# Kyosho Mini-Z MR-03 chassis (1/27, 20th Anniversary MR-03EVO)

> What are the dimensions of the Kyosho Mini-Z MR-03 chassis?

- Category: RC cars › Mini & micro vehicles
- Kind: Modern device
- Basis: Secondary source: RC Car Action (Kyosho release) (copy of the maker's figures; the maker publishes none directly)
- Page: https://xemstudio.com/objects/kyosho-mini-z-mr-03-chassis/ · JSON: https://xemstudio.com/api/geometry?object=kyosho-mini-z-mr-03-chassis · Plain text: https://xemstudio.com/objects/kyosho-mini-z-mr-03-chassis/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 119.5 | 65 | 38 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- The MR-03 is Kyosho's 1/27 Mini-Z rear-drive chassis. The file is its 119.5 × 65 × 38 mm envelope at the widest setting.
- Numbers are from Kyosho's 20th Anniversary MR-03 chassis release as reprinted by RC Car Action; other wheelbase settings are not modelled.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

## Sizes

| dimension | value |
|---|---|
| Length | 119.5 mm |
| Width | 65–46 mm (adjustable) |
| Height | 38 mm |
| Wheelbase | 94.0 mm (L) |
| Tread | front 61.5–65.0 mm, rear 61.5–65.0 mm |
| Weight | 140 g with battery, without body / tires / wheels |
| Tires | front 25 × 8.5 mm; rear 25 × 8.5–11 mm |

## Where the files are

- RC Car Action (Kyosho release): [Kyosho 20th Anniversary Mini-Z MR-03 chassis](https://www.rccaraction.com/?p=339867) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/kyosho-mini-z-mr-03-chassis/index.json

- kyosho-mini-z-mr-03-chassis-envelope: [STEP](https://xemstudio.com/files/hardware/kyosho-mini-z-mr-03-chassis/kyosho-mini-z-mr-03-chassis-envelope.step) · [STL](https://xemstudio.com/files/hardware/kyosho-mini-z-mr-03-chassis/kyosho-mini-z-mr-03-chassis-envelope.stl) — Envelope 119.5 × 65 × 38 mm (Chassis only; width is adjustable 46–65 mm, file uses the widest setting)

## Questions

**What size tires does the Mini-Z MR-03 use?**

25 mm diameter tires, 8.5 mm wide front and 8.5–11 mm wide rear.

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