Dealer:
Straightline Motor Sports
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Price Drop
From $9,599 to $8,144
on November 17, 2025
(16%)
For availability call (817) 275-2228 Straightline Motor Sports OTD in Texas $9048.88 SELLING OUT FAST. CALL FOR AVAILABILITY. NO freight or 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 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 $200.00 document fee. *If there is a special finance offer from manufacturer, in most cases you can't use any special price programs. 2025 KTM 300 SXWhen it comes to power-to-weight ratios, the KTM 300 SX writes the rule book. Now with learnings taken directly from the KTM Factory Racing teams, and a care package labeled "Go get 'em!", the 2025 KTM 300 SX is engineered for one task alone - to lead from the front.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 300 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 300 SX, allowing for more usable power throughout the rev range. Smoother power means better traction. Better traction means holeshot heaven!UNMATCHED PERFORMANCEPerformanceThe new 300 cc 2-stroke powerhouse brings a new choice of weapon into the MX Open category and provides more choice for racers looking for maximum power at the least possible weight. Along with low maintenance costs, an overall engine weight of just 23,9 kg, the 2025 KTM 300 SX provides pure performance. And then some. PICK YOUR POWERSelectable MapsThe 2025 KTM 300 SX features a map select switch allowing the racer to switch between 2 engine maps. Map 1 provides a linear, predictable power delivery, while Map 2 gives it the full beans with crisp, explosive power output. CALM UNDER FIRESLEEKER FOR YOU TO SCRUB CLEANERAbsolute ControlGet ready for a full-on berm assault. The 2025 KTM SX and SX-F machines have received major frame updates directly from Factory Racing efforts. For starters, the frame area around the rear shock mount has been updated and made
MotoHunt Price Research
This pricing information is provided to you by MotoHunt to help you make an informed decision.
Base MSRP:
$8,639
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:
$9,028
Average Listing Price of New
2025 KTM 300 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.
Please visit our Financing Resources page for financing options.
Payments:
$172 / month plus $1,221 down
Any comparisons are against other
Mid-Range Motocross bikes.
Engine:
293 cc, 1-cylinder, 2-stroke
Dry Weight:
218 lb
Class average: 220 lb
Seat Height:
37.7 inches
Class average:
37.7 inches
Made in:
Mattighofen, Austria
Reviews
Reviews related to
2025 KTM 300 SX
Fuel Type - Primary
Gasoline
Other Engine Info
Displacement (CC): 250-299
Body Class
Off-road Vehicle - Motocross (Off-road short distance; closed track racing)
Other Motorcycle Info
Closed course competition
Model
Closed Course Competition