2017 Triumph Street 0.8L Petrol · AX17 KHZ

The Triumph Street presents a stable and improving mechanical trend, culminating in a clean pass on 10 November 2025 at 7,799 miles with zero defects recorded. That clean bill of health is significant. For three consecutive years prior, the tester flagged the rear tyre worn close to the legal limit, yet by late 2025 that advisory had vanished entirely. The drive chain, noted as slightly tight in August 2021 at 4,100 miles, also cleared without recurrence in subsequent tests. Taken together, the record suggests the last keeper addressed the recurring tyre wear and chain tension, moving the bike from a pattern of borderline consumable neglect to a fully compliant state. The mileage profile is exceptionally low. Across nine years the odometer advanced just 7,799 miles, averaging roughly 867 miles annually. The annual increments tell a story of very light use: 867 miles between 2021 and 2022, 1,427 miles between 2022 and 2023, 1,184 miles between 2023 and 2024, and only 221 miles between 2024 and 2025. That sharp drop in the final year points to prolonged periods standing, which carries its own risks. A motorcycle sitting idle for extended stretches can develop stale fuel, degraded brake fluid, flat-spotted tyres, and surface corrosion on brake discs and exposed metal components, none of which the MOT static inspection fully captures. A buyer should inspect the tyres carefully for age-related cracking and sidewall deterioration, even though the tread depth now meets the legal minimum. Rubber degrades with time as well as use, and tyres fitted around 2017 or during the interim may be approaching the end of their safe service life regardless of remaining tread. The brake system deserves close attention too. Corroded discs, seized pistons, and moisture-laden brake fluid are common on low-mileage machines that sit unused, and these conditions may not manifest as a fault during a short MOT test ride. The drive chain and sprockets warrant a hands-on check for correct tension, lubrication, and elongation. The 2021 advisory for a slightly tight chain hints the previous setup may have been marginal, and a poorly maintained chain on a low-mileage bike can still suffer from corrosion and stiff links caused by infrequent use. Suspension seals, fork oil condition, and headset bearing play are also worth verifying, as seals can dry out and bearings can develop pitting when a machine is stationary for long periods. The MOT record is reassuring, but the real story of this Triumph lies in how it was stored between those short annual trips.