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Pass Your MOT

1971 Honda St1100 MOT Pass Rate

Pass rate for St1100 models manufactured in 1971, based on 34 real MOT test results.

73.5%
Pass Rate
26.5%
Fail Rate
34
Total Tests
58,859
Avg Mileage

Data from official DVSA MOT testing records

1971 Honda St1100 MOT Analysis

The 1971 Honda St1100 has an MOT pass rate of 73.5% based on 34 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 58,859 miles on the odometer. With a 26.5% failure rate, the 1971 St1100 is rated as "Very Good" for MOT reliability.

The leading cause of MOT failure for the 1971 Honda St1100 is Motorcycle brakes, responsible for 5.9% 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 fuel and exhaust is the second most common issue at 2.9%. Motorcycle lighting and signalling follows at 2.9%.

⚠ Based on limited data (34 tests)

Top failures specific to 1971 models only. The overall St1100 page may show different rankings.

What Fails Most

Motorcycle brakes 5.9%
Motorcycle fuel and exhaust 2.9%
Motorcycle lighting and signalling 2.9%

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 Brakes5.9%2
2Motorcycle Fuel And Exhaust2.9%1
3Motorcycle Lighting And Signalling2.9%1
4Motorcycle Steering And Suspension2.9%1

Failures per 10,000 Miles

avg. 58,859 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 brakes1.00% per 10K miMotorcycle fuel and exhaust0.50% per 10K miMotorcycle lighting and signalling0.50% per 10K miMotorcycle steering and suspension0.50% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle brakes1.005.9%2
Motorcycle fuel and exhaust0.502.9%1
Motorcycle lighting and signalling0.502.9%1
Motorcycle steering and suspension0.502.9%1

Mileage Statistics

58,859
Mean
63,536
Median
28,455
25th Percentile
81,343
75th Percentile
4.50% failures per 10K miles

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

About This Data

The 1971 Honda St1100 has an MOT pass rate of 73.5% based on 34 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 58,859 miles on the odometer. With a 26.5% failure rate, the 1971 St1100 is rated as "Very Good" for MOT reliability.

If you own or are considering buying a 1971 Honda St1100, 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). At 58,859 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Motorcycle brakes — 5.9% of failures

Motorcycle brakes issues account for 5.9% of MOT failures on 1971 Honda St1100 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 fuel and exhaust — 2.9% of failures

Motorcycle fuel and exhaust issues account for 2.9% of MOT failures on 1971 Honda St1100 models. Motorcycle fuel and exhaust 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 — 2.9% of failures

Motorcycle lighting and signalling issues account for 2.9% of MOT failures on 1971 Honda St1100 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.

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