1970 Bsa Royal Star MOT Pass Rate
Pass rate for Royal Star models manufactured in 1970, based on 132 real MOT test results.
Data from official DVSA MOT testing records
1970 Bsa Royal Star MOT Analysis
The 1970 Bsa Royal Star has an MOT pass rate of 88.6% based on 132 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,230 miles on the odometer. With a 11.4% failure rate, the 1970 Royal Star is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1970 Bsa Royal Star is Motorcycle brakes, responsible for 2.3% 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. Motorcycle drive system is the second most common issue at 1.5%. Motorcycle lighting and signalling follows at 0.8%.
Top failures specific to 1970 models only. The overall Royal Star 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 | 2.3% | 3 |
| 2 | Motorcycle Drive System | 1.5% | 2 |
| 3 | Motorcycle Lighting And Signalling | 0.8% | 1 |
| 4 | Motorcycle Steering And Suspension | 0.8% | 1 |
Failures per 10,000 Miles
avg. 18,230 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.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle brakes | 1.25 | 2.3% | 3 |
| Motorcycle drive system | 0.83 | 1.5% | 2 |
| Motorcycle lighting and signalling | 0.42 | 0.8% | 1 |
| Motorcycle steering and suspension | 0.42 | 0.8% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1970 Bsa Royal Star has an MOT pass rate of 88.6% based on 132 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,230 miles on the odometer. With a 11.4% failure rate, the 1970 Royal Star is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1970 Bsa Royal Star, 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 18,230 miles, many of these vehicles are still in good mechanical condition.
Motorcycle brakes — 2.3% of failures
Motorcycle brakes issues account for 2.3% of MOT failures on 1970 Bsa Royal Star 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).
Motorcycle drive system — 1.5% of failures
Motorcycle drive system issues account for 1.5% of MOT failures on 1970 Bsa Royal Star models. Motorcycle drive system issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Motorcycle lighting and signalling — 0.8% of failures
Motorcycle lighting and signalling issues account for 0.8% of MOT failures on 1970 Bsa Royal Star models. Motorcycle lighting and signalling issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.