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YUY 991R

1977 Yamaha Dt

Blue Petrol 398cc
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MOT Status

Valid
Expires10 May 2027
Tests7 (7 pass, 0 fail)
Pass rate100%

Mileage

5,357 mi
Last recorded5,357 miles
Recorded on11 May 2026
Typical for 1977 Yamaha Dt17,434 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

RegistrationYUY 991R
MakeYamaha
ModelDt
Year1977
ColourBlue
Fuel typePetrol
Engine398cc

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

7 pass
Pass 11 May 2026 5,357 miles
Pass 11 Mar 2025 5,357 miles
Pass 18 Mar 2024 5,327 miles
Pass 11 Jan 2023 5,155 miles
Pass 20 Jun 2012 4,849 miles
Pass 16 Jun 2011 4,839 miles
Pass 23 Jun 2006 4,822 miles

How Reliable is the Yamaha Dt?

Based on 1,828 MOT tests across 323 vehicles.

76.9%
Pass Rate
303
Miles/Year
49
Year Lifespan
323
On UK Roads

Top MOT Failure Points

Stop lamp does not illuminate immediately a brake applies 42
reflector on motorcycle missing 34
Direction indicator not working 29
Direction indicators not working 28
Headlamp at least one does not illuminate on dipped beam 27
Full Yamaha Dt reliability report

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YUY 991R is a 1977 Yamaha Dt in Blue with a 398cc petrol engine. This vehicle has been through 7 MOT tests with a personal pass rate of 100%.

Across all 1977 Yamaha Dt models, the average MOT pass rate is 83.3% with a typical mileage of 17,434 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Yamaha Dt fails its MOT is stop lamp does not illuminate immediately a brake applies, accounting for 42 recorded failures. If you're considering buying YUY 991R, it's worth having these areas checked by a mechanic before committing.

The Yamaha Dt typically stays on UK roads for around 49 years. At 49 years old, this Yamaha Dt is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of YUY 991R?

You can check the full history of YUY 991R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was YUY 991R registered?

YUY 991R is a 1977 Yamaha Dt, first registered on 24 May 1977.

Is YUY 991R safe to buy?

The MOT history for YUY 991R shows 7 tests with a 100% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does YUY 991R 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 YUY 991R. 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.