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OY21 SLZ

2021 Mutt Mongrel 125

Black Petrol 125cc
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MOT Status

Valid
Expires19 May 2027
Tests4 (3 pass, 1 fail)
Pass rate75%

Mileage

11,644 mi
Last recorded11,644 miles
Recorded on20 May 2026
Typical for 2021 Mutt Mongrel 1252,973 mi

Significantly above average — investigate

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

RegistrationOY21 SLZ
MakeMutt
ModelMongrel 125
Year2021
ColourBlack
Fuel typePetrol
Engine125cc

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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

3 pass 1 fail
Pass 20 May 2026 11,644 miles
Fail 5 May 2026 11,610 miles

Drive chain worn to excess (6.1.7 (c) (i))

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

Headlamp aim too low (4.1.2 (a))

Rear Brake effort inadequate at a wheel (1.2.1 (a) (i))

Rear Brake excessively binding (1.2.1 (f))

Rear Drive chain sprocket worn to excess (6.1.7 (c) (i))

Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i))

Rear Brake pad(s) less than 1.0 mm thick (1.1.13 (a)) DANGEROUS

Stop lamp remains on when the brakes are released (4.3.2 (a) (iii)) DANGEROUS

front brake lever damaged

Pass 25 Apr 2025 8,191 miles
Pass 2 May 2024 7,355 miles

Front Brake indicates slight fluctuation of brake effort (1.2.1 (e))

How Reliable is the Mutt Mongrel 125?

Based on 5,007 MOT tests across 1,476 vehicles.

75.2%
Pass Rate
733
Miles/Year
10
Year Lifespan
1,476
On UK Roads
Full Mutt Mongrel 125 reliability report

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OY21 SLZ is a 2021 Mutt Mongrel 125 in Black with a 125cc petrol engine. This vehicle has been through 4 MOT tests with a personal pass rate of 75%.

Across all 2021 Mutt Mongrel 125 models, the average MOT pass rate is 77.8% with a typical mileage of 2,973 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The Mutt Mongrel 125 typically stays on UK roads for around 10 years. At 5 years old, this Mutt Mongrel 125 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of OY21 SLZ?

You can check the full history of OY21 SLZ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was OY21 SLZ registered?

OY21 SLZ is a 2021 Mutt Mongrel 125, first registered on 26 March 2021.

Is OY21 SLZ safe to buy?

The MOT history for OY21 SLZ shows 4 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does OY21 SLZ 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 OY21 SLZ. 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.