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Bsa Lightning Reliability, MOT Pass Rate & Common Faults

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Is the Bsa Lightning reliable? We analysed 817 real MOT tests across 145 vehicles to find out.

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Data last updated: · Based on 817 real MOT tests
MOT Pass Rate
93.3%
Typical Mileage
10,596mi
Annual Mileage
204mi/yr
Est. Lifespan
60yrs

The Bsa Lightning is above average for reliability based on real UK MOT data. Common problems include horn not working, stop lamp does not illuminate immediately a brake applies and wheel bearings have excessive free play. Here's everything you need to know before buying a used Bsa Lightning.

Bsa Lightning Number Plates

Number plates registered to a Bsa Lightning. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Bsa Lightning MOT Pass Rate by Year

How likely is a Bsa Lightning to pass its MOT? Here's the pass rate for each registration year, newest first.

95.7%
1972
93.3%
1971
93.4%
1970
85.2%
1969
93.2%
1968
88.7%
1967
92.5%
1966

Bsa Lightning Problems — What Goes Wrong?

The most common reasons a Bsa Lightning fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Horn not working 2
Stop lamp does not illuminate immediately a brake applies 2
wheel bearings have excessive free play 2
Throttle has a significant change in engine speed whilst moving the steering from lock to lock 2
Direction indicator not working 1
Direction indicators affected by the operation of another lamp 1
Drive chain excessively loose 1
Headlamp aim too high 1
Headlamp at least one does not illuminate on dipped beam 1
Brake back plate(s) insecure 1

Bsa Lightning Mileage — What's Normal?

How many miles does a typical Bsa Lightning owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
70 mi/yr
Typical
204 mi/yr
Average
851 mi/yr
Heavy usage
537 mi/yr

Bsa Lightning MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Bsa Lightning year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
1972 115 95.7% 7,388 27,289 43,554
1971 60 93.3% 3,439 8,392 13,738
1970 61 93.4% 5,358 25,548 32,020
1969 88 85.2% 2,306 10,429 15,944
1968 59 93.2% 2,150 9,324 14,276
1967 53 88.7% 2,620 6,092 19,917
1966 67 92.5% 4,669 9,968 14,980

How Long Does a Bsa Lightning Last?

Based on 145 Bsa Lightning vehicles on UK roads.

Average
34.9 years
Median
43.0 years
Estimated max lifespan
60 years

Bsa Lightning Mileage Distribution

Total mileage recorded across all Bsa Lightning MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
10,596 mi
75th Percentile
19,702 mi
95th Percentile
56,615 mi
Max Recorded
135,838 mi

Best Year to Buy a Used Bsa Lightning

Based on MOT pass rates across all registration years with sufficient test data.

Best year
1972

95.7% MOT pass rate from 115 tests

Year to avoid
1969

85.2% MOT pass rate from 88 tests

The best year to buy a used Bsa Lightning is 1972, which has the highest MOT pass rate at 95.7% across 115 tests. The 1969 model year has the lowest pass rate at 85.2% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Bsa Lightning Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Bsa Lightning THIS CAR 93.3% 817 10,596 mi 60 yrs
Bsa A10 92.2% 10,105 12,338 mi 74 yrs
Bsa Bantam 89.9% 7,723 13,212 mi 77 yrs
Bsa C15 90.2% 6,096 14,541 mi 67 yrs
Yamaha Rd 250 87.3% 757 20,384 mi 50 yrs

Compared to the Bsa A10 (92.2% pass rate) and the Bsa Bantam (89.9% pass rate), the Bsa Lightning outperforms both on MOT reliability.

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Should you buy a used Bsa Lightning?

The Bsa Lightning has an overall MOT pass rate of 93.3% across 817 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

The most common problems on the Bsa Lightning are horn not working (2 recorded failures), stop lamp does not illuminate immediately a brake applies (2), and wheel bearings have excessive free play (2). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.

A typical Bsa Lightning owner drives around 204 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

In terms of longevity, most Bsa Lightning models stay on UK roads for around 60 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Bsa Lightning — Frequently Asked Questions

Is the Bsa Lightning reliable?
Based on 817 MOT tests, the Bsa Lightning has a 93.3% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Bsa Lightning?
The most common MOT failures are horn not working, stop lamp does not illuminate immediately a brake applies, and wheel bearings have excessive free play. Check these on any test drive.
How many miles does a Bsa Lightning do per year?
The typical Bsa Lightning does around 204 miles per year. Anything significantly above or below this is worth investigating.
How long does a Bsa Lightning last?
Most Bsa Lightning models stay on UK roads for around 60 years based on our analysis of 145 vehicles.
Should I get a vehicle check before buying a Bsa Lightning?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Bsa Lightning?
Based on MOT pass rates, the best year to buy a used Bsa Lightning is 1972 with a 95.7% pass rate across 115 tests.