The facts.
DescriptionThe whole story▼
The GSX-8S is the senior machine of this family, on sale since 2023, and the one you now meet in a second role: a few have stopped being anybody's only motorcycle and been given over to track days, serviced by sessions rather than by kilometres. That change of regime is the question behind this element. The Sprint Filter P08 F1-85 moves 15,000 litres per square metre per second, where the standard P08 passes 5,050 through 80 microns. More air comes through because the weave is different, not because the cloth is more open — there is no step backwards in filtration — and the extra flow is worth paying for once the engine is prepared and looked after on running hours rather than on a service book.
Key Features
- The racing medium of the range: dry polyester threads from 22 µm diameter, 15,000 l/m²/sec
- Three times the flow of the standard P08 at 80 microns and 5,050 l/m²/sec — not paid for in filtration
- No oil anywhere in it, so nothing can migrate onto the sensors or throttle bodies
- Sits in the unmodified series airbox; the fuelling stays as it is
- Regenerated with an air line rather than thrown away, for the life of the motorcycle
- Warranty: two years, counted from the day of purchase
When the service book turns into an hour meter
Race and track engines are opened on a schedule of hours. Under that regime the engine is also built and mapped to use every litre of air the intake can supply. A GSX-8S that commutes and tours lives by the opposite logic — standard intake and exhaust, a bottom end expected to reach a high mileage untouched, and an engine that rarely asks for more air than the standard element already passes. Decide honestly which life this bike leads, and let that pick the medium; if it will simply be ridden, the standard P08 in the same housing is the better buy.
Why the F1-85 is not the coarser medium
Sprint Filter's own comparison figures complicate the picture usefully: against 100 micron test particles the F1-85 held back 95.22 per cent and the standard P08 93.13 per cent, while four-layer oiled cotton managed 76.42. The 85 in the name is not an aperture at all, and the racing weave comes out ahead of the P08 in that comparison. Where a genuine trade does shape the range is further along it: P14 at 14 microns and 1,800 l/m²/sec for dust, T12 at 7 microns and 560 for desert. Finer cloth keeps more out and lets less through; none of them outranks another.
Care and cleaning
Servicing the SM245S F1-85 means compressed air on the clean face, pushed out through the weave. After a dusty weekend, lukewarm water with a mild washing-up liquid is the next step, rinsed until clear. Leave the element in moving air until it is dry the whole way through — no heat gun, nothing near a flame — and fit it dry. No oiling stage. The Sprint Filter maintenance sheet is in the Downloads tab.
Fitment & Compatibility
Made for the Suzuki GSX-8S, 2023 to 2026, going into the standard airbox as it comes. Four Suzuki models share this part; the complete list is in the Fitment tab.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Suzuki GSX-8S (2023–2026)
- Suzuki GSX-8T (2026)
- Suzuki GSX-8TT (2026)
- Suzuki V-Strom 800DE (2023–2026)
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