1979 Yamaha RD250 0.2L Petrol · VCB 230T

A two-stroke classic from 1979 with a remarkably clean DVSA record, the most recent pass at Swansea on 2 March 2026 confirming a continuation of the immaculate roadworthiness trend established at the previous test back in November 2021. With only two MOT entries on file and zero advisories, failed items, or recorded defects across both examinations, the official history presents a vehicle that has consistently met statutory safety and emissions standards at each statutory inspection. The five-year gap between tests is entirely consistent with classic and historic vehicle exemption rules, meaning the machine would not have required annual presentation during the intervening period, so the absence of records does not imply any lapse in roadworthiness or maintenance between those dates. The recorded 37,022 miles against a 47-year chassis age equates to an average annual accumulation of roughly 788 miles, an exceptionally low usage profile that places the Yamaha firmly in the light-use or prolonged-storage category. Such modest mileage figures on a classic two-stroke twin are highly characteristic of machines that have spent long periods garaged, been used only on fine weekends, or treated as occasional showpieces rather than daily transport. Mechanically, this pattern tends to preserve drivetrain components, internal engine bearings, and brake friction surfaces, but it does raise the well-known risks associated with extended standing:硬化 seals in the power valve and inlet rubbers, drying of crankcase gaskets, oxidation inside the fuel tank and carburettor floats, and crystallisation of the two-stroke injection pump. The single-digit annual mileage should therefore be read as a double-edged indicator, suggesting low wear on running gear but also demanding careful scrutiny of items that degrade through disuse rather than use. For any prospective buyer, the absence of recorded advisories means there are no specific DVSA-flagged components to chase down, but the age and mileage profile dictate a thorough hands-on inspection regardless of the clean paperwork. On a test ride, pay close attention to the operation of the expansion chamber exhaust for signs of blowing at the front pipe joint, listen for any top-end bearing rumble that would suggest the crankshaft has suffered from infrequent oiling, and check that the power valve operates smoothly across the rev range without a flat spot around 5000 rpm. Inspect the underside for the typical two-stroke corrosion hotspots around the bottom of the crankcases, around the centre stand mount, and along the swinging arm pivot area, as these areas are rarely examined on a pass-only MOT history. Examine the carburettor rubbers and inlet manifolds for signs of perishing, and drain a small amount of fuel from each float bowl to check for water contamination or rust sediment that would indicate a period of dormancy followed by attempted recommissioning. Finally, given that the brake and suspension components on a 47-year-old machine are almost certainly well beyond their original service life regardless of what the MOT file shows, conduct a focused check of the front fork seals for weeping, bounce the front end to confirm the damping is still functional rather than merely springy, and examine the brake master cylinder and calipers for any binding or hydraulic seepage that would not have been recorded on the test certificate but would manifest as a pulling handle or a soft lever feel. Lift the chain guard and check the rear sprocket for hooked teeth, examine the swinging arm bushes for sloppiness by hand pressure, and verify that the throttle and clutch cables still have full and smooth travel without fraying at the headstock. A clean DVSA history on a low-mileage classic of this vintage is a strong starting point, but it is the physical state of the consumables, seals, and two-stroke-specific fuel system components that will determine the true cost of bringing this RD250 back to a reliable riding standard.