The facts.
DescriptionThe whole story▼
Of the six machines listed against this element, the 125 Duke is the one whose engine could give up most of a filter's rated passage without noticing, and the one least likely to be ridden where that sacrifice buys anything back. The T12 is a dry polyester nonwoven rated at 7 microns and 560 litres per square metre per second, against 80 microns and 5,050 for the standard P08 — about a ninth of the flow, exchanged for arresting particles an order of magnitude smaller.
Key Features
- Dry polyester nonwoven, the extreme-conditions medium: 7 µm at 560 l/m²/sec
- Around a ninth of the P08's rated passage, given up for far finer retention
- Never oiled, so there is no dose to judge and nothing able to reach a sensor
- Takes the paper panel's place in the untouched airbox; no remap, no fabrication
- Blown through and refitted for the life of the bike, under two years of warranty
- Drawn for dust and unsealed ground — on a road 125 Duke the P08 is the sounder buy
Why this engine could live with it
Flow figures are quoted per square metre of medium, and what an engine asks of a square metre depends on how much air it pulls through. A 125 single asks less than anything else sharing this housing, and the housing has to serve the 390 at the far end of the list. Whatever margin the box holds, the smallest engine has the largest share of it.
Why it is still not the one to buy
Being able to afford something is only half of a purchase; the other half is having a use for it. A 125 Duke lives on sealed surfaces, and this medium was drawn for air with a visible load in it — pistes, sand, ground churned up by whatever is ahead. Paying for fine filtration every day, for conditions met twice a year, is a poor arrangement. Nor should a change of element be expected to add output: the ceiling here is written into the A1 category and the engine built to meet it, not into the medium in the airbox. What every filter in this housing honestly offers is a starting restriction below a disposable panel's, one that can be washed back to that value instead of climbing quietly across a year.
Care and cleaning
The PM200T12 is serviced dry throughout. Hold an air line to the clean face and drive the jet outward, so the load leaves by the surface that collected it; for what a road bike picks up, that is usually the whole job. When the mat holds more than air will lift, tepid water and a little mild detergent release the rest — keep rinsing while anything is still coming away. Drying happens in moving air, never near a heater or a flame, and it goes back only once dry right through. The illustrated sheet is under Downloads.
Fitment & Compatibility
This is the T12 for the KTM 125 Duke, 2017 to 2023, replacing the original panel in the standard airbox; the redesigned 125 Duke from 2024 takes a different element. Six machines are catalogued against the code — four Dukes and two Adventures — where the same housing takes the P08 across fourteen. The full list is in the Fitment tab.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- KTM Duke 125 (2017–2023)
- KTM Duke 200 (2020–2026)
- KTM Adventure 250 (2020–2026)
- KTM Duke 250 (2017–2023)
- KTM Adventure 390 (2020–2023)
- KTM Duke 390 (2017–2023)
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