2018 Yamaha MT-09 SP 0.8L Petrol · Y111 AAC

The latest MOT test for this Yamaha MT-09 SP concluded with a pass in September 2025, though the test history indicates a somewhat inconsistent maintenance standard. While the vehicle successfully passed its most recent inspection, the presence of a dangerous failure regarding tyre tread depth alongside multiple major failures for non-compliant registration plates and a missing reflector suggests that the previous owner may have neglected routine safety checks or prioritised aesthetic modifications over legal roadworthiness. The recurring nature of the registration plate and reflector issues across multiple years indicates a pattern of non-compliance that warrants a thorough inspection of all electrical components and legal markings to ensure the motorcycle is currently fit for public roads. At eight years old with 30,767 miles, the motorcycle has averaged approximately 3,850 miles per year, which is a moderate usage rate for a high-performance machine of this category. This mileage profile suggests the bike has likely been used for seasonal leisure riding rather than daily commuting. While this lower annual mileage can reduce wear on core engine components like the pistons and crankshaft, it also increases the risk of issues associated with infrequent use, such as fuel system gumming, internal corrosion within the engine if oil changes were neglected, and the degradation of rubber seals and brake lines that can perish over time regardless of distance covered. The most critical mechanical concern identified in the recent MOT history is the deterioration of the nearside front fork dust seal. This is a significant advisory that should not be overlooked, as a failed dust seal allows road grit and moisture to migrate into the main oil seal, which will inevitably lead to a fork seal leak. During your test drive, carefully inspect the fork stanchions for any signs of oil weeping or streaks, and listen for any clunking or lack of damping consistency from the front end, which could indicate that internal contamination has already compromised the suspension performance. Given the performance nature of the MT-09 SP, any suspension neglect will be immediately apparent through poor handling feedback or excessive front-end dive under heavy braking. Beyond the specific advisory, your pre-purchase inspection must focus on the consequences of the motorcycle having stood for periods of time. Check the sidewalls of both tyres for signs of cracking or perishing, as the dangerous tread depth noted in 2025 suggests the previous tyres were run well past their limit, and you should verify that the current rubber is fresh and correctly matched to the bike. Inspect the chain and sprocket set for signs of surface rust or seized links, and ensure the brake calipers are not binding by checking for excessive heat build-up after a short ride. Finally, verify that the service history includes documented evidence of time-based maintenance, such as brake fluid flushes and coolant changes, as these fluids degrade over time and are essential for the longevity of the sophisticated braking and cooling systems found on this model.