The facts.
DescriptionThe whole story▼
For many of the people who buy one, a Daytona 660 is the first motorcycle they own outright rather than borrow, and the first they seriously consider servicing themselves. The air filter is the sensible place to begin. Nothing about it is torque-critical, it cannot go back in the wrong way round without that being obvious, and unlike almost every other line on a service schedule it does not oblige you to buy anything before you start.
Key Features
- Single-layer woven polyester, run completely dry: 80 µm rating at 5,050 l/m²/sec
- Never oiled at any stage — nothing to apply, nothing to over-apply, nothing carried downstream
- Takes the paper panel's place in the standard airbox: no modification, no remapping
- Around twice the working surface of a typical performance element
- Retains 93.13 % of 100-micron particles, against 76.42 % for four-layer oiled cotton
- Cleaned and refitted for the life of the machine, with two years' warranty from purchase
The one service job with a visible result
Most first attempts at home maintenance end in uncertainty. The fluid looked about right, the adjustment felt about right, and there is no way to check your own work afterwards. An air filter is the exception. You take it out, hold it up to a light, put a compressed-air line through it and hold it up again. The difference between those two looks is the entire result, and it is not open to interpretation. With a paper panel the same inspection ends in a decision you cannot act on: the element is either still acceptable or it is a part you do not have on the shelf. With the SM280S, looking and fixing are the same afternoon.
What it changes, and what it does not
It does not make a standard Daytona 660 noticeably quicker, and nothing dropped into an unmodified airbox does. The intake was signed off as a system — snorkel, plenum, throttle bodies and mapping together — and the paper panel was never the part holding it back. What the element changes is smaller than a power claim and lasts longer: the intake starts at a lower restriction, and because the medium is washable it returns to that starting point at every service instead of drifting one way only until somebody buys a replacement.
Care and cleaning
Compressed air on the clean face, worked outwards, so that what the weave stopped leaves the way it arrived. If something will not lift dry, lukewarm water and a little mild detergent will shift it; rinse until the water runs clear. Let it dry in moving air at its own pace — never with a heat gun or any flame, because heat distorts the weave — and refit it completely dry, with nothing applied to it. The maintenance sheet for the SM280S sits in the Downloads tab of this page.
Fitment & Compatibility
The P08 element for the Triumph Daytona 660, model years 2024 to 2026: one machine, one airbox, one part number. Triumph has used the Daytona name before, and the earlier 675 triple takes a different element altogether, so order by model year rather than by the name on the side panel.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Triumph Daytona (2024–2026)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
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