The 2025 KTM 85 SX is developed to be as near a scaled-down model of a full-size KTM Motocross machine as doable, with worldwide testing in Europe, North America and Australia. This has resulted in an 85 cc screamer that not solely seems prefer it’s greater brothers however behaves like them, sharing the identical excessive ranges of high quality and a focus to element.
For 2025, the KTM 85 SX has been up to date considerably to reinforce dealing with traits, enhance rider confidence, and enhance engine efficiency within the low to mid-rpm vary.
A totally new body, subframe and swingarm present the idea for the replace over the earlier technology. Based mostly on the full-sized KTM SX body idea, the high-strength chromium molybdenum metal body integrates fastidiously calculated longitudinal flex and torsional rigidity parameters for unmatched rider suggestions, power absorption, and straight-line stability. That is mated to a 1-piece polyamide glass fibre strengthened aluminum subframe, decreasing general weight and offering a platform to combine the electronics. Manufactured utilizing a gravity die-cast course of, the one-piece aluminum swingarm presents distinctive energy with minimal weight. The topology has been optimised for optimum rigidity, and an improved casting course of reduces the load by 300 grams. Moreover, a 20 mm rear axle has been fitted to optimise and match the chassis flex traits.
The brand new body additionally allowed for a brand new using expertise with a steering head at 63.5 levels – half a level flatter than the earlier technology – and moved rearwards by 6 mm. This has aided in cornering stability and a extra planted really feel in high-speed acceleration, additional supported by a wider steering angle of 35 levels, which has improved the steering angle by 2 levels over its predecessor.
The engine place has additionally been tweaked, with a 3 diploma rotation upwards to take care of a extra direct connection level with the swingarm. This has allowed for the simplest weight distribution when hitting jumps.
Concerning suspension updates, the 2025 KTM 85 SX advantages from an all-new, fully-adjustable WP XACT monoshock mirroring the most recent expertise discovered within the full-size motocross vary. Linked on to the swingarm in a PDS format, the WP XACT monoshock has a distinct mounting level to the earlier technology, permitting for a extra compact rear shock design with a shorter stroke. This gives improved rider suggestions and stability over bigger jumps and tough tracks.
A notable replace over the earlier technology is a decrease suspension journey of 289 mm in comparison with 305 mm on the earlier mannequin. This has dramatically aided in controlling rebound and compression within the rear shock, with a extra planted really feel, higher traction and general dealing with.
Up entrance, the 2025 KTM 85 SX maintains the championship-proven and light-weight 43 mm WP XACT USD AER fork. In comparison with the earlier technology, the air stress is tuned to 4.8 bar from the earlier 5.0 bar for a smoother journey and suspension compliance.
An up to date engine has improved energy within the low and mid-rpm vary and elevated torque for efficiency. That is made doable by a brand new cylinder head and spark plug, ignition, exhaust, shift drum, and up to date carburettor settings.
Adjustments on the brand new technology KTM 85 SX have additionally prolonged to the general seems, with all-new slimmer bodywork mimicking that of the full-sized KTM SX vary. This new look can be useful, permitting for higher contact with younger riders’ boots when standing up. New footpegs, a bigger radiator and improved triple clamps spherical out the adjustments.
The 2025 KTM 85 SX is one other instance of KTM’s dedication to mini-cross, with the identical quantity of power and a focus going into the event of grassroots racing because it imparts at a Supercross degree.
The brand new 2025 KTM 85 SX will probably be obtainable for £6,399, from Authorised KTM Sellers from August. For extra info, go to KTM.com To study extra concerning the all-new 2025 KTM 85 SX, click on HERE to learn the digital press package or HERE to look at what our consultants should say.