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NK55 GYJ

2005 Better Bt 125-20

Black Petrol 124cc
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MOT Status

Valid
Expires23 Feb 2027
Tests7 (5 pass, 2 fail)
Pass rate71.4%

Mileage

5,643 mi
Last recorded5,643 miles
Recorded on24 Feb 2026
Typical for 2005 Better Bt 125-204,939 mi

Above average mileage for this year

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

RegistrationNK55 GYJ
MakeBetter
ModelBt 125-20
Year2005
ColourBlack
Fuel typePetrol
Engine124cc

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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

5 pass 2 fail
Pass 24 Feb 2026 5,643 miles

incorrect battery fitted and wiring very poor, battery to small to start the engine

Fail 24 Feb 2026 5,643 miles

incorrect battery fitted and wiring very poor, battery to small to start the engine

Offside Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii))

Pass 24 Jun 2024 4,660 miles

Drive chain slightly loose (6.1.7 (c) (i))

Nearside Front Shock absorber has a light misting of oil (5.3.2 (b))

Offside Front Shock absorber has a light misting of oil (5.3.2 (b))

front forks pitted

Pass 2 Jun 2023 4,164 miles

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

Offside Front Shock absorber has a light misting of oil (5.3.2 (b))

front forks pitted

tyres over ten years old

Pass 17 Jun 2022 3,438 miles

Nearside Front Shock absorber has a light misting of oil (5.3.2 (b))

front forks pitted

tyres over ten years old

Pass 23 Mar 2009 3,213 miles
Fail 17 Mar 2009 3,182 miles

Drive chain excessively tight (6.2.1d)

Drive chain worn to excess (6.2.1e)

Steering movement excessively 'notchy' with the weight on the lower bearing (2.2.1a)

Steering movement excessively stiff with the weight on the lower bearing (2.2.1a)

How Reliable is the Better Bt 125-20?

Based on 1,290 MOT tests across 286 vehicles.

67.8%
Pass Rate
688
Miles/Year
21
Year Lifespan
286
On UK Roads

Top MOT Failure Points

Stop lamp does not illuminate immediately a brake applies 53
Tyre tread depth is below minimum requirements of 1.0mm 42
Footrest missing 36
shock absorber seal failed and leaking oil 34
reflector on motorcycle missing 30
Full Better Bt 125-20 reliability report

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NK55 GYJ is a 2005 Better Bt 125-20 in Black with a 124cc petrol engine. This vehicle has been through 7 MOT tests with a personal pass rate of 71.4%.

Across all 2005 Better Bt 125-20 models, the average MOT pass rate is 69.8% with a typical mileage of 4,939 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Better Bt 125-20 fails its MOT is stop lamp does not illuminate immediately a brake applies, accounting for 53 recorded failures. If you're considering buying NK55 GYJ, it's worth having these areas checked by a mechanic before committing.

The Better Bt 125-20 typically stays on UK roads for around 21 years. At 21 years old, this Better Bt 125-20 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of NK55 GYJ?

You can check the full history of NK55 GYJ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was NK55 GYJ registered?

NK55 GYJ is a 2005 Better Bt 125-20, first registered on 14 September 2005.

Is NK55 GYJ safe to buy?

The MOT history for NK55 GYJ shows 7 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does NK55 GYJ 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 NK55 GYJ. 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.