Skip to main content
Pass Your MOT

1971 Honda St50- MOT Pass Rate

Pass rate for St50- models manufactured in 1971, based on 86 real MOT test results.

84.9%
Pass Rate
15.1%
Fail Rate
86
Total Tests
8,677
Avg Mileage

Data from official DVSA MOT testing records

1971 Honda St50- MOT Analysis

The 1971 Honda St50- has an MOT pass rate of 84.9% based on 86 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 8,677 miles on the odometer. With a 15.1% failure rate, the 1971 St50- is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1971 Honda St50- is Motorcycle lighting and signalling, responsible for 2.3% of failures. 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 range from £100–400. Motorcycle brakes is the second most common issue at 1.2%.

⚠ Based on limited data (86 tests)

Top failures specific to 1971 models only. The overall St50- page may show different rankings.

What Fails Most

Motorcycle lighting and signalling 2.3%
Motorcycle brakes 1.2%

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Motorcycle Lighting And Signalling2.3%2
2Motorcycle Brakes1.2%1

Failures per 10,000 Miles

avg. 8,677 mi

For 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.

Motorcycle lighting and signalling2.68% per 10K miMotorcycle brakes1.34% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle lighting and signalling2.682.3%2
Motorcycle brakes1.341.2%1

Mileage Statistics

8,677
Mean
8,802
Median
4,067
25th Percentile
10,899
75th Percentile
17.40% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 1971 Honda St50- has an MOT pass rate of 84.9% based on 86 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 8,677 miles on the odometer. With a 15.1% failure rate, the 1971 St50- is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1971 Honda St50-, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle lighting and signalling: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With relatively low average mileage of 8,677 miles, many of these vehicles are still in good mechanical condition.

Motorcycle lighting and signalling — 2.3% of failures

Motorcycle lighting and signalling issues account for 2.3% of MOT failures on 1971 Honda St50- 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.

Motorcycle brakes — 1.2% of failures

Motorcycle brakes issues account for 1.2% of MOT failures on 1971 Honda St50- 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.

Share via WhatsApp Share on Facebook Report Issue