1999 Yamaha XJ600 0.6L Petrol · T52 WMA

The 1999 Yamaha XJ600 presents a stable and consistently clean roadworthiness record. The most recent MOT, conducted on 27 July 2023 at 42,751 miles, passed with zero defects. This outcome is not an isolated result. It caps a sequence of five consecutive passes stretching back to 2016, all recorded without a single advisory or failure. The maintenance trend is demonstrably stable, indicating a machine that has been kept within acceptable mechanical tolerances across multiple annual inspections. The mileage pattern reveals a story of very light use and a significant period of stagnation. Between the August 2018 test at 42,300 miles and the July 2023 test at 42,751 miles, the motorcycle covered just 451 miles over nearly five years. This equates to roughly 90 miles per year during that window, strongly suggesting the bike was largely stationary. Prior to that, annual mileage was similarly modest, averaging around 350 to 400 miles per year between 2016 and 2018. The overall average of approximately 1,583 miles per year is exceptionally low for a machine of this age, pointing to infrequent use rather than high-mileage wear. Despite the clean MOT history, the prolonged periods of inactivity demand a careful physical inspection. A motorcycle standing for long durations can develop issues that do not always manifest as immediate MOT failures. A buyer should closely examine the condition of the tyres, checking for sidewall cracking and perishing from age rather than tread wear. The braking system requires particular attention; caliper pistons and master cylinder seals can seize from disuse, and brake fluid will have absorbed moisture, reducing its boiling point. Fuel system integrity is another critical area, as stale petrol can degrade rubber hoses and clog carburettor jets. The structural integrity of the frame and suspension components must be verified. While the MOT records show no corrosion advisories, a machine of this vintage with low mileage can still suffer from pitting and surface rust on exposed metal parts, especially the exhaust system and fasteners. The suspension, particularly the fork seals and rear shock absorbers, may have deteriorated from a lack of use rather than high-mileage wear. A test ride is essential to confirm the gearbox shifts smoothly and that no driveline clunks or vibrations are present, as bearings and seals can dry out and fail without regular operation.