The facts.
DescriptionThe whole story▼
Look at what else this element fits and the Scrambler 400 starts to look unusual. CM61S is catalogued for twenty-four Ducatis, from this 399 cc twin up to the 1198 cc Monster — a three-to-one spread in displacement through one and the same airbox. An element has to be specified so that the thirstiest machine on that list is still properly served, which means the smallest one is drawing through far more cloth than it strictly needs. That is a comfortable position to be in, and worth understanding before you spend anything on a service part.
Key Features
- Woven polyester that runs dry — no oil is used on it at any stage
- Around twice the medium area you would find in other performance filters
- Threads from ø 22 microns, woven to a set aperture instead of pressed out of pulp
- Goes straight into the series airbox in place of the paper panel; fuelling and homologation are untouched
- Cleaned and refitted rather than thrown away — an air line does most services
- Two years of cover from the day you buy it
An engine built to a ceiling
A 399 cc twin exists because a licence class exists, and a manufacturer working to a power ceiling has already spent whatever headroom the design had. Nothing is held back in reserve. Restriction in the intake is therefore not absorbed somewhere — it comes straight off the part of the rev range this bike is actually ridden in. Be clear about the size of the effect, though: swapping a filter does not make a standard motorcycle noticeably stronger, and anyone promising that is describing something else.
Why the spare capacity matters here
Pressure drop across a filter is not a fixed tax. It climbs as more air is pulled through, and it climbs again as dirt fills the cloth. A medium sized for a much larger engine spends its whole life on this bike at a small fraction of what it can pass, so the drop stays low and moves slowly. Add the washing and it returns to where it began instead of drifting quietly away from it.
Care and cleaning
Most services need nothing but an air line: aim it at the clean face and blow outwards, against the direction the engine pulls. After a bad winter, warm water and a drop of washing-up liquid will finish the job — flush until the run-off is clear, then leave it somewhere airy until dry all the way through. Keep heat away entirely: no hairdryer, no oven, no flame. It goes back in dry, and there is no oiling step to remember. The CM61S service sheet sits under Downloads.
Fitment & Compatibility
This listing is for the Ducati Scrambler 400 built from 2016 to 2021. The same CM61S serves twenty-four machines across the Scrambler, Monster, Hypermotard, SuperSport and SportClassic ranges; the whole list sits under Fitment.
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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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.