DVSA Statistics
1974 Triumph S
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1974 Triumph S (only 11 tests in our DVSA dataset), so these figures are a rough guide. We still highlight common failure items below so you can check before your MOT.
Pass Rate
Based on 11 DVSA anonymised MOT tests · About this data
Pass Rate
81.8%
Higher than average
Limited data available for this model; results may be less representative.
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Indicator bulbs are quick and cheap to replace.
Based on DVSA statistics from 11 recorded tests.
Pre-MOT Checklist for 1974 Triumph S
Based on common failure points for this model, check these items before your MOT:
- 1
Test all indicators flash at the correct rate - check front, rear, and side repeaters
Lighting – Common fail on this model
- 2
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
How Does This Compare to Other Years?
Previous Year
1973 Triumph S
Based on 12 UK MOT tests
Next Year
1975 Triumph S
Based on 5 UK MOT tests
The 1974 model has a lower pass rate than 1973, but performs better than 1975.
Why Trust This Data?
Official UK Government Source
This data comes from the UK's Driver and Vehicle Standards Agency (DVSA), the official body responsible for MOT testing standards. The anonymised MOT test data is published via data.gov.uk.
Understanding the Statistics
This page is based on 11 MOT tests from the 2023 DVSA dataset. Your 1974 Triumph S was 49 years old when this data was collected and is now 52 years old.
Sample Size
Limited data - 11 tests (use as rough guide only)
Limitations
Statistics reflect average outcomes and don't account for maintenance history, mileage, or regional variations. Individual results will vary based on how well a vehicle has been maintained.
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Triumph S.
Frequently Asked Questions
Is a 1974 Triumph S likely to fail its MOT?
Based on DVSA statistics, the 1974 Triumph S has a 81.8% MOT pass rate. This is above average, indicating good reliability for a vehicle of this age.
What are the most common MOT failures on a 1974 Triumph S?
The most common MOT failure reasons for a 1974 Triumph S are: a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc, a spring or spring component fractured or seriously weakened. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1974 Triumph S fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc, a spring or spring component fractured or seriously weakened. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1974 Triumph Ss fail their MOT?
Around 18% of 1974 Triumph Ss fail their MOT test, meaning roughly 1 in 6 don't pass first time. The most common reasons are a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning and a suspension joint dust cover missing or no longer prevents the ingress of dirt etc. Pre-checking these items can significantly improve your chances.
What should I check before my 1974 Triumph S MOT?
Before your 1974 Triumph S MOT, check these commonly-failed items: a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc, a spring or spring component fractured or seriously weakened. Most are visual checks you can do at home – look for worn tyres, test all lights work, and check for obvious damage or leaks.
Is the 1974 Triumph S reliable for MOT?
With a 81.8% MOT pass rate, the 1974 Triumph S performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.