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WJN 339J

1970 MG B

Red Petrol 1798cc
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MOT Status

Valid
Expires17 Jun 2027
Tests12 (10 pass, 2 fail)
Pass rate83.3%

Mileage

11,120 mi
Last recorded11,120 miles
Recorded on19 May 2026
Typical for 1970 MG B35,160 mi

Below or average mileage for this year

4 checks still locked for this MG
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationWJN 339J
MakeMG
ModelB
Year1970
ColourRed
Fuel typePetrol
Engine1,798cc

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

10 pass 2 fail
Pass 19 May 2026 11,120 miles
Pass 27 May 2025 10,494 miles
Pass 30 May 2024 9,833 miles
Pass 1 Jun 2023 9,366 miles
Pass 10 Jun 2022 8,811 miles
Fail 7 Jun 2022 8,811 miles

Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Exhaust has a minor leak of exhaust gases centre joint (6.1.2 (a))

Nearside Front brake has restricted free movement

Pass 18 Jun 2021 8,123 miles
Pass 23 Sep 2016 6,451 miles
Pass 26 Oct 2015 5,323 miles

Nearside Front Upper slight play front suspension

Pass 4 Nov 2014 2,796 miles

Slight chaffing on metal brake pipes on front crossmember and adjacent to starter motor, would benefit from some eadditional support

Some freeplay at o/s/f antiroll bar 'd' bush

Pass 22 Nov 2013 1,630 miles

Centre Exhaust has a minor leak of exhaust gases (7.1.2)

Engine only idles on choke

Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Fail 14 Nov 2013 1,630 miles

Brake pedal spongy (3.3.B.1b)

Nearside Front Front wheel bearing has excessive play (2.5.A.3c)

Nearside Rear Mechanical brake component has restricted free movement (3.5.1k)

Offside Front Headlamp missing (1.7.3)

Offside Rear Mechanical brake component has restricted free movement (3.5.1k)

Offside Rear Rear wheel bearing has excessive play (2.6.2)

Parking brake lever has no reserve travel (3.1.6b)

Windscreen washer provides insufficient washer liquid (8.2.3)

Parking brake: efficiency below requirements (3.7.B.7) DANGEROUS

Service brake: efficiency below requirements (3.7.B.7) DANGEROUS

Centre Exhaust has a minor leak of exhaust gases (7.1.2)

Engine only idles on choke

Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

How Reliable is the MG B?

Based on 191,608 MOT tests across 19,443 vehicles.

78.1%
Pass Rate
381
Miles/Year
63
Year Lifespan
19,443
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 5,224
brake binding 4,089
Parking brake: efficiency below requirements 3,715
Stop lamp not working 3,343
Steering rack gaiter split 2,887
Full MG B reliability report

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WJN 339J is a 1970 MG B in Red with a 1,798cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 83.3%.

Across all 1970 MG B models, the average MOT pass rate is 80.5% with a typical mileage of 35,160 miles. This particular vehicle has performed better than the average for its year.

The most common reason a MG B fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 5,224 recorded failures. If you're considering buying WJN 339J, it's worth having these areas checked by a mechanic before committing.

The MG B typically stays on UK roads for around 63 years. At 56 years old, this MG B is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of WJN 339J?

You can check the full history of WJN 339J by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was WJN 339J registered?

WJN 339J is a 1970 MG B, first registered on 29 September 1970.

Is WJN 339J safe to buy?

The MOT history for WJN 339J shows 12 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 WJN 339J 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 WJN 339J. 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.