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Scooter Air Ducts and Intake Scoops: 3D Models

This collection gathers STL files for scooter and motorcycle air paths: intake ducts, radiator scoops, covers and duct adapters, along with related parts for quads and cars. Every listing comes from a different author, so scale, wall thickness and mounting points vary from one model to the next. It is useful when a stock plastic part is cracked or when you want to change how air reaches an engine or radiator. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。

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このコレクションは、Polyzonが対応サイトの検索結果をもとに作成しています。重複やプレビューのないモデルは除外し、関連性の低いものは後ろに回し、それ以外は検索結果の順に並べています。モデルの権利は各作者にあります。利用条件は各モデルのページでご確認ください。

選定基準：Polyzon編集部 · 本文の更新日：2026年10月15日

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«Scooter Air Ducts and Intake Scoops: 3D Models»

Intake ducts and covers make up most of the reference: they range from simple scoops that sit over a panel to multi-part ducts that route air through the frame. Radiator scoops are usually larger shells with a shaped opening, while funnels and adapters are small parts that join a duct to a filter or hose. Ventilation pieces for riding jackets also appear, and they follow a different logic — slotted or flexible panels rather than rigid air channels.

Before printing, open the model page and read the size and scale the author gives, because a duct shaped for one body will not match another. Look at the number of parts and how they join, whether supports are needed, and which material and settings are listed, since thin duct walls behave differently in different filaments. Photos of real prints are the most useful thing to compare against your own setup.

Search wording matters here: "air duct", "intake scoop", "radiator scoop", "air box cover" and "duct adapter" return different sets, and adding a body style or engine size narrows the list. Related terms worth trying are cooling shroud, fan duct, carburetor intake and panel vent, because authors label similar parts in different ways.

FAQ

よくある質問

What is the difference between an air duct and an air scoop?
A scoop is usually an external shell that catches air at speed, while a duct is the channel that carries it onward. Some models combine both shapes in a single part.
How do I judge whether a duct matches my scooter?
Compare the dimensions and mounting points on the model page with the part on your machine. Scale can be adjusted before printing, but bolt spacing and hole positions cannot be changed easily.
Do these parts need supports?
It depends on the shape. Shells with overhanging openings often need them, while flat covers may not; the author's page usually states what was used.
Can a duct be printed in any material?
Materials differ in heat resistance and stiffness, and parts near an engine or radiator see higher temperatures. Check the material the author lists and what your printer is set up for.
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