2014 Honda CBF 0.1L Petrol · RF14 XFX

The most recent MOT, carried out on 4 March 2026, resulted in a failure. The test recorded two major defects – an excessively tight drive chain and a dip‑switch that does not engage immediately on main‑beam selection – and a dangerous defect where the stop lamp fails to illuminate when either brake control is applied. In addition, a dangerous lighting fault, a loose off‑side mirror and a slight wheel‑alignment discrepancy were noted. This represents a clear deterioration from the preceding three years, during which the vehicle only attracted advisory comments, principally about chain tension. The trend therefore points to a worsening of condition, with issues now moving from minor to safety‑critical. With a recorded 10 773 miles on a 2014 model, the average annual mileage works out at roughly 898 miles per year – far below the typical UK average of 8‑10 000 miles. Such low utilisation often indicates long periods of storage or very light use, which can be as detrimental as high mileage. Prolonged inactivity can promote corrosion of suspension bushings, brake disc surface rust, and the degradation of rubber components such as seals and tyre sidewalls. It also raises the likelihood of battery sulphation and a loss of fluid integrity, as lubricants and brake fluid age irrespective of distance travelled. When you inspect the bike, give the drive chain immediate attention. An excessively tight chain will increase bearing loads, accelerate wear on the sprockets and may produce a characteristic whining or clunking noise under acceleration or when the rear wheel is turned. Verify that the chain has the correct slack (approximately 30‑35 mm measured midway between the sprockets) and that the tensioner is functioning; any signs of chain stretch, stiff links or rusted pins mean the chain and both sprockets should be replaced and the tension set to the manufacturer’s specification. The stop‑lamp failure must be rectified before the bike is driven on public roads – check the bulb, wiring harness and the brake‑light switch for continuity, as a non‑functioning brake light is a serious safety hazard. The dip‑switch issue can cause delayed main‑beam response; test the switch through its full travel and listen for any intermittent clicks that could indicate worn contacts. A loose off‑side mirror should be tightened or replaced, and the wheel alignment should be confirmed on a chassis dynamometer, as misalignment can lead to uneven tyre wear, pulling to one side and increased fuel consumption. Given the vehicle’s age and very low mileage, also conduct age‑related checks. Examine the tyre sidewalls for cracking, dry rot or hardening of the rubber, especially if the bike has been stored in a cool, damp environment. Inspect the brake discs for surface rust or pitting; light surface rust is normal but deep pitting or uneven wear suggests the discs may need machining or replacement. Test the 12 V battery with a load tester to confirm it can hold charge, as batteries left idle for years often lose capacity. Finally, verify that the coolant, brake fluid and engine oil have been changed at appropriate intervals – fluids degrade over time even without mileage, leading to reduced cooling efficiency and possible corrosion inside the system. A full service history, or at least evidence of recent fluid changes, will give you confidence that the bike’s time‑based maintenance has been kept up despite its limited use.