2006 Yamaha YN50 0.0L Petrol · KF56 XLM

The most recent MOT, carried out on 29 September 2023, was a pass but it carried an advisory that the front shock absorber is showing reduced damping. Over the last six years the vehicle has moved from a series of serious failures – major exhaust corrosion, a fuel‑system leak that posed a fire risk, and a near‑side brake lever with insufficient travel – to a pattern where the only recorded faults are advisory reductions in shock absorber performance and a lingering exhaust minor leak noted in 2019. This trajectory suggests that the major safety‑critical issues have been addressed, but the persistence of suspension and exhaust advisories indicates that the underlying wear is still progressing and will need attention soon. With a recorded mileage of just 258 miles on a 20‑year‑old motorcycle, the average annual use is roughly 13 miles. Such a low utilisation typically points to long periods of storage rather than gentle riding. While low mileage reduces wear on moving parts, it also raises the likelihood of age‑related deterioration: rubber components such as hoses, seals and the fuel‑cap gasket can become brittle, the battery may have suffered repeated deep‑discharge cycles, and the tyres are likely to have aged more than they have been worn. The lack of regular mileage also means that any corrosion that may have started while the bike was stationary could have progressed unnoticed. When you inspect the bike, give particular focus to the front and rear shock absorbers; feel for a soft or spongy response and listen for any clunking when the suspension is compressed, which would confirm the reduced damping noted in the advisories. Examine the exhaust system closely, especially around the header, for rust, holes or black soot that could indicate a leak that may affect emissions and engine performance. The fuel system should be checked for any signs of dripping or a persistent fuel smell, and the fuel‑cap gasket should be inspected for cracks or missing material, as repeated failures have been recorded. Test the brakes by applying the near‑side lever and rear pedal; any excessive lever travel, sponginess, or uneven braking feel could be a remnant of the earlier insufficient‑travel fault. Given the bike’s age and minimal use, also scrutinise the tyre sidewalls for cracking, dry‑rot or loss of flexibility, and verify that the tread depth is still within legal limits. Assess the 12‑volt battery for voltage under load and check for any corrosion on the terminals; a battery that has sat for long periods often needs replacement. Finally, confirm that all fluids – engine oil, coolant (if fitted), brake fluid and carburettor jetting – have been changed in accordance with calendar intervals rather than mileage, as time‑based degradation can cause internal wear even on a low‑kilometre machine. A thorough visual inspection combined with a careful test ride will reveal whether the remaining age‑related issues have been adequately managed or if further remedial work is required before purchase.