The facts.
DescriptionThe whole story▼
Of the twenty-four Ducatis that take this airbox, only two are catalogued with all three of Sprint Filter's cloths, and the Hypermotard 939 is one of them. That makes the choice real here rather than automatic. The standard 80 µm weave, a 14 µm nonwoven and a 7 µm mat are three different answers to the same question, and the CM61S is the first of them: the most open medium of the three, and the one specified when the bike is used on the road it was sold for.
Key Features
- An unoiled polyester weave, dry in service and dry again after every wash
- Filtering area around twice that of other performance filters
- 80 µm filtration at a rated 5,050 l/m²/sec — the highest throughput of the three cloths offered here
- Exchanges directly with the paper panel in the standard airbox; no modification and no remap
- Washable and reusable, meant to see out the motorcycle rather than a service interval
- Two years of warranty from the day of purchase
Finer is not better, it is different
Each step down in aperture holds back more and passes less: the nonwoven runs at 1,800 l/m²/sec and the extreme mat at 560. That is a trade, not a ranking. A cloth chosen for a dusty piste is the wrong cloth for a 937 cc twin used on tarmac, where the air is comparatively clean and the engine's appetite is the binding constraint. Pick the medium for the ground under the wheels, not for the smallest number on the page.
What the standard weave is actually for
Road use, and the honest claim that goes with it: this element will not give a standard 939 power you can feel. It replaces a paper panel whose resistance climbs steadily as it fills with one that starts lower and can be returned to that starting point with an air line. Across an ownership that is a steadier engine, not a stronger one. The 937 cc twin held this airbox for three model years, 2016 to 2018, and the intake did not change once in that time.
Care and cleaning
Compressed air, applied to the clean face and worked outwards, handles ordinary servicing. When that is no longer enough, wash the CM61S by hand in warm water with a mild soap, flush it until the water comes away clear, and leave it to dry fully in still air. It must never be dried with heat or over a flame, and it is fitted dry — there is nothing to oil. Downloads carries Sprint Filter's maintenance sheet.
Fitment & Compatibility
Catalogued for the Ducati Hypermotard 939 built from 2016 to 2018. Twenty-four Ducati models take this element in total — see the Fitment tab.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Ducati Scrambler 400 (2016–2021)
- Ducati Monster + ABS 696 (2008–2013)
- Ducati Monster + ABS 795 (2010–2013)
- Ducati Hypermotard 796 (2010–2012)
- Ducati Monster + ABS 796 (2010–2013)
- Ducati Monster 797 (2019–2020)
- Ducati Scrambler 800 (2015–2023)
- Ducati Hyperstrada (2013–2015)
- Ducati Hypermotard 821 (2013–2015)
- Ducati Monster 821 (2019–2020)
- Ducati Hypermotard 939 (2016–2018)
- Ducati SuperSport/S (2017–2020)
- Ducati Hypermotard/RVE/SP (2019–2025)
- Ducati GT (2007–2010)
- Ducati Paul Smart (2006)
- Ducati Sport (2006)
- Ducati Sport S (2007–2010)
- Ducati Hypermotard 1100 (2008–2012)
- Ducati Hypermotard Evo/SP (2010–2012)
- Ducati Monster / S (2009–2010)
- Ducati Monster Evo (2011–2013)
- Ducati Monster Diesel (2013–2014)
- Ducati Monster 1200 (2014–2021)
- Ducati Monster 25° Anniversary (2019)
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Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
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.
Our team will personally help you choose the right gear or part — around 24h for a reply.