2015 Derbi SM125 4T 0.1L Petrol · YN65 AFY

The most recent MOT test conducted on 29 June 2024 resulted in a pass, following a minor failure regarding a missing rear reflector. The overall maintenance trend appears stable, as the vehicle has maintained a clean record with no significant mechanical defects reported in previous years. The single advisory concerning a shortened nearside clutch lever is a minor point, likely relating to an aftermarket modification or wear, but it does not suggest a systemic failure of the control systems or the structural integrity of the hand controls. With a recorded mileage of 12,357 miles over approximately eleven years, the vehicle has averaged just over 1,100 miles per annum. This represents very low usage for a vehicle of this age. While this implies minimal mechanical wear on the engine, piston rings, and gearbox, it also indicates the vehicle may have spent significant periods stationary. Low-usage vehicles are prone to specific issues related to stagnation, such as the degradation of rubber components and the chemical breakdown of fluids, which can be more detrimental than high-mileage wear. Given the low mileage and age, a thorough physical inspection is essential. You should prioritize checking the tyres for signs of perishing, such as sidewall cracking or hardening, as rubber loses its elasticity over time regardless of tread depth. Inspect the drive chain for surface corrosion or stiff links and check the brake discs for heavy oxidation or pitting. It is also vital to ensure the brake calipers are not binding due to moisture-induced corrosion in the pistons, which can occur when a vehicle is not used regularly. During your test ride, pay close attention to the clutch engagement and the smoothness of the lever action to ensure the advisory regarding the shortened nearside lever has not resulted in poor ergonomics or cable tension issues. Listen for any irregular engine notes or suspension clunks that might suggest dried-out seals or perished bushes. Finally, verify the service history to ensure that oil and coolant changes have been performed based on the calendar year rather than just mileage, as fluid properties degrade over time even when the vehicle is not in motion.