



STEP INTO THE BIG LEAGUES
Ready to step up into the big leagues? The 2025 KTM 85 SX is ready to take you there. Developed on track and at an international level, the KTM 85 SX boasts significantly enhanced handling, improved power delivery, and notable enhancements in race pace over longer distances. All said - the KTM 85 SX is 100% READY TO RACE.
MODEL
YEAR
TECHNICAL SPECIFICATION
Primary Drive20:64 |
Transmission6-speed |
Secondary Gear Ratio13:46 |
Clutch Primary Drive Teeth64 |
StarterKickstarter |
Stroke48.95 mm |
Bore47 mm |
ClutchWet, multi-disc clutch, Formula hydraulics |
Displacement84.9 cm³ |
Engine OilMotorex Topspeed 4T 15W50 |
Design1-cylinder, 2-stroke engine |
Fuel-Mixture GenerationKeihin PWK 28 |
Tank Capacity (Approx.)5.4 l |
Front Brake Disc Diameter240 mm |
Rear Brake Disc Diameter220 mm |
Front BrakeDisc brake |
Rear BrakeDisc brake |
Chain428, Non-sealed |
Frame DesignCentral-tube frame with double-cradle |
Front SuspensionXACT 43 WP Upside-Down fork, Ø 43 mm |
HandlebarTapered aluminum Ø 28/22 mm |
Rear SuspensionXACT WP PDS mono shock |
SilencerAluminium |
Steering Head Angle63.5° |
Rear Subframe DesignAluminum-reinforced polyamide |
Suspension Travel (Front)278 mm |
Suspension Travel (Rear)289 mm |
Weight (Without Fuel)68 kg |
Wheelbase1.282 mm |
Ground Clearance308 mm |
Seat Height845 mm |
Wheels1.40 x 17 1.60 x 14 |
Tyre dimensions (front/rear)70/100; 90/100 |