2015 Yamaha YZF R1 1.0L Petrol · GL15 AAY

A recorded mileage of just 4,336 miles across an eleven-year-old registration is the defining feature of this YZF-R1's mechanical profile, and the test history is so sparse it gives little else to work with. Only two MOT entries exist, the most recent being a pass on 5 August 2022 with no advisories recorded, but immediately before that a fail was issued on 27 July 2022 for a dangerous defect: the rear stop lamp was not illuminating when either brake control was operated. That single item points to a straightforward electrical or switch fault rather than anything structural, but the fact that the vehicle has been tested only twice in the available DVSA record means the broader pattern of brake performance, suspension, lighting, and corrosion status across its lifetime is essentially undocumented from a roadworthiness standpoint. The annual mileage averages roughly 394 miles, which is exceptionally low for any motorcycle and raises the well-known mechanical concerns associated with long-standing vehicles. Tyres will almost certainly have aged beyond their usable life even if tread remains, as motorcycle rubber compounds deteriorate significantly after several years regardless of wear; fuel systems can suffer from stale petrol deposits in injectors and the float bowl; brake calipers, particularly the rear, can seize through lack of use; the 12V battery will have degraded repeatedly through discharge cycles if not replaced; and chain and sprocket corrosion, along with dried wheel and headstock bearings, are common findings on such low-use machines. Equally important is the missing testing history between new registration and 2022 — there is no record within the provided data of the motorcycle being presented for MOT during this period, which leaves a substantial portion of its life uninspected. For a buyer, the priority on inspection must be a careful walk-around followed by a functional check. Confirm the rear brake light operates cleanly with both the foot pedal and the front lever, as the recent dangerous fail specifically concerned both controls; inspect the rear brake light switch and its wiring for corrosion or broken adjustment. Check tyre sidewalls for cracking and confirm manufacture date stamps, replacing any rubber older than around five years regardless of tread depth. Examine the rear brake caliper for free movement and inspect the discs for surface rust pitting, exercise the chain to confirm it still flexes smoothly and is not seized to the sprockets, and verify the battery holds voltage under cranking. On a test ride, listen for any knocking from the suspension linkages or headstock over uneven surfaces, feel for a pulsing or grabbing sensation through the rear brake lever which would suggest a binding caliper or warped disc, and watch for steering play at the headstock which can develop on a stationary machine. Check that the engine reaches operating temperature promptly — a bike that has done very few miles can have oil that has lost its protective qualities, leading to blue smoke on warm-up or rough idle. Given the near-total absence of an MOT trail beyond the two entries provided, a thorough pre-purchase inspection by a motorcycle specialist is strongly advisable before committing to purchase.