Sprint Filter SM292S F1-85 air filter
02 · Data & docs

The facts.

DescriptionThe whole story▼

The trade between filtration and flow is almost always explained in one direction: a finer cloth catches more and passes less. This element does not fit that sentence neatly. Its 85 is a name, not a micron figure, so the F1-85 is not a coarser version of the 80-micron standard element listed for the CFMOTO MT-X 1000, never mind the 7-micron nonwoven; it is a different weave of polyester threads from 22 µm in diameter. It flows close to three times what the standard cloth does, and in the maker's 100-micron test it still held back 95.22 % against 93.13 %. Both halves of that are real, and together they explain why it is the racing choice for this airbox.

Key Features

  • Dry polyester from 22 µm threads, rated at 15,000 l/m²/sec
  • The highest-flow of the three media for this airbox
  • No filter oil at any stage; serviced with a compressed-air line
  • Fits the unmodified series airbox; nothing cut, nothing remapped
  • Approximately double the surface area of a comparable performance element
  • Reusable for the life of the motorcycle; two-year warranty

Reading the trade from the other side

Every description of a fine filter lists what it costs in flow. Far fewer state the reverse, so here it is: opening the weave means smaller particles that the standard cloth would have held now pass. On a track surface, where the air is largely what other machines stir up, that is a price worth paying for the flow. On gravel, on a dry unsurfaced road, or behind traffic in a long dry summer it is not, and the range answers that case with a different element altogether. There is no ordering here in which one of the three is simply better — each of them is a position on the same trade, chosen by where the machine is being ridden.

The part of the claim that is not made

A higher flow rating is a statement about what the element can supply, not about what the engine will draw. Fitted to an otherwise standard MT-X 1000, this filter does not make the motorcycle noticeably quicker — no drop-in element does, and a listing that says otherwise has left the subject of filters. What it does provide is a large reserve of flow that stays available because the cloth is washed rather than replaced, plus the same practical properties as the rest of the range: dry, oil-free, no coating anywhere near the sensors, and a service you can carry out yourself.

Care and cleaning

Blow it through with compressed air from the clean side outwards, so that the load leaves by the route it arrived on. If the surface is greasy, lukewarm water with a little mild detergent will lift it; rinse until nothing further comes away. Let it dry in moving air at its own pace, well clear of heat guns, radiators and flames, and refit it dry with nothing applied. The maintenance sheet for the SM292S F1-85 is in the Downloads tab on this page.

Fitment & Compatibility

Made for the airbox of the CFMOTO MT-X 1000 of the 2026 model year, one element per motorcycle. This part number covers two CFMOTO models; the complete list is in the Fitment tab.

DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
  • CFMOTO MT-X 800 (2022–2026)
  • CFMOTO MT-X 1000 (2026)
07 · Support

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