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KTM 85 SX 17/14
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KTM 85 SX 17/14

The KTM 85 SX 17/14 is a competitive youth motocross machine tailored for aspiring racers stepping up from beginner models. Built for performance and progression, it offers the power, precision, and READY-TO-RACE pedigree essential for serious young riders ready to make their mark.
 Performance & Power At its core lies a liquid-cooled, 84.9 cc two-stroke single-cylinder engine featuring a six-speed gearbox. Power delivery is sharpened by a sophisticated Keihin PWK 28 carburettor and a Formula-hydraulic wet multi-disc clutch, ensuring sharp throttle response and seamless gear transitions. Precision-engineered bore and stroke dimensions (47 mm × 48.95 mm) produce lively acceleration and strong mid-range punch, ideal for honing competitive throttle and clutch skills.
Control & Comfort Chassis and suspension technology draw heavily from KTM’s full-size models. A chromoly steel central-tube frame and glass-fibre-reinforced polyamide subframe create a lightweight yet rigid platform. The adjustable WP XACT 43 mm upside-down air fork delivers 278 mm of travel, paired with a WP PDS mono-shock offering 289 mm—both fully tunable for damping. Strong stopping power comes via 240 mm front and 220 mm rear disc brakes, while the 17-inch front and 14-inch rear wheels framed by Maxxis MX-ST tyres ensure agility and grip.
Versatility & Style With aggressive styling and bold KTM graphics mirroring the full-size SX range, the 85 SX looks every bit the part of a championship contender. Practical details such as a refined airbox for maximum airflow, easy-access Twin Air filter, and efficient Pankl-designed radiators help sustain performance under pressure. At approximately 68 kg (dry), with a supportive motocross-focused ergonomics package, this bike is primed for race-track practice, club competition, and advanced training scenarios.
SPECIFICATION

PRICE

On The Road Price From £6,199​

ENGINE & TRANSMISSION

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​Design​1-CYLINDER, 2-STROKE ENGINE
​Displacement84.9 CM³
​Transmission6-SPEED
​EMSKEIHIN PWK 28
​Engine Oil ​MOROTEX FORMULA 4T 15W/50 
Clutch primary drive teeth64
​​Clutch​WET, MULTI-DISC CLUTCH, FORMULA HYDRAULICS
Engine cylinderSINGLE CYLINDER 
Engine stroke ​2-STROKE

CHASSIS

Frame DesignCENTRAL-TUBE FRAME WITH DOUBLE-CRADLE
Front Brake DISC BRAKE
Rear Brake ​DISC BRAKE
​Rear subframe design​ALUMINIUM / POLYAMIDE GLASS FIBER 
​Chain​428, NON-SEALED
​Front Suspension​XACT 43 WP UPSIDE-DOWN FORK, 0 43 MM 
Rear Suspension​XACT WP PDS MONO SHOCK
​Suspension travel (front) ​278 MM
​Suspension travel (rear) 
289 MM 
​Front suspension adjustment ​COMPRESSION AND REBOUND ADJUSTABLE
​Rear suspension additionPRELOAD ADJUSTER

DIMENSIONS & WEIGHTS

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​Seat height 845 MM
​Ground clearance 308 MM
​Tank capacity (approx.)5.4 L

FUEL CONSUMPTION

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STANDARD EQUIPMENT

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OPTIONAL EQUIPMENT

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OPTIONAL ACCESSORIES

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