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D431 ACX

1987 Yamaha DT50

Blue Petrol 49cc
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MOT Status

Valid
Expires27 Jul 2026
Tests4 (2 pass, 2 fail)
Pass rate50%

Mileage

17,917 mi
Last recorded17,917 miles
Recorded on28 Jul 2025
Typical for 1987 Yamaha DT5022,217 mi

Below or average mileage for this year

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

RegistrationD431 ACX
MakeYamaha
ModelDT50
Year1987
ColourBlue
Fuel typePetrol
Engine49cc

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

2 pass 2 fail
Pass 28 Jul 2025 17,917 miles

Rear Shock absorber has a slightly worn bush (5.3.2 (c))

Wheel alignment slightly misaligned (2.4 (a))

Fail 28 Jul 2025 17,917 miles

Headlamp aim too high (4.1.2 (a))

Rear Shock absorber has a slightly worn bush (5.3.2 (c))

Wheel alignment slightly misaligned (2.4 (a))

Fail 24 Jul 2025 17,916 miles

Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i))

Front Wheel spindle locking device missing (5.2.1 (d))

Headlamp aim unable to be tested (4.1.2 (b))

Headlamp not working on dipped beam (4.1.1 (a) (ii))

Headlamp not working on main beam (4.1.1 (a) (ii))

Horn sound not in accordance with requirements (7.7 (c))

Nearside Front Direction indicator not working (4.4.1 (a) (ii))

Rear Position lamp not working (4.2.1 (a))

Rear Wheel spindle locking device missing (5.2.1 (d))

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

Rear Tyre has a tear caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Front Brake binding but not excessively (1.2.1 (f))

Rear Shock absorber has a slightly worn bush (5.3.2 (c))

Slight cracking in sidewalls of front tyre.

Wheel alignment slightly misaligned (2.4 (a))

Pass 21 Sep 2016 17,847 miles

How Reliable is the Yamaha DT50?

Based on 3,954 MOT tests across 804 vehicles.

70.6%
Pass Rate
385
Miles/Year
44
Year Lifespan
804
On UK Roads

Top MOT Failure Points

Stop lamp does not illuminate immediately a brake applies 200
reflector on motorcycle missing 181
Direction indicators not working 91
shock absorber seal failed and leaking oil 84
Direction indicator not working 79
Full Yamaha DT50 reliability report

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D431 ACX is a 1987 Yamaha DT50 in Blue with a 49cc petrol engine. This vehicle has been through 4 MOT tests with a personal pass rate of 50%.

Across all 1987 Yamaha DT50 models, the average MOT pass rate is 71.7% with a typical mileage of 22,217 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 Yamaha DT50 fails its MOT is stop lamp does not illuminate immediately a brake applies, accounting for 200 recorded failures. If you're considering buying D431 ACX, it's worth having these areas checked by a mechanic before committing.

The Yamaha DT50 typically stays on UK roads for around 44 years. At 39 years old, this Yamaha DT50 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of D431 ACX?

You can check the full history of D431 ACX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was D431 ACX registered?

D431 ACX is a 1987 Yamaha DT50, first registered on 2 June 1987.

Is D431 ACX safe to buy?

The MOT history for D431 ACX shows 4 tests with a 50% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does D431 ACX 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 D431 ACX. 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.