October 29, 2025

Mugen Seiki MRX7 Onroad Car

With the IFMAR 1:8 Onroad World Championship just a month away and their factory driver Simon Kurzbuch one of the title favourites for Chile, Mugen Seiki has unveiled their latest 1:8 Onroad car, the MRX7.  Using prototype of the Japanese manufacturer’s car, Kurzbuch was able to secure the TQ and runner-up tspot at the EFRA European Championship.  The MRX7 has been fully adapted to the current requirements of the category and incorporates a few parts from its successful predecessor – Shoki Takahata winning the 2019 World title in the USA with a prototype of the MRX6.  The Japanese driver is another who will fight for the title at the impressive CACH track in Santiago in early December.  Mugen Seiki said that having spent a lot of time testing, rethinking existing parts the MRX7  has new suspension geometry and improved weight distribution.

Features of the new MRX7 kit

Chassis:
New aluminium chassis with lower motor position and additional side brace to keep strength
Multiple areas to add weight
Slim beautiful lower deck design
Battery back under the fuel tank
New way to mount the exhaust with possibility to fix super soft in order or reduce vibrations

Bumper:
New front bumper shape adjusted to current bodyshells
Also available as a harder optional version

Fuel tank:
New fuel tank to improve engine consistency and maximal size to adjust with volume inserts

Drivetrain:
All pulleys fixed by screws instead of E-clip to improve reliability
Reduced overall weight with using analuminum gear shaft
Possibility to use the front one-way and rear solid axle in a lower and higher position
Front belt runs in center position

Body mount:
New lightweight carbon body mount fixed by height adjustable arms using a turnbuckle system
Areas to add additional guides to stiffen lightweight bodyshells
New front body post with better position for clips

Suspension:
New front suspension geometry to use a narrow track width
Front wheelbase adjustable
New rear uprights with aluminium inserts possible to adjust in its position
Modern way to mount front dampers

Electronics:
New lower positioned radio tray reducing COG

Source: Mugen Seiki [mugenseiki.com]



Usage

If you republish any elements from this page on another website, including text, original pictures or results please be sure to add a link back to this page as the source:

Mibosport
VP Racing
T-Works