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Pass Your MOT

1966 Triumph T100 MOT Pass Rate

Pass rate for T100 models manufactured in 1966, based on 228 real MOT test results.

89.0%
Pass Rate
11.0%
Fail Rate
228
Total Tests
11,565
Avg Mileage

Data from official DVSA MOT testing records

1966 Triumph T100 MOT Analysis

The 1966 Triumph T100 has an MOT pass rate of 89.0% based on 228 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 11,565 miles on the odometer. With a 11.0% failure rate, the 1966 T100 is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1966 Triumph T100 is Motorcycle steering and suspension, responsible for 2.2% of failures. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs range from £200–500. Motorcycle drive system is the second most common issue at 0.4%. Motorcycle lighting and signalling follows at 0.4%.

Top failures specific to 1966 models only. The overall T100 page may show different rankings.

What Fails Most

Motorcycle steering and suspension 2.2%
Motorcycle drive system 0.4%
Motorcycle lighting and signalling 0.4%

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 Steering And Suspension2.2%5
2Motorcycle Drive System0.4%1
3Motorcycle Lighting And Signalling0.4%1
4Motorcycle Brakes0.4%1

Failures per 10,000 Miles

avg. 11,565 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 steering and suspension1.90% per 10K miMotorcycle drive system0.38% per 10K miMotorcycle lighting and signalling0.38% per 10K miMotorcycle brakes0.38% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle steering and suspension1.902.2%5
Motorcycle drive system0.380.4%1
Motorcycle lighting and signalling0.380.4%1
Motorcycle brakes0.380.4%1

Mileage Statistics

11,565
Mean
5,604
Median
1,122
25th Percentile
11,852
75th Percentile
9.51% failures per 10K miles

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

About This Data

The 1966 Triumph T100 has an MOT pass rate of 89.0% based on 228 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 11,565 miles on the odometer. With a 11.0% failure rate, the 1966 T100 is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1966 Triumph T100, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle steering and suspension: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks. With relatively low average mileage of 11,565 miles, many of these vehicles are still in good mechanical condition.

Motorcycle steering and suspension — 2.2% of failures

Motorcycle steering and suspension issues account for 2.2% of MOT failures on 1966 Triumph T100 models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.

Motorcycle drive system — 0.4% of failures

Motorcycle drive system issues account for 0.4% of MOT failures on 1966 Triumph T100 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 — 0.4% of failures

Motorcycle lighting and signalling issues account for 0.4% of MOT failures on 1966 Triumph T100 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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