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There are very few sounds that can't be beaten. The crack of a soda can on a blistering hot day. The ping of the perfectly executed golf shot. And the scream of a 125 cc 2-stroke charging down a long straightaway. The 2025 KTM 125 SX takes its leads directly from the Factory Racing team and puts them to work like nothing else. Like the sound it makes, it cannot be beaten.
Pre-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.
Give your KTM 125 SX more bite with a 125 Factory Performance Kit. Comprising of upgraded engine parts, FMF exhaust, and special engine mapping, it provides a strong power increase across the rpm range.
Get 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 more streamlined, with new engine mounts and cut-outs for improved chassis flex. The front area of the frame is also updated. with a different wall thickness than the previous model year, with renewed engine mounts. This adds up to a 300g weight saving and improved flex for better cornering.
For 2025, the KTM SX and SX-F range has given the WP XACT AER fork and WP XACT rear shock an update. This means you'll be lining up at the starting gate with re-tuned settings, reduced weight, improved weight distribution, and an increase in overall response.
Disclaimer: Example terms for Pick-A-Payment before approved credit: 4.0% APR for 72 months. $0 down. Excludes parts and/or accessories, finance charges, electronic filing charges, A.D.M, freight, setup or delivery charges, taxes, and any additional government and emissions testing charges. APR available from select vendors. Not all buyers will qualify. Most riders prefer to allocate 10% of the selling price towards their down payment. Prior to closing, payments and rates are subject to change depending on contract date, lender program changes/guidelines, program calculation, data errors, credit verification, and final approval. Contact Del Amo Motorsports of Redondo Beach for complete details.
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