Measured retention of 95.22 % on 100-micron particles
- Oil-free by design, so nothing can reach the intake sensors downstream
- Drawn for the Caballero airbox alone — no adapter, no cutting, no remapping
- Roughly double the filtering area of a conventional flat panel
- Serviced and refitted many times over; two years of warranty from purchase
A complete range, not a recommendation
A manufacturer that makes four media will offer four media wherever the tooling allows, and a single-machine code like SM249 shows that clearly: the ladder is complete for a bike that is not a platform and has no racing class of its own. So the top of the list is not advice. In an unmodified airbox this element leaves a standard Caballero exactly as strong as it was, and the flow figure describes what the medium can pass, not what a 500 cm³ single is going to draw through it.
One airbox, no compromises to split
There is a quieter advantage in a code that serves a single machine. A shared part number has to seal two or three housings from two or three manufacturers, and its frame is drawn to satisfy all of them; this one answers to the Caballero alone. Beyond that, the case for the medium rests on its measured retention — 95.22 % of 100-micron particles, where the standard weave for this box returns 93.13 % on the same test. That difference, and the identical dry, washable construction, is the whole of what the higher price buys. It is a small, honest number, and a better basis for the decision than the flow figure above it.
Care and cleaning
Service the SM249S F1-85 with compressed air, directed at the clean face and swept outwards, so whatever the weave has collected leaves along the path it entered by. Water — lukewarm, with a mild detergent — is the second stage and only when air has stopped working, followed by rinsing until nothing clouds the runoff. Then leave the panel in moving air at room temperature until it is genuinely dry; heat sources of every kind are excluded, since they spoil a woven medium without leaving a mark. Nothing is sprayed on before it goes back in. The maintenance sheet lives in the Downloads tab.
Fitment & Compatibility
Made for the Fantic Motor Caballero of 2021–2026, fitted in the series airbox without modification. This code is listed for that one machine. Confirm your build year in the Fitment tab before ordering.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Fantic Motor Caballero (2021–2026)
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