Motocross 140cc IMR MX140 17/14

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€1,089.90

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Product info

Discover the Motocross 140cc IMR MX140 17/14, a 4-stroke machine that combines smooth power and immediate torque for unforgettable riding sensations. Its premium tubular chassis, adjustable suspensions, and 220/190 mm disc brakes guarantee safety and control in every turn. With XtremRS, benefit from a 2-year warranty, dedicated customer service, and expert advice for a worry-free motocross experience. Ready to dominate the tracks? The MX140 17/14 is waiting for you, ready to transform every ride into an exhilarating adventure.

IMR

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Product details

Motocross 140cc 17/14: a torquey and reliable 4-stroke engine

The heart of this Motocross 140cc 17/14 beats to the rhythm of a 140cc 4-stroke single-cylinder engine, air and oil-cooled, producing 14 hp. This architecture prioritizes low and mid-range torque, offering a sharp and usable response as soon as the throttle is opened, ideal for learning gear shifts as well as leisure riding on the track. The oil bath lubrication ensures superior mechanical longevity compared to 2-strokes, with maintenance reduced to regular oil changes—a simple operation that our XtremRS technicians master perfectly to support you over the long term.

Kick-start of the Motocross 140cc 17/14: simplicity and lightness

True to the pure off-road spirit, the Motocross 140cc 17/14 is equipped exclusively with a kick-start. This technical choice eliminates the weight and complexity of an electric starter, its battery, and its wiring harness, for a reduced weight and increased reliability in extreme conditions. A sharp kick, a well-felt decompression, and the single-cylinder comes to life instantly. It is also the assurance that you will never be stuck by a discharged battery deep in the woods: mechanics remain king.

IMR tubular chassis of the Motocross 140cc 17/14: rigor and ergonomics

The Motocross 140cc 17/14 is based on a specific IMR tubular chassis, coupled with a branded stamped steel swingarm. This structure ensures controlled torsional rigidity, a guarantee of precision in sequences and stability in a straight line. With a wheelbase of 1230 mm and a seat height of 820 mm, the geometry is designed for teenagers and adults, offering a central riding position with well-bent knees for total control of the machine. The frame finish reflects the care given to welds and reinforcements, a guarantee of robustness against the stresses of motocross.

Suspensions of the Motocross 140cc 17/14: rear adjustment for precise riding

Regarding damping, the Motocross 140cc 17/14 features a non-adjustable front fork, calibrated to effectively absorb successive bumps and standard jump landings. The major asset is at the rear: the shock absorber has adjustable spring preload. This adjustment allows the suspension hardness to be adapted to the rider's weight—from approximately 60 to 90 kg—and the type of terrain, avoiding violent bottoming out or excessive pumping. A simple adjustment, accessible without specific tools, which transforms the bike's behavior according to your morphology.

Disc braking of the Motocross 140cc 17/14: bite and endurance

The active safety of the Motocross 140cc 17/14 relies on all-disc braking: 220 mm at the front, 190 mm at the rear. This sizing generates a powerful and progressive bite, essential for braking late at the corner entry or dosing grip on slippery terrain. The opposed-piston calipers ensure an even distribution of pressure on the pads, limiting premature wear and overheating during intensive use. Remember to check the thickness of the linings and the DOT 4 fluid level before each session: XtremRS offers the appropriate maintenance kits to ensure braking is always ready.

17/14 inch wheels of the Motocross 140cc 17/14: large-format stability

The "big wheels" format, 17 inches at the front and 14 inches at the rear, defines the DNA of this Motocross 140cc 17/14. The steel rims, robust and repairable, withstand impacts without warping. The large front diameter crosses ruts and roots with reassuring inertia, while the wide 14-inch rear wheel promotes traction and stability under acceleration. This wheel standard opens access to a wide range of motocross tires (MX, enduro, or mixed types), allowing you to optimize grip according to the soil, sand, or mud of your favorite circuit.

1. Who is this Motocross 140cc 17/14 intended for?

With its seat height of 820 mm and wheelbase of 1230 mm, this IMR MX 140cc 17/14 is suitable for tall teenagers and adults looking for a fun and maneuverable machine. Its 14 hp 4-stroke engine offers progressive power, ideal for perfecting technique on the track or for leisure off-roading, without the intimidation of a 250cc. The 17" front / 14" rear wheel format ensures reassuring stability for an adult size.

2. What are the characteristics of the 140cc 4-stroke engine?

It is a 140cc air and oil-cooled single-cylinder engine, producing 14 hp. The 4-stroke architecture guarantees a linear torque curve and recognized reliability for regular use. Ignition is exclusively via kick-start, which simplifies maintenance—no battery, no electric starter to maintain—and lightens the overall weight.

3. How does the 4-speed manual gearbox perform?

The 4-speed manual gearbox allows for full exploitation of the 140cc's RPM range. The gears are spaced to provide low-end pickup and high-end extension, which is a major asset on fast sections as well as in trial riding. Gear shifts are done with the foot, left lever, as on a standard motocross bike, for realistic learning.

4. Are the suspensions suitable for sporty use?

The rear shock absorber is adjustable in preload, allowing you to adapt the sag to your weight and riding style—a strong point for a machine in this category. The front fork, although non-adjustable, is sized to handle series of bumps and moderate jump landings. The combination of the IMR tubular chassis + steel swingarm provides healthy torsional rigidity for precision.

5. Is the braking sufficient for track use?

Yes, the double disc (220 mm front, 190 mm rear) provides a powerful and enduring bite. The 220 mm front disc handles the bulk of the braking with progressivity, while the 190 mm rear stabilizes the machine at the corner entry. It is high-performance standard equipment for the weight and speed of this 140cc.

6. What is the advantage of 17" front and 14" rear steel wheels?

This "17/14" diameter is the reference for the adult pit bike / mini cross segment. The 17" front wheel crosses ruts and roots more easily than a 14", while the 14" rear wheel lowers the center of gravity and promotes traction. Steel rims resist lateral shocks and can be easily straightened in case of slight warping.

7. What warranty and after-sales service does XtremRS offer?

You benefit from the 2-year legal warranty (excluding consumables: tires, pads, chain, chain kit, oils, and safety equipment such as helmets/gloves). If needed, our technical service has IMR spare parts (chassis, plastics, standard 140cc engine parts) for rapid intervention.

8. How is the delivery of this complete vehicle handled?

Delivery is free (for vehicles > €500) within 5 to 8 working days, by appointment. The carrier will contact you to agree on a time slot. The bike arrives assembled, oiled, with fluids in place: you only need to check the tire pressure, engine oil level, and chain slack before the first outing.

9. Is online payment secure?

Absolutely. All payments are protected by the 3D Secure protocol (strong authentication via your bank: SMS, banking app, secret code). No banking details pass through our servers.

10. What maintenance is required for this 140cc 4-stroke?

Maintenance remains simple and inexpensive: engine oil change (centrifugal filter to be cleaned), air filter cleaning, chain lubrication/tensioning, pad and tire pressure checks. The air/oil 4-stroke engine has no coolant to monitor. Precise intervals are listed in the provided manufacturer's manual.

The use of Pitbikes / Dirt bikes / Quads is strictly prohibited on public roads. The use of a Dirt bike, Pit bike, or Quad type vehicle must be done on terrain suitable for the activity (circuits, private land).
The user must wear appropriate protective equipment and be under the supervision of an adult.
The purchase of a Dirt bike, Pit bike, or Quad type vehicle by a minor over 14 years old is carried out under the responsibility of an adult. Only one user may ride the vehicle.
Purchases on the XtremRS site must be made by an adult.
Warning: Dirt bike / Pit bike / Quad / Pocket quad vehicles are motorized machines and not toys.
It is recommended to have assembly and maintenance performed by a professional. We recommend users check the condition of the vehicle before and after each use.

General

Brand IMR
Reference IMP-8462

Features

Engine Thermique 4 Temps
Front Wheel Size 17"
Rear Wheel Size 14"
Engine displacement 140cc
Power 13.9 CV
Brake Type Freins à Disques Hydraulique
Cooling Par Air
Transmission Chaine
Seat height 820
Wheelbase 1230
Starter Type Kick
Gearbox 4 Rapports

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