KTM

2025 SX-E 5

Electric 50-class mini. No gas, no clutch, three maps. The orange e-bike for kids’ tracks that ban premix.

Mini / youthElectricYouth

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: Electric
Claimed power: 5 hp
Wet weight: 92 lb
Seat height: 26 in
Fuel: Battery pack
Front tire: 2.50-12
Rear tire: 2.75-10
Sprockets: —
Gears: Automatic / single
Cooling: Air
Rider level: Youth
Typical MSRP: $5,499

Run the numbers

Open a calculator with this bike in mind. Punch in the spec from the table.

Power-to-weight

5 hp · 92 lb wet

Oil capacity

Look up a fill or top-off

Tire size

2.50-12 / 2.75-10

Sag setup

Set race sag on this chassis

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