1977 Lambretta Gp125 MOT Pass Rate
Pass rate for Gp125 models manufactured in 1977, based on 149 real MOT test results.
Data from official DVSA MOT testing records
1977 Lambretta Gp125 MOT Analysis
The 1977 Lambretta Gp125 has an MOT pass rate of 87.9% based on 149 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 2,015 miles on the odometer. With a 12.1% failure rate, the 1977 Gp125 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1977 Lambretta Gp125 is Motorcycle brakes, responsible for 0.7% of failures. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs range from £150–400.
Top failures specific to 1977 models only. The overall Gp125 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Brakes | 0.7% | 1 |
Mileage Statistics
About This Data
The 1977 Lambretta Gp125 has an MOT pass rate of 87.9% based on 149 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 2,015 miles on the odometer. With a 12.1% failure rate, the 1977 Gp125 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1977 Lambretta Gp125, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle brakes: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm). With relatively low average mileage of 2,015 miles, many of these vehicles are still in good mechanical condition.
Motorcycle brakes — 0.7% of failures
Motorcycle brakes issues account for 0.7% of MOT failures on 1977 Lambretta Gp125 models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.