The facts.
DescriptionThe whole story▼
Somewhere in a range built on a trade there is usually one comparison that looks like a free lunch, and this is it. The racing medium flows three times what the standard weave does, and yet it measured the higher retention: 95.22 % against 93.13 %. More flow and more filtration in the same breath reads like a straightforward improvement, which would make the choice on a ZT 155G an easy one. The figure deserves a closer look before it is used that way.
Key Features
- Dry racing polyester of 22-micron threads and up, with a published flow of 15,000 l/m²/sec
- 95.22 % of 100-micron test particles held back; the standard weave returned 93.13 % and four-layer oiled cotton 76.42 %
- Roughly double the filtering surface of an ordinary performance element
- Fits the series airbox with no modification, no adaptor and no fuelling change
- Never oiled, so no film can travel onto the sensors or the throttle body
- Washable for the life of the machine; two years of warranty from purchase
What the measurement covers
One particle size. The test compares media at 100 microns, comfortably larger than the P08's 80 µm rating, and reports how much of that fraction each one held. It says nothing about what happens well below 100 microns, which is where the fine dust that wears engines sits, and Sprint Filter publishes no figure there for either medium. A number covering one part of the range is evidence about that part of the range; a filter comparison is not built out of a single point.
Where the trade comes back
The catalogue answers the question itself. If the fastest-flowing medium were also the best filter for every job, the range would not need the 14 micron nonwoven listed for this very case at 1,800 l/m²/sec, the medium Sprint Filter puts forward for dust. The media are destinations, not rungs. On a road-going 155 the flow figure of the racing cloth has no obvious occasion, and no slot-in element makes a standard motorcycle noticeably faster; what any element in this housing delivers is the smaller, steadier benefit of a restriction that an air line puts back where it started.
Care and cleaning
Dust leaves the way it arrived, only backwards: compressed air on the clean face, worked outward through the weave. Where the deposit is oily, lukewarm water with a little mild detergent takes it off, and the element is rinsed until nothing more comes out. It dries in moving air at ambient temperature and by no other method, and the SM276S F1-85 is refitted dry, with nothing applied to it. Instructions are filed in the Downloads tab.
Fitment & Compatibility
For the Zontes ZT 155G, built 2020 to 2026. Six Zontes machines across three displacements share this airbox and therefore this element. Check the suffix as carefully as the year, because three media are catalogued for the one case.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Zontes ZT 125-G1 (2020–2026)
- Zontes ZT 125-GK (2020–2026)
- Zontes ZT 125 (2020–2026)
- Zontes ZT 155G (2020–2026)
- Zontes ZT 155G SR (2020–2026)
- Zontes ZT 200 (2020–2026)
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