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GON 21W

1980 Bsa Unknown

Black Petrol 50cc
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MOT Status

Valid
Expires14 Nov 2026
Tests6 (5 pass, 1 fail)
Pass rate83.3%

Mileage

50,771 mi
Last recorded50,771 miles
Recorded on15 Nov 2025
4 checks still locked for this Bsa
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationGON 21W
MakeBsa
ModelUnknown
Year1980
ColourBlack
Fuel typePetrol
Engine50cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

5 pass 1 fail
Pass 15 Nov 2025 50,771 miles
Pass 17 Aug 2024 50,700 miles
Pass 11 Feb 2023 50,639 miles
Pass 2 Jul 2021 50,600 miles

Front Tyre worn close to the legal limit (5.2.3 (e))

Pass 5 Oct 2019 50,228 miles

Front Wheel bearing has slight play (5.1.3 (a) (i))

Rear Tyre worn close to the legal limit (5.2.3 (e))

Fail 5 Oct 2019 50,228 miles

Front Wheel bearing has slight play (5.1.3 (a) (i))

Horn not working (7.7 (a) (ii))

Rear Tyre worn close to the legal limit (5.2.3 (e))

Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a))

Rear reflector missing (4.8.2 (a) (ii))

How Reliable is the Bsa Unknown?

Based on 2,422 MOT tests across 1,982 vehicles.

89.6%
Pass Rate
159
Miles/Year
71
Year Lifespan
1,982
On UK Roads

Top MOT Failure Points

position lamp does not illuminate immediately when it is switched on 8
Stop lamp does not illuminate immediately a brake applies 7
Headlamp at least one does not illuminate on dipped beam 7
Horn not working 5
Stop lamp remains on when the brake is released 5
Full Bsa Unknown reliability report

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GON 21W is a 1980 Bsa Unknown in Black with a 50cc petrol engine. This vehicle has been through 6 MOT tests with a personal pass rate of 83.3%.

The most common reason a Bsa Unknown fails its MOT is position lamp does not illuminate immediately when it is switched on, accounting for 8 recorded failures. If you're considering buying GON 21W, it's worth having these areas checked by a mechanic before committing.

The Bsa Unknown typically stays on UK roads for around 71 years. At 46 years old, this Bsa Unknown is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of GON 21W?

You can check the full history of GON 21W by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GON 21W registered?

GON 21W is a 1980 Bsa Unknown, first registered on 4 August 1980.

Is GON 21W safe to buy?

The MOT history for GON 21W shows 6 tests with a 83.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GON 21W have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on GON 21W. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.