Key Specs
About this product
Description
Full model upgrade for the top of the MINI-Z series!
Total balance takes performance to new heights
While retaining elements of the excellent MR-03 layout, the new MR-04EVO2 chassis achieves significant performance improvements with changes to the front suspension and a lower C of G that work in synergy with a sensored brushless motor. Both narrow and wide tread settings are available by changing the lower and upper plates on the front as well as the steering tie rod. Adjustable wheelbase allows chassis setting according to body type.
While camber angle is optimized during cornering with the swing of the current upper arm design, the front suspension uses the new kingpin-integrated knuckle to further improve camber stability. Geometric revision of caster and trail etc. delivers more linear maneuverability. New spec front springs for the MR-04 with different hardness are available as options.
Front knuckle design features integrated kingpin with optimized clearance with the kingpin ball for smoother operation. Ball bearings have been changed to 3mm internal diameter for lower rotational resistance.
All 7 ball bearings are 3mm internal diameter for lower rotational resistance to minimize friction loss.
New potentiometer delivers precision and durability with a completely redesigned steering program to realize the best response and accuracy in the history of the MINI-Z. The more precise steering control program allows various settings using the MR-04’s exclusive I.C.S. software.
Ball differential included as standard optimizes the rotational differences between left and right rear wheels when turning. Also provides moderate slip action to improve traction when excessive load is applied. Silver clear anodized finish to aluminum parts creates a formidable style to match performance.
The new unit also supports high-speed communication with various high-end transmitters and receivers to realize unprecedented control response. Achieves transmission speeds of 0.99ms with KO units (ADV mode) and 0.9ms with Futaba units (EVO2 mode). *Previously 2.6ms ~ 3.0ms
Technical Data
<Technical Data>
– Length 120.6mm
– Width 67~76mm
– Height 35mm
– Motor Mount MM2
– Wheelbase 94.0mm(L)
– Tread(F/R)58.5~65.0mm/61.5~65.0mm
– Tires (F/R) φ25×8.5mm(別売)/φ25×8.5〜11mm(別売)
– Gear Ratio 7.3、6.3、5.5、4.9:1
– Weight 138.0g (ボディ/タイヤ・ホイールは無し)
– Motor KYOSHO SPEED HOUSE / XSPEED 41 (KV4100)
Kit Contents
<Readyset Contents>
– MR-04EVO2-N-MM2 Factory assembled chassis with KYOSHO SPEED HOUSE KV4100 brushless motor
– Parts set for changing front tread
– 6T・7T・8T・9T Pinion gears
– Wheel wrench
– Tools for pinion gears
– Spare wheel nuts
Required For Operation
<Required for Operation>
– Transmitter
– Receiver unit (Compatible with EVO/EVO2)
– ASC
– AAA x 4 batteries for chassis
– Batteries for transmitter
Frequently Asked Questions
This is a kit designed for experienced drivers. It's Kyosho's flagship 1/28th chassis requiring assembly and tuning knowledge to get the best from its adjustable suspension and wheelbase settings.
This is a chassis kit, so you receive the assembled frame, suspension components, sensored brushless motor, and ball differential. You'll need to source a compatible body, transmitter, receiver, battery, and charger separately.
This is a 1/28th scale model, making it a compact mini touring car ideal for indoor tracks and small spaces. It's significantly smaller than 1/10th or 1/16th scale cars.
The MR04 Evo2 features a sensored brushless motor with a 4100kv rating. Higher kv numbers mean higher RPM; this spec provides a balance of speed and torque suited to 1/28th touring car racing.
Yes. The chassis offers adjustable wheelbase settings, switchable narrow and wide tread options via interchangeable front plates, plus a redesigned steering program with precision tuning via the exclusive I.C.S. software for various setup configurations.

Maverick RC Quantum2 XT Flux 1/10th Stadium Truck - Red
Fastrax Tamiya Cw-01 Aluminium Wheel Hubs (Pr)
Kyosho T-Shirt Spring K26 White - 5XL
Maverick RC Radio Tray (Blackout MT)
1:10 EP Crawler CR3.4 "SHERPA" OLIVE RTR
Fastrax Fibreglass Tape 15mm Wide X 20m
HPI Racing Throttle Linkage Set
Hpi Racing Baja 5b Flux SBK Kit
Team Associated 1997 Worlds Rc10b3 T-Shirt - Xx-Large
Team Associated/Reedy Worlds Tour 1993 Sweatshirt - Large
#ROR-010 - Yokomo Rookie Off-Road RO1.0 - 2WD Kit
Fastrax Silicone Fuel Tube 50m Red Uncut Id 2.8MM O.D 5.5
1:8 Buggy BLIZZARD SOFT "V2" pre-mounted yellow (2)
Team Associated Sr7 Hoonicorn Body Set
ABSIMA T-Shirt, XS
Maverick Rc Quantumr Flux 4s 1/8 4wd Muscle Car - Grey
RC Crawler wheels Beadlock Wheels PT-Bullet Black/Red 1.9 (2 pcs)
Maverick Strada DT 1/10 RTR Brushless Electric Rallycross Car
Kyosho Hex Flat Head Screws 4x15mm (10)
Maverick RC XT60 to Tamiya Adapter
Volantex Transmitter-4ch-Eat40 2
Fastrax 1/18th Wooden Box 32x38x67.5mm
Fastrax Extra Long Antenna/Flag Pole 310mm - Black
1:10 Alu. Standard Dampers 110mm (2)
Xfly 64mm Ducted Fan (12-Blade ) W/2840-Kv2300 Motor (6s Version)
Xfly 9g Digital Servo Positive With 200mm Lead
Volantex Transmitter-4ch-Eat40 3 791-1;791-2
MJX Hyper GO 14301 Brushless 1/14 RC Car - High Performance, 4WD Remote Control
Big Shock Springs M 8.0x1.5 L=88mm Blue (2)
MJX Hyper Go 16207 16208 16209 16210 H16H H16E 1/16 R/C Car/truck parts original 2S 7.4V 1050mAh Lipo battery