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Motocross Mini MX Big S 250cc 18"/21"
The new Big S MX 250cc from Mini MX 2025 edition will captivate you with its wheels in 18"/21" inches;
Its seat height is 92cm with a hydraulic fork of 840mm at 51/54mm inverted and adjustable with 180 mm of travel, its shock absorber is 345mm 1000LBS.
The brake and clutch levers are adjustable and it comes with Pro Taper style grips.
Its braking system consists of two 240mm brake discs clamped by a double piston at the front and a single piston at the rear.
Its stainless steel cartridge will delight your ears!
Its 250cc vertical 4-stroke air-cooled engine comes from the series used on the CRZ brand ERZ model, equipped with a new stainless steel cartridge and its new exhaust line it will boost the engine with about 1 additional hp.
Intended for experienced riders, it is not to be put in just any hands. Mini MX is releasing an ideal bike for cross use and enduro rides.
Not approved for public roads. Motorized vehicle intended exclusively for recreational and sporting use.
Assembly:
All our vehicles are delivered pre-assembled on a pallet by a specialized carrier.
You will only need to finish assembling a few easy parts (Handlebar, front wheel, shock absorber axle (2 screws)...).
Once the assembly is complete, if the factory settings are not entirely suited to your environment, we invite you to check our YouTube channel (Mini MX) where you will find both mechanical tutorials and vehicle assembly videos. Our Workshop remains at your full disposal to support you throughout your experience at 09.72.39.05.37 (Free Call), by email [email protected], or via online chat.
YouTube channel link : https://www.youtube.com/@MiniMX_
Important information: The oil contained in the engine is storage oil; it is imperative to change it upon vehicle arrival.
We recommend the IPONE or Putoline maintenance packs:
| Putoline | Ipone |
| PUTOLINE 4T 10w40 Semi-Synthetic DX4 1L Engine Oil | IPONE 10.4 4T 10W40 1L Engine Oil |
| PUTOLINE 500 ml Carburetor Cleaner Spray | X-TREM Chain Grease IPONE 500ml Off Road |
| PUTOLINE Spray 500 ml Drytec Chain Lubricant | / |
| Kick Start Size | 16mm (Big Size) |
|---|---|
| Engine Type | Single cylinder 250cc ZONGSHEN 4 Stroke |
| Engine Capacity | 250cc |
| Cooling Type | Air Cooling |
| Bore | 65.5x68.2mm |
| Carburator | Carburetor PE 28 |
| Clutch | Manuel 5 Vitesses (1N2345) Multiplaque à bain d'huile |
| Start Up | Kick and electric starter |
| Exaust | INOX Racing Exhaust (BIG 250/300) |
| Fuel | Unleaded 95 / 98 |
| Clutch Type | Manual |
| Exaust Size | 42mm |
|---|---|
| Ignition | CDI |
| Motorization | Thermal (gasoline) |
| Speed KM/H | 110 and more km/h |
| Number of CVs | 17hp |
| Compression Ratio | 9.0:1 |
| Maximum torque | 17/5500Nm/trs/min |
| Maximum Power | 12Kw/7000trs/min |
| 4 Stroke / 2 Stroke | 4 Stroke |
| Displacement (ml) | 223 |
| Frame | High Tensile Steel Frame with Central Tube |
|---|---|
| Plastic Kit | new |
| Oil Engine Capacity | 900 ml |
| Fuel Tank Capacity | 7,5 Liters |
|---|---|
| Cycle Part | CRZ MMX BIG 250/300cc |
| Weight | 103Kg |
|---|---|
| Seat Height | 94 cm |
| Select by age | 16 year, 15 year, 17 year, 18 year and more |
| Allowed weight | 180Kg |
| Ground clearance | 35 cm |
|---|---|
| Age group | Adults |
| Select your size CM | 1m65 and more (For Adults) |
| Front Fork | VSHOCK 830mm (51/54mm) Inverted Hydraulic Fork
KKE 830mm Adjustable Inverted Hydraulic Fork, 180mm Travel (51/53mm) |
|---|---|
| Rear Shock | VSHOCK 450mm shock absorber, 90mm travel |
| Clamp | Aluminium - Ø45/48mm |
|---|---|
| Handle Bar | 28,6mm |
| Brake System Front and Rear | Double Piston Front Brake, Single Piston Rear Brake (Hydraulic) |
|---|---|
| Disc Diameter | new |
| Front Disc Diameter | new |
|---|---|
| Center distance Fixation Disc | 58mm |
| Wheel Axle | 15mm |
|---|---|
| Rear and Front Wheel | Front Aluminum Rims 1.60 x 21" (15mm Axle)
2.15 x 18" Aluminum Rear Rim (15mm Axle) |
| Wheel Size | 18"/21" |
| Rear tire | 90/100-18" |
|---|---|
| Front tire | 70/100-21" |
| Rims | Steel |
| Transmission | 5 Speeds (1N2345) |
|---|---|
| Chain Size | 520 |
| Sprocket Size | 17mm |
| Chain length (links) | 124 Links |
| Interaxis Fixation Crown | 58mm |
|---|---|
| Number of teeth Sprocket | 13 teeth |
| Number of teeth Crown | 47 teeth |
| Wheelbase | 1320mm |
| Battery Ampere/hour | 12V5AH |
|---|
| HandleBar | Tapered Aluminum 6061 |
|---|
| Color | Red |
|---|---|
| Warranty | 1 month Engine (Running-in period) 3 months cycle part |
| Brand | Mini MX |
| Vintage | 2026 |
| Seat | KTM-L |
| Type of bike | Motocross |
|---|---|
| Type of use | Non homologué pour la voie publique. Véhicule motorisé destiné exclusivement à un usage récréatif et sportif. |
| Shipping origin | France |
| Delivery Label | Motocross 1 |
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