MINICROSS MX50 9hp IMR REPLICA KTM 50cc 12/10
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Product details
The IMR KTM Replica 9hp 50cc MINICROSS: an inspiring entry into the track for young riders
Give your child the authentic off-road thrills with this 9hp MINICROSS by IMR, a faithful replica of the iconic KTM. Designed for 6-12 year olds, it combines a racing look, neat finishes, and an adapted geometry (seat height 610 mm, wheelbase 915 mm) for an immediate and reassuring grip. At XtremRS, we select robust, ready-to-ride models, supported by our expert customer service and streamlined logistics for free delivery within 24/72 hours in France and Portugal.

Engine of the 9hp 50cc MINICROSS: a reliable and easy-to-maintain air-cooled 2-stroke 9 hp engine
This 50 cc 2-stroke single-cylinder engine develops 9 hp at 9,500 rpm thanks to a high-performance CDI ignition, offering linear power ideal for learning. The 1.5-2% fuel/oil supply ensures constant lubrication of the crankshaft, guaranteeing longevity. The kick-start, classic and battery-free, introduces the young rider to essential mechanical actions. To prolong the life of this block, follow our 49 cc 2-stroke engine maintenance recommendations: regular spark plug checks, air filter cleaning, and compliance with the oil dosage specified by the manufacturer.
Transmission of the 9hp 50cc MINICROSS: automatic by 420 chain, simplicity and safety
The centrifugal clutch manages the gears without a handlebar lever: the child focuses on balance and trajectory, with no risk of stalling. The robust and standard 420 pitch transmission chain makes it easy to replace sprockets to adjust the ratio according to the terrain. Check tension and lubrication before each ride; a well-maintained chain kit guarantees optimal responsiveness and protects the gearbox output sprocket, a point of vigilance shared by our workshop technicians.


Suspensions of the 9hp 50cc MINICROSS: hydraulic inverted fork and 270 mm shock absorber for absorption
The front features an inverted fork with hydraulic cartridges, a guarantee of torsional rigidity and progressiveness during heavy braking. The rear relies on a 270 mm mono-shock absorber, adjustable for preload, capable of handling jump landings and ruts. This duo, anchored to a perimeter-type tubular frame, offers reassuring directional stability as you approach the timed 75 km/h. Visual checks of the oil seals and oil level every 10 hours of riding keep the travel performance optimal.
Braking of the 9hp 50cc MINICROSS: dual hydraulic disc, controlled power for small hands
Front and rear discs operated by hydraulic master cylinders: the bite is immediate, the dosage progressive, even with reduced lever force. This system inspires confidence from the very first descents and limits forearm fatigue. Bleed the circuit annually with fresh DOT 4 fluid and monitor pad thickness; our safety guides for 6-10 year old riders emphasize the importance of healthy braking to approach corners with peace of mind.


Tyres of the 9hp 50cc MINICROSS: 12-inch front / 10-inch rear knobby tyres, all-terrain grip
The running gear combines a 60/100-12 at the front for precise steering and an 80/100-10 at the rear for driving traction. The aggressive tread pattern bites into loose earth, hardened sand, or thick grass, while clearing mud. These standard dimensions ensure a wide choice of replacements at XtremRS. Adjust the pressure (0.5 to 0.8 bar depending on the terrain) to maximize the contact patch and protect the spoked rims from severe impacts.
Performance of the 9hp 50cc MINICROSS: 41 kg, 75 km/h top speed, 6-12 years ergonomics to progress quickly
At just 41 kg dry with a payload of 150 kg, this 9hp 50cc MINICROSS remains easy to handle whether pushing, carrying, or in tight turns. The 22 mm aluminum handlebar absorbs vibrations and positions controls within fingertip reach. The announced top speed of 75 km/h remains theoretical (depending on the final ratio, rider weight, and terrain); in actual use, the child mainly exploits the low-mid range torque to clear obstacles. Compact dimensions (1280 x 640 x 820 mm): it easily fits into an estate car trunk. Order with peace of mind: free delivery, available spare parts, and XtremRS expertise at your disposal for every service.

General
- Brand IMR
- Reference 3500RJ
Features
- Engine Thermique 2 Temps
- Front Wheel Size 12"
- Rear Wheel Size 10"
- Engine displacement 50cc
- Power 8.9 CV
- Brake Type Freins à Disques Hydraulique
- Cooling Par Air
- Clutch Automatique
- Transmission Chaine
- Net Weight 41
- Seat height 610
- Wheelbase 915
- Starter Type Electrique