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JMX 4K

1971 Triumph Stag

Blue Petrol 2997cc
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MOT Status

Valid
Expires28 Jul 2027
Tests22 (18 pass, 4 fail)
Pass rate81.8%

Mileage

94,246 mi
Last recorded94,246 miles
Recorded on22 Jul 2026
Typical for 1971 Triumph Stag56,944 mi

Significantly above average — investigate

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

RegistrationJMX 4K
MakeTriumph
ModelStag
Year1971
ColourBlue
Fuel typePetrol
Engine2,997cc

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

18 pass 4 fail
Pass 22 Jul 2026 94,246 miles

Coolant leak

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

Parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. 16% (1.4.2 (a) (i))

Steering column top bearing slightly worn bush/bearing (2.2.2 (b))

headlamp switch worn but operational

Pass 8 Jul 2025 93,744 miles

Steering column top bearing slightly worn (2.2.2 (b))

Pass 29 Jul 2024 92,482 miles

Nearside Rear Rear n/side seat belt slow to recoil.

Slight play in steering column

Fail 29 Jul 2024 92,482 miles

Nearside Front Position lamp not working (4.2.1 (a) (ii))

Nearside Rear Rear n/side seat belt slow to recoil.

Offside Rear Position lamp not working (4.2.1 (a) (ii))

Slight play in steering column

Pass 21 Jul 2023 92,006 miles

Nearside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Pass 25 Jul 2022 91,578 miles
Pass 28 May 2021 91,344 miles

Front offside seat back trim insecure

Nearside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Fail 28 May 2021 91,344 miles

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

Front offside seat back trim insecure

Nearside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Pass 8 Jul 2020 91,045 miles

Nearside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

Pass 30 May 2019 90,547 miles
Pass 5 Jun 2018 90,416 miles

Nearside Front Wheel bearing slightly noisy (5.1.3 (b) (i))

Offside Front Wheel bearing slightly noisy (5.1.3 (b) (i))

Pass 23 May 2017 89,593 miles

Front wheel bearing has slight play & slight noise/roughness. (2.5.A.3c)

Pass 24 May 2016 88,652 miles

Nearside Rear seat belt not returning fully

power steering fluid on pipe on rack (Leak?)

steering lock not working

Fail 24 May 2016 88,652 miles

Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Offside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Parking brake: efficiency below requirements (3.7.B.7)

Nearside Rear seat belt not returning fully

power steering fluid on pipe on rack (Leak?)

steering lock not working

Pass 31 Aug 2012 88,403 miles

Nearside Headlamp deteriorated but light output not reduced (1.7.5a)

Offside Headlamp deteriorated but light output not reduced (1.7.5a)

Steering column top bearing slightly worn (2.1.2c)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

brake pedal rubber worn

nearside front hose slight twist

Pass 19 Aug 2011 85,088 miles

Nearside Front Steering system has slight free play detected at steering wheel (2.2.A.1b)

Nearside Front coil spring corroded (2.4.C.1b)

Nearside Rear coil spring corroded (2.4.C.1b)

Offside Front Steering system has slight free play detected at steering wheel (2.2.A.1b)

Offside Front coil spring corroded (2.4.C.1b)

Offside Rear coil spring corroded (2.4.C.1b)

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Pass 13 Aug 2010 84,917 miles

lower steering column bush has play

nsr brake has slight bind

nsr front subframe mount perished

Pass 14 Aug 2009 83,490 miles

Nearside Front wheel bearing has slight play (2.5.A.3c)

Nearside Rear Brake hose slightly deteriorated (3.6.B.4d)

Nearside Rear Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Offside Front Seat belt flexible stalk deteriorated but not likely to lead to failure under load (5.2.4a)

Offside Front wheel bearing has slight play (2.5.A.3c)

Offside Rear Brake hose slightly deteriorated (3.6.B.4d)

Offside Steering rack gaiter deteriorated (2.2.D.2d)

Suspension joint nearside lower dust cover split/missing

Suspension joint offside lower dust cover split/missing

Upper Steering column universal joint is slightly deteriorated (2.1.5)

Propshaft component defective

Fail 23 Aug 2008 81,325 miles

Nearside Headlamp aim too high (1.8)

Offside Headlamp aim too low (1.8)

Pass 23 Aug 2008 81,325 miles
Pass 27 Dec 2006 80,927 miles
Pass 28 Dec 2005 80,548 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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Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

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JMX 4K is a 1971 Triumph Stag in Blue with a 2,997cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 81.8%.

Across all 1971 Triumph Stag models, the average MOT pass rate is 77.2% with a typical mileage of 56,944 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 JMX 4K, 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 55 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 JMX 4K?

You can check the full history of JMX 4K by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was JMX 4K registered?

JMX 4K is a 1971 Triumph Stag, first registered on 3 December 1971.

Is JMX 4K safe to buy?

The MOT history for JMX 4K shows 22 tests with a 81.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does JMX 4K 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 JMX 4K. 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.