KTM 85 SX 19/16 2023

KTM 85 SX 19/16 2023


If you're reading this, then it is safe to say things have become serious. The 2023 KTM 85 SX - in big wheel guise - is the first real step into the big leagues. Lightweight, powerful and reliable, the KTM 85 SX boasts real big bike components in scaled-down 85 cc geometry, providing the ultimate kickstart to any young racing career.


Transmission 6-speed
Starter Kickstarter
Stroke 40.8 mm
Bore 47 mm
Clutch Wet, multi-disc clutch, Formula hydraulics
Displacement 84.9 cm³
EMS MEDJ digital
Design 1-cylinder, 2-stroke engine
Lubrication Oil-mixture lubrication 1:40
Cylinder count 1
Fuel-mixture generation Keihin PWK 28
Cooling Liquid cooled
Valve timing Speed-dependent exhaust valve
Cycle 2-stroke
Rear subframe design Aluminium
Weight (without fuel) 68 kg
Tank capacity 5.2 l
Front brake disc diameter 240 mm
Rear brake disc diameter 220 mm
Front brake Disc brake
Rear brake Disc brake
Chain 1/2 x 5/16"
Frame design Central double-cradle-type 25CrMo4 steel
Front suspension XACT 43 WP Upside-Down fork, Ø 43 mm
Rear suspension XACT WP PDS mono shock
Steering head angle 66 °
Ground clearance 362 mm
Seat height 875 mm
Suspension travel (front) 278 mm
Suspension travel (rear) 305 mm
Fork offset 14 mm
Handlebar Aluminium, tapered Ø 28/22 mm
Wheels Spoked wheels with aluminium rims
Tyre width (rear) 90
Tyre width (front) 70
Silencer Aluminium