2015 KTM 125 0.1L Petrol · WD15 XMX

The defining mechanical story of this KTM 125 is one of recurring front-end and brake-related defects, suggesting that the steering head bearings and front brake system are areas warranting close attention from any prospective buyer. Across six recorded tests spanning 2020 to 2025, the vehicle has had three failures and multiple advisories, with the steering head bearing appearing in three separate entries and front brake performance flagged in three as well. In September 2020 the front steering head bearing was deemed to have excessive wear or free play, resulting in a Major failure, while at the same test the rear brake disc was noted as worn and pitted. Two years later, in November 2022, a further failure was recorded for loose handlebar retaining devices and excessive fluctuation in front brake effort. The most recent test in September 2025 returned a pass but carried an advisory for slight fluctuation in front brake effort, indicating that the front braking system continues to display marginal behaviour despite passing. This pattern points to a vehicle that has cleared the test threshold but carries unresolved wear characteristics in critical control components. With approximately 23,623 miles recorded over eleven years, this machine averages around 2,148 miles annually, which is low for a motorcycle of this age and suggests either genuinely light use or extended periods off the road. The testing history shows notable gaps, including an absence of MOT entries between late 2022 and mid 2024, which may reflect either non-use or the vehicle being off the public road. Low annual mileage of this nature reduces general wear on drivetrain components and consumables but can accelerate certain deterioration pathways, particularly in bearing assemblies and brake surfaces where moisture ingress and corrosion can develop during periods of standing. The appearance of steering head bearing wear on a low-mileage machine is consistent with corrosion or drying-out of grease rather than mileage-driven wear alone. For a prospective buyer, the front brake system demands a focused test-ride assessment. The repeated fluctuation advisories suggest possible caliper binding, uneven pad wear, or a master cylinder issue causing inconsistent hydraulic pressure. On a test ride, pay close attention to whether the front lever feels firm or spongy, whether the lever pulls progressively further than expected toward the bar under repeated use, and whether stopping distances feel uneven between left and right applications. Inspect the front brake disc for lipping, scoring, or uneven surface condition, and check that the caliper slides freely without sticking. Any pulsation through the lever under braking, or a tendency for the bike to pull to one side, would warrant immediate rectification. The steering head bearing issue is equally important to evaluate physically. On a test ride, with the motorcycle on its centre stand or held upright, turn the handlebars slowly from lock to lock and feel for any notchiness, clicking, or resistance that is not smooth throughout the arc. With the front wheel lifted, grasp the fork legs at axle height and attempt to rock them fore and aft; any clunking or free play confirms bearing wear. Also inspect the handlebar clamp area visually for any signs of movement at the risers or clamps, given the November 2022 failure for a loose handlebar retaining device. Finally, examine the rear brake disc for the pitted and scored condition noted in 2020, as such surface degradation tends to worsen gradually and may now be approaching a serviceable minimum thickness if not already replaced.