1992 Honda CBR900RR 0.9L Petrol · K172 BWO

A recurring pattern of braking system irregularities and lighting discrepancies defines the mechanical history of this vehicle, with the most recent test on 03 May 2024 recording a pass despite an advisory for slight fluctuation in rear brake effort. The records show a history of instability regarding brake performance, specifically noted through roller brake tests in 2013 and again in 2024, alongside previous failures related to headlamp aim and stop lamp illumination. While the vehicle has moved from significant failures in 2013 to a cleaner record in recent years, the persistence of brake effort fluctuations suggests a long-term trend of component wear or hydraulic inconsistencies that warrants close scrutiny. The recorded mileage of 33,285 miles over a 34-year lifespan represents an exceptionally low annual average of approximately 979 miles. This usage profile, while suggesting minimal mechanical wear on high-friction components, is punctuated by a significant ten-year gap in official MOT testing between 2014 and 2024. Such extended periods of inactivity or undocumented usage can lead to the degradation of rubber seals, perished hoses, and the stasis of fluids, which may contribute to the brake effort issues flagged in the most recent inspection. Prospective buyers should focus heavily on the braking system during a physical inspection and test ride. The advisory regarding rear brake effort fluctuation, combined with historical notes on worn rear brake discs and front roller brake test failures, indicates a need to check for binding calipers, uneven disc thickness, or air/debris within the hydraulic lines. On a test ride, pay close attention to the feel of the brake lever or pedal; any pulsing, sponginess, or inconsistent pressure when applying the brakes should be treated as a primary concern. Additionally, the history of lighting and electrical failures, including incorrect indicator colours and headlamp aim issues, necessitates a thorough check of all illumination components. Ensure that the headlamps are correctly aligned and that the stop lamp responds instantaneously to brake application. Given the history of wheel bearing play in 2012 and the missing wheel bolt failure in 2013, a physical check of the wheel bearings for any play and a verification of all fastener security is essential to ensure the structural integrity of the wheel assemblies.