2020 Triumph Bonneville 1.2L Petrol · LS20 XOR

The Triumph Bonneville in question demonstrates a consistently strong roadworthiness record, with every MOT test since 2023 passing without any recorded defects. The most recent inspection on 28 August 2025—just over a year ago—confirmed the vehicle met all current DVSA standards at precisely 3,807 miles, indicating no immediate mechanical or structural concerns at that time. The absence of advisories or failings across three consecutive tests suggests the vehicle has been maintained at a basic level, though this does not preclude hidden issues requiring closer scrutiny. The recorded mileage of 3,807 miles over six years—approximately 634 miles annually—is exceptionally low for a vehicle of this age and type. Such minimal usage raises questions about storage conditions, as prolonged inactivity can accelerate wear on components like suspension bushes, fuel system seals, and battery health. The gaps between tests—12 months between 2023 and 2024, and another 15 months between 2024 and 2025—further imply the vehicle was likely stationary for extended periods, which could have contributed to issues such as seized wheel bearings or degraded brake fluid. The lack of intermediate servicing records means no independent verification exists for critical areas like chain tension, clutch (if manual), or exhaust system integrity. Given the low mileage and sparse MOT history, a buyer should prioritise a thorough inspection of components typically affected by prolonged storage or underuse. The suspension—particularly wheel bearings, bushes, and coil springs—should be checked for stiffness or play, as these can degrade even without high mileage. Brake discs and calipers, though not flagged in tests, warrant inspection for corrosion or binding, especially if the vehicle was left stationary for long periods. The battery, fuel system, and chain (if applicable) should also be assessed for signs of neglect, as these are often overlooked in low-mileage vehicles. Structural corrosion, particularly around the frame rails and subframe, should be examined, as this is not always captured in MOT tests. Finally, the exhaust system’s integrity should be verified, as rust or leaks can develop silently over time.