1979 Honda Cb650 MOT Pass Rate
Pass rate for Cb650 models manufactured in 1979, based on 144 real MOT test results.
Data from official DVSA MOT testing records
1979 Honda Cb650 MOT Analysis
The 1979 Honda Cb650 has an MOT pass rate of 87.5% based on 144 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 34,151 miles on the odometer. With a 12.5% failure rate, the 1979 Cb650 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1979 Honda Cb650 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 1979 models only. The overall Cb650 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 |
Failures per 10,000 Miles
avg. 34,151 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle brakes | 0.20 | 0.7% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1979 Honda Cb650 has an MOT pass rate of 87.5% based on 144 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 34,151 miles on the odometer. With a 12.5% failure rate, the 1979 Cb650 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1979 Honda Cb650, 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 34,151 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 1979 Honda Cb650 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.