2005 Yamaha YBR125 0.1L Petrol · KE55 AEU

The most recent DVSA MOT test for the 2005 Yamaha YBR125 was conducted on 2022-03-04, resulting in a failure due to two critical issues: a light misting of oil from the central rear shock absorber and a central rear tyre with tread that was not clearly visible. This outcome follows a prior MOT on the same date, which passed with only an advisory regarding the same shock absorber condition. The recurring advisory on the shock absorber indicates a persistent mechanical concern that has not been addressed, suggesting either a lack of maintenance or an ongoing issue with the component’s integrity. While the vehicle did not pass the second test, the absence of further MOT failures or additional critical defects in the limited history provided thus far implies that the overall maintenance trend may be stable in terms of structural or major system failures, but the unresolved shock absorber issue remains a significant risk to roadworthiness and long-term reliability. The recorded mileage of 12,263 miles for a vehicle aged approximately 21 years represents an exceptionally low annual usage rate of around 584 miles per year, which is far below the typical wear rates expected for a motorcycle of this age and class. Such low mileage often correlates with prolonged periods of storage or limited operational use, which can exacerbate specific wear and degradation patterns. For example, standing for extended durations can lead to corrosion in brake systems, particularly on calipers and discs, as moisture and road salt accelerate rust formation. Additionally, fluid degradation—such as in the hydraulic brake system or engine oil—can accelerate over time without regular use, even if mileage is low. The lack of recent activity may also mean that consumables like tyres, brakes, and suspension components have not been subjected to the dynamic stresses they endure during active riding, potentially masking underlying issues until they become more pronounced. Given the MOT history, the buyer should prioritise a thorough inspection of the rear suspension and braking systems, as these are the primary areas of concern. The light oil misting from the rear shock absorber is a critical indicator of internal wear or failure, likely due to damaged or degraded oil seals. On a test drive, listen for unusual clunking or rattling noises from the rear suspension, particularly when the motorcycle is subjected to bumps or uneven terrain, as this may signal further deterioration. Inspect the rear tyre for signs of uneven wear, cracks, or separation, as the MOT failure highlighted a potential tread visibility issue, which could compromise traction and handling. Additionally, check the brake discs and calipers for corrosion, binding, or excessive heat discolouration, as standing can lead to moisture-induced rust that may impair braking performance. If the calipers appear stuck or the discs are warped, this could result in a shuddering or pulsating brake response during deceleration. For practical checks beyond the MOT history, the buyer should examine the vehicle’s tyre sidewall for signs of perishing, cracking, or dry rot, which are common in older motorcycles stored for long periods. Tyres aged beyond five years without regular use can lose their structural integrity, leading to blowouts or reduced grip. Verify the condition of the central rear tyre, as the MOT failure suggests it may have been compromised by prolonged exposure to road conditions. Check the 12V battery for signs of corrosion on terminals, swelling, or reduced cranking power, as standing batteries can suffer from sulphation or fluid leakage. Inspect the exhaust system for leaks, rust, or structural weakness, particularly around the rear section where the shock absorber is located, as oil leaks from the shock could also affect exhaust integrity. Finally, since the vehicle has not been serviced within the last year, consider a professional inspection of the engine oil, hydraulic brake fluid, and coolant to assess their condition, as these fluids degrade over time regardless of mileage. If the motorcycle has been stored in a damp or poorly ventilated environment, address any signs of mould, rust, or condensation buildup in the fuel system or electrical components.