2010 Yamaha XT125 0.1L Petrol · YP60 SSJ

The defining mechanical story of this Yamaha XT125 is one of persistent advisories alongside two outright failures within a relatively short testing window, suggesting a vehicle that has required repeated corrective work to remain road-legal. Across seven recorded tests between 2016 and 2021, two resulted in failures (2017 and 2019), with the 2019 retest producing a pass one month later after the major items were presumably addressed. The advisory history is the more revealing thread: notchy steering appeared in 2017 and worsened into an outright failure for excessively notchy steering in 2018, front shock absorber oil misting was flagged in 2019 and escalated to a serious fluid leak failure during that same test, and brake disc defects (rear disc cracked, front disc excessively scored) were recorded as failures in 2018. The most recent test on 21 September 2021 produced a pass, though it carried an advisory for uneven tyre wear on both front and rear, leaving the overall picture as one of marginal compliance with multiple chronic concerns rather than a clean roadworthiness record. The recorded mileage of just 6 miles against a vehicle now sixteen years old produces an annual accumulation rate effectively close to zero, with no mileage figures logged at any of the seven MOT tests. This profile is highly atypical and indicates either long stationary periods, negligible use, or possibly inaccurate odometer readings. Mechanically, such a usage pattern carries specific risks: rubber components including suspension bushes, fork seals, drive chain and sprockets, brake seals, and brake hoses are vulnerable to perishing and drying out during extended standing periods, while the brake discs and pads already flagged as scored and cracked in 2018 are likely to have deteriorated further through corrosion rather than normal wear. The drive chain was flagged as worn in 2019 advisories, and with minimal mileage covered since, replacement is a near certainty. Battery condition, carburettor internals, and fuel system seals will also have been subjected to prolonged disuse. A prospective buyer should focus the pre-purchase inspection squarely on the components that have historically caused this machine trouble. The steering headstock and bearing arrangement requires particular attention: lift the front wheel and check for the same notchy, indexed movement that was flagged in 2017 and 2018, as any roughness or binding at the steering stem is a direct repeat risk. The front shock absorber should be inspected for fresh oil seepage around the seal area and the chrome stanchion examined for pitting, as the progression from light misting in 2019 to a serious leak failure during the same year suggests seals had already failed by the time of the advisory. Inspect both wheel rims for missing spokes as recorded in 2019, check the rear reflector is present and functional, and confirm the horn operates correctly. Brake feel at both ends should be firm, with no judder or pulsing through the levers indicating the previously scored and cracked discs have not been replaced with items of sufficient quality. On a test ride, listen for clonks or rattles from the swingarm pivot area, as a loose swingarm nut was a failure item in 2018 and is a classic single-track motorcycle defect that returns if the nut is not correctly torqued or if the bearing is worn. Feel for any binding or irregular pull in the steering, particularly over uneven surfaces where notchy headstock bearings become more pronounced. The chain should be checked for tight spots, stretched links, and adequate slack, and the sprocket teeth profiled for the characteristic hooked shape of wear. Tyres should be inspected for the uneven wear pattern noted in 2021, particularly cupping or feathering that may indicate a suspension geometry or damping issue. Finally, confirm that all lighting, the horn, and the brake stop lamp function immediately on application, as minor electrical items have appeared repeatedly in the test record and are inexpensive to rectify but indicative of general electrical condition when clustered together.