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J139 CGT

1991 Mz ETZ125

Blue Petrol 123cc
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MOT Status

Expired
Expires29 Jun 2026
Tests14 (11 pass, 3 fail)
Pass rate78.6%

Mileage

57,435 mi
Last recorded57,435 miles
Recorded on30 Jun 2025
Typical for 1991 Mz ETZ12518,789 mi

Significantly above average — investigate

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

RegistrationJ139 CGT
MakeMz
ModelETZ125
Year1991
ColourBlue
Fuel typePetrol
Engine123cc

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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

11 pass 3 fail
Pass 30 Jun 2025 57,435 miles

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

Registration plate deteriorated but not likely to be misread (0.1 (b))

Fail 30 Jun 2025 57,435 miles

Nearside Rear Footrest insecure (6.2.12 (a))

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

Registration plate deteriorated but not likely to be misread (0.1 (b))

Pass 15 Dec 2022 56,502 miles
Fail 15 Dec 2022 56,502 miles

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

Pass 13 Feb 2021 52,491 miles
Pass 24 Jan 2018 52,487 miles
Pass 17 Sep 2016 52,447 miles
Pass 9 Sep 2015 52,396 miles
Pass 6 Feb 2010 14,490 miles
Pass 13 Mar 2009 40,207 miles
Pass 11 Mar 2008 39,362 miles
Pass 14 Mar 2007 38,275 miles
Fail 14 Mar 2007 38,275 miles

Front Headlamp at least one does not illuminate on dipped beam (1.2.2a(i))

Horn not working (1.7.3a)

Pass 14 Mar 2006 36,744 miles

How Reliable is the Mz ETZ125?

Based on 1,183 MOT tests across 236 vehicles.

80.5%
Pass Rate
459
Miles/Year
40
Year Lifespan
236
On UK Roads

Top MOT Failure Points

Stop lamp does not illuminate immediately a brake applies 34
shock absorber seal failed and leaking oil 22
Tyre tread depth is below minimum requirements of 1.0mm 16
Roller brake test indicates a binding brake 8
Roller brake test indicates excessive fluctuation of brake effort 8
Full Mz ETZ125 reliability report

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J139 CGT is a 1991 Mz ETZ125 in Blue with a 123cc petrol engine. This vehicle has been through 14 MOT tests with a personal pass rate of 78.6%.

Across all 1991 Mz ETZ125 models, the average MOT pass rate is 83.6% with a typical mileage of 18,789 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Mz ETZ125 fails its MOT is stop lamp does not illuminate immediately a brake applies, accounting for 34 recorded failures. If you're considering buying J139 CGT, it's worth having these areas checked by a mechanic before committing.

The Mz ETZ125 typically stays on UK roads for around 40 years. At 35 years old, this Mz ETZ125 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of J139 CGT?

You can check the full history of J139 CGT by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was J139 CGT registered?

J139 CGT is a 1991 Mz ETZ125, first registered on 11 November 1991.

Is J139 CGT safe to buy?

The MOT history for J139 CGT shows 14 tests with a 78.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does J139 CGT 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 J139 CGT. 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.