
The facts.
| Brand | Carbonin |
|---|---|
| Part number | 3DY20066 |
| Component | Air box inlet tube, short |
| Manufacture | 3D printed |
| Range | One of three lengths — long 3DY20064, central 3DY20065, short |
| Holder | IN2004Y (sold separately) |
| Fitment | Yamaha R9 (2024-2026) |
| Road approval | None supplied — closed-course competition use |
DescriptionThe whole story▼
The short tube is the third of Carbonin's three intake options for the R9, and the one that takes up the least room behind the cowl.
Key Features
- Shortest of the three R9 intake tube lengths
- Additive manufacture, no internal seam
- Least intrusive of the three in the space behind the front bodywork
- Held by the IN2004Y stainless bracket
- Ordered individually
Room Behind the Cowl Is Finite
Once a bike is running a race cowl, a dashboard on its own holder, a steering damper and whatever data logging the team uses, the space in front of the airbox stops being generous. That is a practical reason to choose a shorter duct that has nothing to do with resonance: it leaves room for everything else and makes the front of the bike quicker to work on. Teams building a bike for endurance, where the front comes off repeatedly, tend to weigh that more heavily than a sprint-race team would.
Keep the Ones You Are Not Running
Because the three lengths are alternatives rather than a set, a bike that has tried more than one ends up with spares in a box. They are worth keeping. Intake length is one of the few configuration choices that is genuinely circuit-dependent, and a team that has already bought two tubes can swap between them in the time it takes to get the cowl off — which is a cheaper way to find an answer than reasoning about it.
Choosing Between the Three
The three lengths are alternatives, not a set — one duct is fitted, not all of them. Carbonin publish no selection guidance, so if you want a recommendation rather than a guess, tell us the airbox and exhaust configuration and we will ask them directly before the order is placed.
Fitment
For the Yamaha R9, 2024 to 2026.
Road Approval
Supplied without approval documentation, for closed-course use.
Specifications
- Brand: Carbonin
- Part number: 3DY20066
- Component: Air box inlet tube, short
- Manufacture: 3D printed
- Range: One of three lengths — long 3DY20064, central 3DY20065, short
- Holder: IN2004Y (sold separately)
- Fitment: Yamaha R9 (2024-2026)
- Road approval: None supplied — closed-course competition use
FitmentWhich bikes this fits▼
- Yamaha R9 (2024–2026)
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