Kyosho Mini-Z MR-03 chassis (1/27, 20th Anniversary MR-03EVO) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/kyosho-mini-z-mr-03-chassis/  (sheet CC BY 4.0)
Basis: Secondary source: RC Car Action (Kyosho release) (copy of the maker's figures; the maker publishes none directly)
Catalog version: 2026-10-20

Overall (mm): length 119.5, width 65, height 38
- 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.

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

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- RC Car Action (Kyosho release): Kyosho 20th Anniversary Mini-Z MR-03 chassis — web — Publisher's page; dimensions are facts — https://www.rccaraction.com/?p=339867

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/kyosho-mini-z-mr-03-chassis/index.json
API: https://xemstudio.com/api/geometry?object=kyosho-mini-z-mr-03-chassis