The facts.
DescriptionThe whole story▼
Something changes in this family of part numbers at the racing grade, and it is easy to miss. The standard weave and the extreme nonwoven for this housing are both listed for two machines, the V100 Mandello and the Stelvio. SM239S F1-85 is listed for the Mandello alone. Geometry cannot be the reason — a panel that fits one airbox of a shared platform fits the other. What differs is the expectation behind the listing, and that is a more useful thing to know before ordering than any figure on the data sheet.
Key Features
- Dry polyester in the racing specification, threads of 22 µm diameter and up
- Rated throughput of 15,000 l/m²/sec, the highest-flowing material in the Sprint Filter range
- Dry throughout: no oil supplied, none required, none permitted
- Around twice the filtering area of a typical performance element
- Takes the factory panel position in the series airbox, with no modification and no remap
- Cleaned and refitted rather than discarded, with two years of warranty from the date of purchase
What a shorter list is telling you
A catalogue entry is not advice, but the shape of one carries information. A racing weave is drawn for machines whose airbox is opened often and whose air is comparatively clean between those visits — the pattern of a bike that sees track sessions rather than long unsupervised distances. Listing it against the road-and-sport machine of the platform and not against the adventure model reads as a statement about who is expected to want it. If your Mandello lives the second kind of life, the standard weave answers better, and no part number will tell you that as plainly as the usage will.
Racing weave, plainly described
By Sprint Filter's own account this material sits behind the air filters most widely used in MotoGP, Moto3, World Superbike, Supersport and Superstock; that is a manufacturer statement about where the cloth is deployed rather than an independent test, and it is quoted here as such. The engineering underneath is simple: far more air through, with 95.22 % of 100-micron particles held back in the maker's test, and a name whose 85 is not a pore size. It is not a power part. Fitted inside an unaltered airbox it leaves a series V100 Mandello producing what it was certified to produce, and the honest return is a very low intake resistance that a cleaning restores in full.
Care and cleaning
SM239S F1-85 is regenerated with compressed air, blown from the clean face outward so the load leaves the medium the way it came in. After a wet or oily session, lukewarm water with a mild detergent will clean it properly; rinse thoroughly and let the panel dry completely in circulating air. No heat, no hot air gun, no flame, and nothing sprayed onto the weave before it is refitted. The maintenance sheet is in the Downloads tab.
Fitment & Compatibility
Specified for the airbox of the Moto Guzzi V100 Mandello, model years 2022 to 2026. In this medium the part number is drawn against that one machine; the Fitment tab shows it with its model years.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Moto Guzzi V100 Mandello (2022–2026)
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