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1981 Honda Cm400t MOT Pass Rate

Pass rate for Cm400t models manufactured in 1981, based on 34 real MOT test results.

91.2%
Pass Rate
8.8%
Fail Rate
34
Total Tests
41,198
Avg Mileage

Data from official DVSA MOT testing records

1981 Honda Cm400t MOT Analysis

The 1981 Honda Cm400t has an MOT pass rate of 91.2% based on 34 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 41,198 miles on the odometer. With a 8.8% failure rate, the 1981 Cm400t is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1981 Honda Cm400t is Motorcycle drive system, responsible for 2.9% of failures. 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 range from £100–400. Motorcycle lighting and signalling is the second most common issue at 2.9%.

⚠ Based on limited data (34 tests)

Top failures specific to 1981 models only. The overall Cm400t page may show different rankings.

What Fails Most

Motorcycle drive system 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 Drive System2.9%1
2Motorcycle Lighting And Signalling2.9%1

Failures per 10,000 Miles

avg. 41,198 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 drive system0.71% per 10K miMotorcycle lighting and signalling0.71% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle drive system0.712.9%1
Motorcycle lighting and signalling0.712.9%1

Mileage Statistics

41,198
Mean
45,681
Median
27,940
25th Percentile
51,627
75th Percentile
2.14% failures per 10K miles

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

About This Data

The 1981 Honda Cm400t has an MOT pass rate of 91.2% based on 34 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 41,198 miles on the odometer. With a 8.8% failure rate, the 1981 Cm400t is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1981 Honda Cm400t, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle drive system: 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 41,198 miles, many of these vehicles are still in good mechanical condition.

Motorcycle drive system — 2.9% of failures

Motorcycle drive system issues account for 2.9% of MOT failures on 1981 Honda Cm400t 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 — 2.9% of failures

Motorcycle lighting and signalling issues account for 2.9% of MOT failures on 1981 Honda Cm400t 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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