1999 Yamaha XJ600 0.6L Petrol · T47 BAY

The vehicle most recently passed its MOT on 13 September 2025 with no defects recorded. The overall maintenance trend is exceptionally stable, with a consistent history of clean passes spanning over a decade. The absence of recurring failures or recent advisories indicates a vehicle that has been maintained to a high standard or has been kept in a well-preserved condition, suggesting a low probability of hidden structural or systemic mechanical failures. With a recorded mileage of 50,605 miles over twenty-seven years, the motorcycle has averaged approximately 1,874 miles per year. This is considered low usage for a machine of this vintage. While low mileage typically implies reduced wear on the internal engine components and drivetrain, it often signals periods of prolonged inactivity. Such usage patterns shift the mechanical risk from wear-and-tear to degradation caused by standing, which can affect seals, gaskets, and various rubber components. Given the clean MOT record and low annual usage, the prospective buyer should focus on time-based degradation rather than mileage-based wear. It is essential to inspect the tyres for sidewall cracking and perishing, as rubber compounds harden and lose grip over time regardless of remaining tread depth. Particular attention should be paid to the braking system; check for binding calipers and surface corrosion on the brake discs, which are common symptoms of a vehicle that has stood for extended periods. Furthermore, verify the condition of all fluids, as brake fluid and engine coolant degrade chemically over time. Check the service history for evidence of calendar-based fluid changes rather than just mileage-based intervals. The 12V battery health should be tested, and the fuel system should be inspected for signs of varnish or gumming within the carburettors caused by stale fuel. Finally, ensure the drive chain is correctly tensioned and lubricated, as standing can lead to premature link seizure and corrosion.