DVSA Statistics
1983 Yamaha Xs400
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1983 Yamaha Xs400 (only 4 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 4 DVSA anonymised MOT tests · About this data
Pass Rate
50%
Lower 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
Headlight bulbs are a common MOT fail. Easy DIY replacement.
Based on DVSA statistics from 4 recorded tests.
Pre-MOT Checklist for 1983 Yamaha Xs400
Based on common failure points for this model, check these items before your MOT:
- 1
Test all headlights work and aim is correct - check for condensation inside
Lighting – Common fail on this model
- 2
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
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Frequently Asked Questions
Is a 1983 Yamaha Xs400 likely to fail its MOT?
Based on DVSA statistics, the 1983 Yamaha Xs400 has a 50% MOT pass rate. This is below average, so extra pre-MOT checks are recommended.
What are the most common MOT failures on a 1983 Yamaha Xs400?
The most common MOT failure reasons for a 1983 Yamaha Xs400 are: a headlamp missing, inoperative or more than â½ not functioning in the case of led, a stop lamp(s) remains on when the brakes are released, fuel system leaking, or missing or ineffective filler cap. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1983 Yamaha Xs400 fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: a headlamp missing, inoperative or more than â½ not functioning in the case of led, a stop lamp(s) remains on when the brakes are released, fuel system leaking, or missing or ineffective filler cap. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1983 Yamaha Xs400s fail their MOT?
Around 50% of 1983 Yamaha Xs400s fail their MOT test, meaning roughly 1 in 2 don't pass first time. The most common reasons are a headlamp missing, inoperative or more than â½ not functioning in the case of led and a stop lamp(s) remains on when the brakes are released. Pre-checking these items can significantly improve your chances.
What should I check before my 1983 Yamaha Xs400 MOT?
Before your 1983 Yamaha Xs400 MOT, check these commonly-failed items: a headlamp missing, inoperative or more than â½ not functioning in the case of led, a stop lamp(s) remains on when the brakes are released, fuel system leaking, or missing or ineffective filler cap. 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 1983 Yamaha Xs400 reliable for MOT?
With a 50% MOT pass rate, the 1983 Yamaha Xs400 performs below average compared to typical vehicles. Extra attention to pre-MOT checks is recommended for this model.