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2025 KTM 150 SX — photo 1 of 11
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Specs

New or used
New
Availability
In stock
Colour
Orange
Displacement
144 ccManufacturer specDealer: 143.99 cc
Cylinders
1Manufacturer specDealer: Single
Engine cycle
Two-strokeManufacturer specDealer: 2-stroke
Transmission
ManualManufacturer specDealer: 6-speed
Seat height
37.7 inManufacturer specDealer: 37.7 in. (958 mm)
Ground clearance
14.1 inManufacturer specDealer: 14.1 in. (359 mm)
Dry weight
204.1 lbManufacturer specDealer: Without fuel - 204.1 lb. (92.6 kg)
Fuel capacity
1.9 galManufacturer specDealer: Tank capacity (approx.) - 1.9 gal. (7.2 l)
Model code
F6301Y1
VIN
VBKSXH23XSM149679
Stock #
KTM149679
All details from the dealer (8)
Model Type
Motocross

Brakes/Wheels/Tires

Brakes
Front / Rear - DiscManufacturer spec

Drivetrain

Chain
520, non-sealedManufacturer spec

Engine

Clutch
Wet multi-disc DS, Brembo hydraulics Primary drive teeth - 73Manufacturer spec
Fuel System
Fuel-mixture generation - Keihin EFI, throttle body 1.5 in. (39 mm) EMS - Vitesco technologies EMSManufacturer spec

Operational

Frame
Central double-cradle-type 25CrMo4 steel Rear subframe design - Aluminum-reinforced polyamideManufacturer spec
Front Suspension
WP XACT-USD (AER), Ø 1.9 in. (48 mm) Travel - 12.2 in. (310 mm)Manufacturer spec
Rear Suspension
WP XACT monoshock with linkage Travel - 11.8 in. (300 mm)Manufacturer spec

From the dealer's page

It's back! After a 2-year absence, the 2025 KTM 150 SX is once again ready to tear into your favorite MX track. Get ready to experience what it feels like to be a marble launched from a slingshot. The KTM 150 SX pulls hard from the bottom, gallops in the middle, and sings at the top. Which is where it belongs.

Price history

Tracked since Oct 12, 2026 · last checked 3h ago

Price details as printed by the dealer

  1. Price$8,449

Throttle does not add these up.

LIMITED DATA: one listed price so far (Oct 12, 2026)

  • Kiser Motorcycles (this listing)

Prices as listed by dealers; auction results labelled; a dashed gap = no listed price.

Timeline

  1. First seen

    Oct 12, 2026

Market context

Comp set: 2023–2027 KTM 150 SX · 7 listings

Median asking
$8,449
across 7 comparable listings
This one
$8,449
0.0% vs median
Days on market
New to Throttle
none have left dealer sites yet
Left dealer sites
—
none yet
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Deal reasons — where this asking price sits against similar listings, with the sample behind it

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