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KTM 50 SX FACTORY EDITION
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KTM 50 SX FACTORY EDITION

The KTM 50 SX FACTORY EDITION is a purebred youth motocross machine built for serious young racers. It brings full-size READY-TO-RACE pedigree down to miniature scale, combining top-tier components and race-inspired details to match growing talent with performance.

Performance & Power At its core is a modern 49.9 cc two-stroke single-cylinder engine employing advanced 3-shaft architecture for ideal mass centralisation and intake geometry. Coupled to an automatic centrifugal multi-disc clutch and Dell’Orto PHBG 19 BS carburettor with a two-stage reed valve, this bike delivers explosive yet manageable acceleration. A digital ignition controls timing precisely across the rev-range, ensuring smoother power output, while optional power-reduction kits allow tuning for beginners or intermediate riders.
Control & Comfort The bike rides on a chromoly steel central-tube frame with optimised flex and torsional rigidity, complete with height-adjustable subframe, bars and bodywork to fine-tune seat height between 634 mm and 682 mm. Suspension comprises a fully adjustable WP XACT AER air fork with 205 mm travel and a matching WP XACT rear monoshock, tuned for balanced damping. A lightweight aluminium handlebar with grey and vulcanised grips, crash pad, and no-dirt foot pegs enhance control and comfort while standing or sitting.
Versatility & Style Styled in Red Bull KTM Factory Racing colours, this edition features eye-catching orange and blue graphics, grey ODI lock-on grips, and an orange factory-tuned seat. Race-grade extras include a full FMF exhaust, CNC-machined Hinson clutch cover, hour meter behind the plate, and a single large radiator for efficient cooling. Lightweight anodised aluminium wheels with Dunlop Geomax MX53 tyres and a hydraulic Formula brake system add professional finishing touches—ideal for competition, track training or honing skills in demanding environments.
SPECIFICATION

PRICE

On The Road Price From £4,599​

ENGINE & TRANSMISSION

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​Design​1-CYLINDER, 2-STROKE ENGINE
​Displacement​49.9 CM³
​Transmission​SINGLE-SPEED AUTOMATIC 
​EMS​DELL'ORTO PHBG 19 BS 
​Engine Oil ​ATF "MOROTEX DEXRON 3" 
Clutch primary drive teeth​61
​Primary Drive ​33:61
​Clutch​CENTRIFUGAL CLUTCH (ADJUSTABLE)
​Engine Cylinder ​SINGLE CYLINDER 
​Engine stroke ​2-STROKE

CHASSIS

Frame DesignCENTRAL-TUBE FRAME WITH DOUBLE-CRADLE
Front Brake DISC BRAKE
Rear Brake ​DISC BRAKE
​Rear subframe design​STEEL / POLYAMIDE GLASS FIBER 
​Chain​415, NON-SEALED
​Front Suspension​XACT 35 WP UPSIDE-DOWN FORK, 0 35 MM 
Rear Suspension​XACT WP MONO SHOCK
​Suspension travel (front) ​200.6 MM
​Suspension travel (rear) 
​190.5 MM 
​Front suspension adjustment ​COMPRESSION AND REBOUND ADJUSTABLE
​Rear suspension setting​COMPRESSION AND REBOUND ADJUSTABLE 

DIMENSIONS & WEIGHTS

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​Seat height 653 MM
​Ground clearance ​233 MM
​Tank capacity (approx.)​2.3 L

FUEL CONSUMPTION

    

STANDARD EQUIPMENT

  

OPTIONAL EQUIPMENT

   

OPTIONAL ACCESSORIES

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