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YRW 788S

1978 Triumph Stag

Green Petrol 2997cc
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MOT Status

Valid
Expires26 May 2027
Tests19 (18 pass, 1 fail)
Pass rate94.7%

Mileage

62,151 mi
Last recorded62,151 miles
Recorded on30 Apr 2026
Typical for 1978 Triumph Stag62,190 mi

Below or average mileage for this year

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

RegistrationYRW 788S
MakeTriumph
ModelStag
Year1978
ColourGreen
Fuel typePetrol
Engine2,997cc

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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

18 pass 1 fail
Pass 30 Apr 2026 62,151 miles
Pass 8 May 2025 58,562 miles

Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 23 May 2024 56,390 miles

Oil leaks.

Fail 23 May 2024 56,390 miles

Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i))

Oil leaks.

Pass 17 May 2023 55,039 miles
Pass 5 May 2022 52,132 miles
Pass 6 May 2021 49,976 miles
Pass 27 May 2020 49,112 miles
Pass 2 May 2019 47,412 miles
Pass 11 May 2018 45,746 miles
Pass 4 May 2017 42,307 miles
Pass 6 May 2016 40,626 miles
Pass 20 May 2015 38,783 miles
Pass 13 May 2014 36,290 miles
Pass 8 May 2013 34,660 miles
Pass 21 May 2012 33,259 miles
Pass 27 May 2011 31,766 miles
Pass 10 Jun 2010 30,411 miles
Pass 2 Jul 2009 28,865 miles

How Reliable is the Triumph Stag?

Based on 64,590 MOT tests across 6,070 vehicles.

77.5%
Pass Rate
417
Miles/Year
56
Year Lifespan
6,070
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 2,039
Parking brake: efficiency below requirements 1,744
Suspension component mounting prescribed area is excessively corroded 1,507
Stop lamp not working 1,283
brake binding 1,269
Full Triumph Stag reliability report

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YRW 788S is a 1978 Triumph Stag in Green with a 2,997cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 94.7%.

Across all 1978 Triumph Stag models, the average MOT pass rate is 75.5% with a typical mileage of 62,190 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Triumph Stag fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 2,039 recorded failures. If you're considering buying YRW 788S, it's worth having these areas checked by a mechanic before committing.

The Triumph Stag typically stays on UK roads for around 56 years. At 48 years old, this Triumph Stag is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of YRW 788S?

You can check the full history of YRW 788S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was YRW 788S registered?

YRW 788S is a 1978 Triumph Stag, first registered on 10 July 1978.

Is YRW 788S safe to buy?

The MOT history for YRW 788S shows 19 tests with a 94.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does YRW 788S 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 YRW 788S. 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.