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KTM 50 SX

WINNING STARTS HERE
KTM 50 SX Overview
When the next step up is into the 50cc class, there is no better option than the most powerful 50cc out there. For 2025, the KTM 50 SX is built around an advanced steel frame, housing a powerful engine, a 35mm WP XACT AER fork, a WP XACT monoshock, and an advanced hydraulic Formula brake system. Simply put - it's the most advanced and READY TO RACE 50 cc mini-crosser available to your little racer.
COLOURS and EDITIONS
ENGINE
CHASSIS
DIMENSIONS
Colour Options KTM 50 SX 2025
Orange 50 SX
Orange 50 SX Orange
Engine Specifications KTM 50 SX 2025

ENGINE TYPE
1-cylinder, 2-stroke engine

DISPLACEMENT
49 cm³

BORE X STROKE
39.5 mmx40 mm

COMPRESSION RATION
0

RATED OUTPUT
5kw

AIR FILTER
-

MAX. TORQUE
-

LUBRICATION
Oil-mixture lubrication 1:60

FUEL SUPPL
battery

EXHAUST SYSTEM
Aluminium

CERTIFICATION
Other

ELECTRICAL SYSTEM
-

CLUTCH
Centrifugal clutch (adjustable)

GEARBOX
Automatic

FINAL DRIVE
Chain

IGNITION
-

COOLING SYSTEM
Liquid cooled

BATTERY
21Ah

SPARK PLUG
-

STARTING
Kick

GEAR RATIO
-

PRIMARY DRIVE
-

ENGINE OIL
-

Chassis Specifications KTM 50 SX 2025

FRAME
Central-tube frame with double-cradle

FRONT SUSPENSION
XACT 35 WP Upside-Down fork, Ø 35 mm

FRONT SUSPENSION STROKE
205 mm

FRONT BRAKE
160mm

REAR SUSPENSION
XACT WP mono shock

REAR SUSPENSION STROKE
185mm

REAR BRAKE
160mm

FRONT RIM TYPE
Spoked wheels with aluminium rims

REAR RIM TYPE
Spoked wheels with aluminium rims

REAR RIM DIMENSION
12''

FRONT TYRE
-

REAR TYRE
-

HEADLIGHT LAMP
-

TAILLIGHT LAMP
-

Dimension Specifications KTM 50 SX 2025
Dimensions 50 SX

LENGTH
-

WIDTH
-

HEIGHT
-

GROUND CLEARANCE
233mm

UNLADEN WEIGHT
42.5kg

PERMITTED TOTAL WEIGHT
-

USABABLE TANK VOLUME
-

RESERVE
-

WHEELBASE
-

SEAT HEIGHT
653MM

KTM 50 SX Finance
KTM 50 SX Features
KTM 50 SX 2025

ADJUSTABILITY
Different adjustability options were built into the 2025 KTM 50 SX construction using scientific statistical data and young racers' input data. Finding the right fit for your little ripper is easy thanks to height-adjustable suspension, handlebar position, subframe, and bodywork, taking the seat height from a low setting of 634mm to a taller setting of 682mm.

KTM 50 SX 2025

CARBURETOR
A proven Dell'Orto type PHBG 19 BS carburetor takes prime position in producing the goods in the 2025 KTM 50 SX, with updated settings that work perfectly in harmony with the new engine, exhaust, and air intake design.

KTM 50 SX 2025

PERFORMANCE
The 2025 KTM 50 SX features a modern and compact engine using the latest 2-stroke technology. Using a 3-shaft design, the crankshaft is positioned near the center of gravity, which not only benefits mass centralization but also creates the ideal intake angle into the reed valve for top-level performance. An independent cylinder blank allows for a completely new cylinder design, with increased power.

KTM 50 SX 2025

TANK
The KTM 50 SX is ready to fuel the fire in your little ripper with an updated tank design to compliment the new frame concept and bodywork.

KTM 50 SX 2025

AIRBOX AND FILTER
An all-new airbox concept features a conventional suction sleeve made from a hard-wearing polyamide instead of rubber and a Twin Air filter mounting system that now features snap locks for easy and intuitive mounting. The Twin Air filter is also placed under the seat and is easily accessible without any tools by simply removing the seat. It also features improved dirt intrusion resistance, with no more dirt falling into the intake tract when changing the filter.

KTM 50 SX 2025

HANDLEBARS & GRIPS
Hold on tight! The high-quality, tapered, black handlebar is made of lightweight aluminum alloy and ensures top stability, vibration damping, and control. An entirely new bend and profile is designed specifically to meet the needs of young riders, with ODI grips on the left, and a vulcanized ODI grip on the right-side throttle assembly, adding to the overall quality. A crash pad on the handlebar protects the rider from any rough contact or impact with the bars.

KTM 50 SX 2025

WHEELS AND TYRES
Rolling off the race rig and into the pit lane, the 2025 KTM 50 SX uses lightweight, black anodized, aluminum rims just like the full-size KTM SX range. These provide the highest levels of strength and reliability, while MAXXIS MX-ST tires deliver outstanding performance on any terrain, along with exceptional straight-line stability.

KTM 50 SX 2025

FOOTPEGS
All-new, "no-dirt" footrests offer a bigger surface area for improved grip while standing on the pegs, and are less susceptible to hooking up in deep ruts, take-offs when scrubbing, or track barriers.

KTM 50 SX 2025

EXHAUST
A completely new exhaust system, features the same manufacturing process as the full-size 2-stroke KTM SX range, with improved overall quality and performance. This has resulted in massive improvements in thermodynamics. Moreover, improved sealing of the silencer end cap and a new rubber between the header pipe and silencer adds another level of quality to the new exhaust system. The silencer has also been updated and now comes with a black anodized finish and a signature 'Braaaaap!'.

Why Millenium Motorcycles

We're here for whatever you need
Years Of Experience
New or Used.We have a range 50cc 125cc,200cc,300cc,500cc and 650cc engines in bikes and scooters with a History of technological innovation and environmental sustainability, Models such as Motard and Enduro,naked and twist and go scooters like Royal...
Financing Available on conventional HP or PCP
We offer financing for the purchase of new and used motorcycles and scooters. Up to 60 monthly installments with a low deposit, or to suit your needs.
CBT, A2 and full licences catered for.
Our stock is extensive from the Power houses of Kawasaki and Suzuki to the retro with a modern twist of Royal Enfield sitting with the fantastic value for money Benelli range, introducing the new manufacturers of Voge and MBP into the country, and no...
2 Years Warranty on all motorcycles and scooters
All of our new models are subject to full manufacturers warrenty (length determind by the manufacturer), and all our used bikes are subject to full pre delivery inspection which will include replacement parts for anything which isnt deemed to be of t...

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