The facts.
DescriptionThe whole story▼
More GSX-S125s are ridden by people who do not own them than almost anything else in the range: a riding-school machine, a rental machine, a first bike handed down within a family. That changes what the airbox sees. Lessons and city work mean a low average speed, many cold starts and a long engine-running time for every hundred kilometres covered — none of which shows on the dash. The Sprint Filter P08 PM250S will not make a 125 faster, and nothing fitted inside an airbox will. What it gives is an element that whoever has the keys this week can look at, clean and refit, instead of a paper cartridge that loads up quietly until somebody orders a new one.
Key Features
- The weave holds at 80 microns; airflow, 5,050 litres per square metre per second
- No oil in the dry P08 polyester, so nothing travels onto the intake sensors
- Double the filtering surface, near enough, of other performance filters
- Element for element in the standard airbox — no modification, no remap, no change to homologation
- Compressed air is the normal service; the same element goes back in
- The date of purchase starts two years of warranty
Engine hours, not odometer readings
A filter ages by the volume of air that has passed through it, and that has only a loose relationship with the number on the dash. A 125 doing lessons and short trips runs a long time to cover very little ground, in the dirtiest air a motorcycle meets: the brake and tyre dust of the traffic in front. Two GSX-S125s on identical mileage can be nowhere near each other in intake condition. No service interval can know that, so the useful answer is to look — and a washable element makes looking free. An inspection with no purchase attached does not get deferred.
Dry polyester, and what the figures mean
Woven polyester, one layer, working without any film on it. That matters more here than on a privately owned bike: an oiled gauze element has to be re-oiled by whoever washed it, and on a machine three people service, nobody is quite sure who did. The dry weave removes the step entirely. On the retention test with 100-micron particles it also measures higher than four-layer oiled cotton — 93.13 against 76.42 per cent, both figures published by Sprint Filter. Finer media exist for harder air, and each of them trades flow for retention rather than improving on it.
Care and cleaning
Compressed air from the clean side outwards is a two-minute job, repeatable as often as anyone likes — useful on a bike several people ride. A wash for the PM250S is lukewarm water with a mild detergent, rinsed until the water runs clear, then open air until it is completely dry. Never heat, never a flame; refit dry. The maintenance sheet is in the Downloads tab.
Fitment & Compatibility
Made for the Suzuki GSX-S125, 2017 to 2026, a direct replacement in the standard airbox. The same element also serves the other small-capacity Suzukis built around this airbox and one machine from another marque; the complete list is in the Fitment tab.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Suzuki GSX-S125 (2017–2026)
- Suzuki GSX-R125 (2017–2026)
- Suzuki GSX-S150 (2017–2020)
- Suzuki GSX-R150 (2017–2020)
- Voge Trofeo AC (2022–2026)
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