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1978 Honda Tl125 MOT Pass Rate

Pass rate for Tl125 models manufactured in 1978, based on 42 real MOT test results.

83.3%
Pass Rate
16.7%
Fail Rate
42
Total Tests
10,480
Avg Mileage

Data from official DVSA MOT testing records

1978 Honda Tl125 MOT Analysis

The 1978 Honda Tl125 has an MOT pass rate of 83.3% based on 42 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 10,480 miles on the odometer. With a 16.7% failure rate, the 1978 Tl125 is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1978 Honda Tl125 is Motorcycle brakes, responsible for 4.8% 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.

⚠ Based on limited data (42 tests)

Top failures specific to 1978 models only. The overall Tl125 page may show different rankings.

What Fails Most

Motorcycle brakes 4.8%

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 Brakes4.8%2

Failures per 10,000 Miles

avg. 10,480 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 brakes4.54% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle brakes4.544.8%2

Mileage Statistics

10,480
Mean
5,499
Median
2,810
25th Percentile
10,369
75th Percentile
15.94% failures per 10K miles

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

About This Data

The 1978 Honda Tl125 has an MOT pass rate of 83.3% based on 42 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 10,480 miles on the odometer. With a 16.7% failure rate, the 1978 Tl125 is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1978 Honda Tl125, 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 10,480 miles, many of these vehicles are still in good mechanical condition.

Motorcycle brakes — 4.8% of failures

Motorcycle brakes issues account for 4.8% of MOT failures on 1978 Honda Tl125 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.

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