DVSA Statistics
1977 Triumph Tr 7
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1977 Triumph Tr 7 (only 30 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 30 DVSA anonymised MOT tests · About this data
Pass Rate
83.3%
Higher than average
Limited data available for this model; results may be less representative.
Top Failure Reasons
Common MOT failures for this model
Parts Available
Brakes are a common wear item.
Based on DVSA statistics from 30 recorded tests.
Pre-MOT Checklist for 1977 Triumph Tr 7
Based on common failure points for this model, check these items before your MOT:
- 1
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
- 2
Ensure engine is at operating temperature before test - take a good run beforehand
Emissions – Common fail on this model
- 3
Check for excessive play in steering wheel - should be minimal free movement
Steering – Common fail on this model
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Frequently Asked Questions
Is a 1977 Triumph Tr 7 likely to fail its MOT?
Based on DVSA statistics, the 1977 Triumph Tr 7 has a 83.3% 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 1977 Triumph Tr 7?
The most common MOT failure reasons for a 1977 Triumph Tr 7 are: a wheel bearing with excessive play, brake disc or drum excessively weakened, insecure or fractured, emissions levels exceed default limits. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1977 Triumph Tr 7 fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: a wheel bearing with excessive play, brake disc or drum excessively weakened, insecure or fractured, emissions levels exceed default limits. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1977 Triumph Tr 7s fail their MOT?
Around 17% of 1977 Triumph Tr 7s fail their MOT test, meaning roughly 1 in 6 don't pass first time. The most common reasons are a wheel bearing with excessive play and brake disc or drum excessively weakened, insecure or fractured. Pre-checking these items can significantly improve your chances.
What should I check before my 1977 Triumph Tr 7 MOT?
Before your 1977 Triumph Tr 7 MOT, check these commonly-failed items: a wheel bearing with excessive play, brake disc or drum excessively weakened, insecure or fractured, emissions levels exceed default limits. 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 1977 Triumph Tr 7 reliable for MOT?
With a 83.3% MOT pass rate, the 1977 Triumph Tr 7 performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.