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2023 KTM 50 SX

2023 KTM 50 SX

The 2023 KTM 50 SX is a true READY TO RACE motocross machine. Built with the same quality, race-bred design, and attention to detail as KTMs bigger bikes, it delivers real performance in a smaller package. With top-quality components and proven durability, this dirt bike is the ultimate choice for young riders starting their motocross journey.
$4,999.00 NZD
$6,599.00 NZD $4,999.00 NZD
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The 2023 KTM 50 SX is built for young riders who are just starting out in motocross but still want a real race bike. It has a small but powerful 49cc two-stroke engine - meaning it delivers strong, punchy power for its size. Unlike adult bikes, it doesn’t have a clutch lever to worry about; instead, it uses an automatic clutch that smoothly delivers power as the rider accelerates. This makes it much easier to ride and learn on. Parents can even adjust the clutch or add a power-reduction kit to make it less powerful for beginners. The engine is also liquid-cooled (like a car), which keeps it running smoothly and prevents it from overheating during long rides.

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The frame of the KTM 50 SX is made from lightweight yet strong steel, giving it a solid feel while keeping the weight low, which is ideal for kids. The suspension (the parts that absorb bumps and jumps) is high-quality and adjustable, just like on a full-size racing bike. It uses air-sprung front forks and an advanced rear shock system that keep the ride comfortable and controlled over rough ground. Both wheels have proper hydraulic disc brakes, giving the rider strong and reliable stopping power. The tyres are from Maxxis, the same brand used by professional racers, so the bike grips well on dirt tracks and trails.

Everything about the KTM 50 SX is designed to make young riders feel confident and comfortable. The seat is low enough for kids to reach the ground easily but high enough to handle off-road bumps. The overall design is sleek and sporty, with bright orange bodywork and race-style graphics that match KTM’s professional motocross bikes. The handlebars are lightweight and have a soft safety pad in the middle, while the footpegs are shaped to stop mud from getting stuck. Even the fuel tank is designed for convenience... small enough to keep the bike light but big enough to last a full day of riding.

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Specification Detail
Engine
Design 1-cylinder, 2-stroke engine
Displacement 49 cm³
Transmission Single-speed automatic
Fuel-mixture generation Dell'Orto PHBG 19 BS
EMS Seletra 2P D36
Clutch primary drive teeth 61
Clutch Centrifugal clutch (adjustable)
Chassis
Frame design Chrome-molybdenum steel central-tube frame
Front brake Disc brake
Rear brake Disc brake
Rear subframe design Steel
Chain 1/2 x 3/16"
Suspension
Front suspension XACT 35 WP upside-down fork, Ø 35 mm
Rear suspension XACT WP PDS mono shock
Suspension travel (front) 205 mm
Suspension travel (rear) 185 mm
Dimensions
Seat height 665 mm
Ground clearance 252 mm
Tank capacity (approx.) 2.3 L
Weight (without fuel) 41.5 kg