Dealer:
Straightline Motor Sports
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Price Drop
From $8,449 to $7,999
on November 17, 2025
(6%)
For availability call (817) 275-2228 Straightline Motor Sports OTD in Texas $8891.92 *If there is a special finance offer from the manufacturer, in most cases, you cannot use the incentive price program. This bike is listed with factory incentive pricing. SELLING OUT FAST. CALL FOR AVAILABILITY. NO prep added to this model! We list OTD prices to make your purchase easy. All bikes will have the OTD price posted, including Texas taxes and title fees for Texas residents. "We support the brands we sell." • We are the largest volume sales dealer in the region. • Largest OEM AND AFTERMARKET KTM, Gas Gas and Husqvarna parts selection in Texas. • Also comes with customer loyalty discount on parts after the sale. Please ask about how to join the team to continue parts discount program. • Custom graphics printed onsite as well. 3% added to CREDIT CARD payments. OTD Texas pricing includes a $200.00 document fee. Any out-of-state buyers will be charged the $100.00 document fee.2025 KTM 150 SXIt'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.Features may include:BEFORE THE GATECLICK INTO ACTIONEasy Suspension AdjustmentAs always, the suspension boasts an easy tool-free setup at both ends, ensuring you chase down the podium in total control. On the rear, a hand-adjustable dual compression control allows riders to adjust high- and low-speed settings in a matter of seconds. The forks on the front end are also easily adjusted thanks to hand-adjustable clickers on the bottom of the fork shoe and top cap.NO JETS - ONLY ROCKET SHIPSElectronic Fuel InjectionPre-mix gets a remix across the 2-stroke KTM SX range, with Electronic Fuel Injection setting the standard. Now there's no more fiddly jetting setup pre-race, And thanks to the Keihin EFI and reed valve case design, you can be guaranteed of laying down optimal power at any altitude, all of the time. CHUGGA CHUGGA, RING DING DING!Electric StartPicture this; You're 7 laps into an absolute ripper of a race. You miss your line and end up stalling in a deep rut. But you don't sweat it. All you do is press the starter button and you blast off again to take the final flag. This is the reality on the 2025 KTM 150 SX. Thanks to a 12,8V 2 Ah lithium ion battery is placed under the rider's seat, a high-quality stator & pickup and super robust design, the only thing you'll be kicking - is ass. START STRONGSMOOTHER POWER DELIVERYEFI + Power ValveWith EFI comes great rideability. Along with the electronic fuel injection and a power valve on the KTM 150 SX, allowing for more usable power throughout the rev range. Smoother power means better traction. Better traction means holeshot heaven!UNMATCHED PERFORMANCEPerformanceMany parts of the 150 SX engine have been rearranged, modified, or developed from the ground up. With an overall weight of just below 18 kg, this is a powerhouse bar none. Designed to provide more torque than its stablemate, the KTM 125 SX, it remains true to its nature, without losing its typical high-revving lightweight 2-stroke character. PICK YOUR POWERSelectable MapsThe 2025 KTM 150 SX features a map select switch allowing the racer to switch between 2 engine maps. The White Map - or Map 1 - provides a linear, predictable power delivery ideally suited to attack hard-packed dirt with a leaner air-fuel mixture. Alternatively, the Green Map - Mapping 2 - is tuned for loose, thick sandy conditions with a richer mix. CALM UNDER FIRESLEEKER FOR YOU TO SCRUB CLEANERAbsolute C
ATVHunt Price Research
This pricing information is provided to you by ATVHunt to help you make an informed decision.
Base MSRP:
$7,604
The Manufacturer Suggested Retail Price
in 2025.
This is the base (lowest) MSRP for this model and higher-level trims and other color variations might have a higher MSRP.
ALP:
$8,159
Average Listing Price of New
2025 KTM 150 SX.
This price is calculated taking into account both currently available listings, and recent sales.
Payment Estimates
These are payment examples for someone with a good credit score, not actual quotes.
Payments:
$169 / month plus $1,199 down
Engine:
143 cc, 1-cylinder, 2-stroke
Dry Weight:
203 lb
Class average: 212 lb
Seat Height:
37.7 inches
Class average:
37.7 inches
Made in:
Mattighofen, Austria
Reviews
Reviews related to
2025 KTM 150 SX
Fuel Type - Primary
Gasoline
Other Engine Info
Displacement (CC): 125-199
Body Class
Off-road Vehicle - Motocross (Off-road short distance; closed track racing)
Other Motorcycle Info
Closed course competition
Model
Closed Course Competition