The facts.
DescriptionThe whole story▼
Everything on the far side of an air filter is either measuring something or metering something. Throttle bodies, injectors, the sensors that report back to the engine management — all of it sits downstream, in air that has just passed through the element. That is an argument for a dry filter which has nothing to do with filtration: it is not about what the medium stops, but about what it declines to add.
Key Features
- Dry from manufacture to disposal: one layer of woven polyester at 80 µm and 5,050 l/m²/sec
- No filter oil in the intake tract at any stage, and therefore no film to travel downstream
- Series airbox retained in full — no housing changes, no adaptors, no remap
- About twice the filtering area of the performance elements it replaces
- Cleaned with an air line and refitted, indefinitely, instead of being bought again
- Two years' warranty from the date of purchase
An oiled filter carries a dose; this one does not
Oiling a gauze filter is a judgement made by hand, and it is a judgement nobody can verify afterwards. Too little and the medium is not performing to the number on its label, because the tack is what holds the fine fraction. Too much and the surplus does not stay put; it is drawn along by the airflow into whatever the intake feeds. Between those two errors sits a correct amount that looks identical to both. The P08 removes the entire question. It leaves the factory dry, it is cleaned dry, and it goes back dry, so the variable never enters the airbox.
A decision taken once
The 350 range on this list spans model years 2020 to 2026, and the element is specified for the working life of the machine. That turns a repeating service choice into a single one: the intake is set up the way you want it and then stays that way, with cleaning rather than reordering keeping it there. What it is not is a power part. A drop-in element does not make a standard ZT 350-V noticeably quicker, and the useful claim is the smaller, truer one — a lower intake restriction that keeps returning to the same figure.
Care and cleaning
The SM277S is serviced with compressed air aimed at its clean face and blown outwards. When the deposit is oily rather than dusty, lukewarm water with mild detergent lifts it and a full rinse finishes the job. It then dries in circulating air, at ambient temperature, well away from any heat source or flame, and is refitted dry with nothing applied to the weave. Sprint Filter's maintenance sheet is available under the Downloads tab.
Fitment & Compatibility
The P08 element for the Zontes ZT 350-V, model years 2020 to 2026. Eight further Zontes machines across the 250, 310 and 350 classes appear against the same code — nine catalogue entries in all. Order by the code, with the model year checked against the listed range.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Zontes ZT 250-R (2019–2021)
- Zontes ZT 310-R (2021–2023)
- Zontes ZT 310-T (2021–2023)
- Zontes ZT 310-X (2021–2023)
- Zontes ZT 350-R (2020–2026)
- Zontes ZT 350-T (2020–2026)
- Zontes ZT 350-X (2020–2026)
- Zontes ZT 350-GK (2020–2026)
- Zontes ZT 350-V (2020–2026)
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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.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
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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