2004 Suzuki GSF 1200 SK4 1.2L Petrol · NKZ 5320

This Suzuki GSF1200 SK4 passed its most recent MOT on 2 August 2023 at just 17,149 miles, with no defects recorded. The test history is sparse but consistent, showing only two MOTs over a five-year span—one in July 2021 and the second in August 2023—both with clean passes. While the absence of advisories or failures suggests no immediate mechanical concerns were detected at those points, the lack of intermediate testing means critical wear patterns could have developed undocumented. The most recent test occurred over two years ago, which is well beyond the recommended annual or bi-annual checks for a vehicle of this age, especially given its low mileage. Buyers should treat this gap as a red flag for potential deferred maintenance, particularly in areas prone to corrosion or gradual degradation like the suspension, exhaust, and electrical systems. The recorded mileage of 17,149 miles over approximately 22 years—roughly 780 miles annually—is unusually low for a vehicle of this vintage. The gap between tests (1,295 miles between July 2021 and August 2023) further suggests prolonged periods of inactivity, which can accelerate deterioration in components like tyres, seals, and battery health. Low mileage alone isn’t inherently problematic, but when paired with infrequent MOTs, it implies the bike may have spent extended time stored, possibly in less-than-ideal conditions. This increases the risk of hidden issues such as seized fasteners, degraded rubber components, or corrosion in less visible areas like the frame or fuel system. Given the sparse MOT record, a buyer should prioritise an independent inspection of the suspension system, including coil springs, bushes, and steering dampers, as these are common wear items that may not trigger MOT failures until later stages. The brakes—particularly the rear calipers and discs—should be checked for uneven wear or binding, as the lack of advisories could mask subtle issues. Corrosion is another critical concern; the frame, exhaust, and fuel tank should be thoroughly examined for rust, especially if the bike has been stored outdoors or in damp conditions. The electrical system, including the battery, ignition, and lighting, warrants scrutiny, as prolonged inactivity can lead to failed components or degraded wiring. Finally, the tyres—despite passing the MOT—should be assessed for uneven tread wear or embedded debris, which could indicate alignment or suspension issues.