- STROKE40.8 mm
- BORE47 mm
- CLUTCHWet, multi-disc clutch, Formula hydraulics
- DISPLACEMENT84.9 cm³
- EMSMEDJ digital
- DESIGN1-cylinder, 2-stroke engine
If you’re reading this, then it is safe to say things have become serious. The 2023 KTM 85 SX 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.
It took extreme levels of ingenuity to fit the race-winning formula of KTM’s bigger 2-strokes into a compact 85 cc engine. The super-compact powerplant delivers class-leading power and rideability throughout the entire rev range. The powervalve plays a key role in tailoring power delivery to suit track conditions and rider ability, ensuring that the only rider surprised by the incredible performance is the competition.