1999 Yamaha R6 0.6L Petrol · V148 DSM

The most recent DVSA examination carried out on 7 August 2025 resulted in a Pass with no defects or advisories recorded, indicating that at the time of test the motorcycle satisfied all statutory roadworthiness requirements. Reviewing the four-year MOT history provided, the vehicle has achieved a clean Pass at each successive annual examination from 2022 through 2025, with no recorded advisories or failures. This consistent pattern of unblemished results suggests an overall stable and well-maintained mechanical condition from a regulatory standpoint, although it is important to note that the MOT test for motorcycles is largely a safety and emissions check and does not constitute a comprehensive mechanical inspection. Recorded mileage stands at 31,077 miles across approximately 27 years, equating to a usage rate of roughly 1,151 miles per year. This figure is notably low for a motorcycle of this vintage, particularly for a supersport machine such as the R6, which is generally designed and expected to accumulate mileage commensurate with enthusiast or sporting use. Such a low annual figure can imply one of two scenarios: either the machine has been used lightly and carefully, or it has experienced extended periods of standing or infrequent use, both of which carry distinct mechanical implications. Light regular use is generally beneficial for keeping seals lubricated, preventing internal corrosion, and maintaining battery health, whereas prolonged standing can accelerate deterioration of rubber components, fuel system parts, and electrical systems. Given the absence of recorded defects and the very low annual mileage, particular attention during physical inspection should be directed towards age-related degradation rather than wear from use. Tyres should be examined for sidewall perishing and cracking, as rubber compounds deteriorate with calendar age regardless of tread depth, and the manufacturing date code should be checked to confirm the tyres are within a safe service life. Brake discs should be inspected for surface corrosion and pitting, and the calipers should be checked for free movement to ensure they are not binding after periods of inactivity. The 12V battery should be tested for cranking performance and voltage retention, as motorcycle batteries have a finite calendar life, typically requiring replacement every four to six years. Fuel hoses, vacuum lines, and rubber intake components are also prone to perishing and should be visually inspected for cracks or hardening. Additional buyer guidance for a low-mileage, older motorcycle should include verification of complete service history with documented stamps, confirming that time-based services such as engine oil and filter changes, brake fluid replacement, coolant renewal, and final drive or chain and sprocket inspection have been carried out at appropriate intervals regardless of low mileage. Brake fluid is hygroscopic and should be renewed every two years irrespective of use, while coolant typically requires replacement every three to four years. During a test ride, particular attention should be paid to any signs of suspension binding or irregular damping response, cold-start smoke from the exhaust indicating valve guide or ring sealing issues, and any hesitation or fuel delivery irregularities that might suggest stale fuel or a partially blocked injector. A compression test and a check of spark plug condition would provide further reassurance of internal engine health given the machine's age and the disproportionate effect of standing periods on high-revving, narrow-tolerance engines such as the R6 powerplant.