KTM
2025 85 SX
85-class orange bike. Small-wheel MX; KTM also offers a 19/16 big-wheel if the rider is growing out of the class.
Mini / youth2-strokeYouth
Specs
US-catalog figures for setup math — not a window sticker. Weigh your bike and read the OEM sheet or owner’s manual before you order springs or sprockets. Source.
- Model year
- 2025
- Class
- Mini / youth
- Engine
- 84 cc 2-stroke
- Claimed power
- 23 hp
- Wet weight
- 152 lb
- Seat height
- 33.5 in
- Fuel
- 1.1 gal
- Front tire
- 70/100-17
- Rear tire
- 90/100-14
- Sprockets
- —
- Gears
- 6-speed
- Cooling
- Air
- Rider level
- Youth
- Typical MSRP
- $6,499
Run the numbers
Open a calculator with this bike in mind. Punch in the spec from the table.