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JKU 404P

1975 Triumph Stag

Yellow Petrol 2997cc
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MOT Status

Valid
Expires1 Sep 2026
Tests22 (15 pass, 7 fail)
Pass rate68.2%

Mileage

22,393 mi
Last recorded22,393 miles
Recorded on2 Sep 2025
Typical for 1975 Triumph Stag54,677 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

RegistrationJKU 404P
MakeTriumph
ModelStag
Year1975
ColourYellow
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

15 pass 7 fail
Pass 2 Sep 2025 22,393 miles

Parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. Off side park brake very slow to achieve a result. Approx' 49KG of force, as opposed to near side which is approx' 214KG (1.4.2 (a) (i))

Power steering pipe/hose has slight seepage Between lower union and steering rack (2.1.5 (a))

Steering rack has slight free play detected at steering wheel The wear is in the rack (2.3 (a) (i))

Pass 23 Apr 2019 99,308 miles

Nearside Front Inner Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

Offside Play in steering rack inner joint(s) ()

Oil leak, but not excessive gear box, engine, power steering (8.4.1 (a) (i))

Pass 1 May 2018 93,785 miles

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

Offside Rear Exhaust has a minor leak of exhaust gases (7.1.2)

Oil leak engine and gearbox ()

Play in steering rack inner joint(s) ()

Fail 26 Apr 2018 93,778 miles

Offside Rear Inner Tyre has ply or cords exposed (4.1.D.1b)

Offside Rear rear parking brake recording little or no effort (3.7.B.6a)

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

Offside Rear Exhaust has a minor leak of exhaust gases (7.1.2)

Oil leak engine and gearbox ()

Play in steering rack inner joint(s) ()

Pass 20 Apr 2017 87,704 miles

Offside Play in steering rack inner joint(s) ()

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Oil leak engine and gearbox ()

Fail 19 Apr 2017 87,695 miles

Headlamp switch faulty (1.7.1)

Power steering pipe(s) or hose(s) leaking from a joint pipes to rack (2.3.3b)

Offside Play in steering rack inner joint(s) ()

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Oil leak engine and gearbox ()

Pass 4 May 2016 83,193 miles

oil leaks on engine and gearbox

Exhaust has a minor leak of exhaust gases (7.1.2)

Offside Rear wheel bearing has slight play (2.6.2)

Slight play steering rack pinion

Pass 17 Apr 2015 75,973 miles

Nearside Front Steering rack gaiter deteriorated (2.2.D.2d)

Offside Rear wheel bearing has slight play (2.6.2)

Oil leak

gearbox oil leak

Fail 9 May 2014 71,982 miles

Front position lamp(s) incorrect colour (1.1.A.3e)

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

Pass 9 May 2014 71,982 miles

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

Pass 8 May 2013 65,715 miles
Fail 1 May 2013 65,528 miles

Offside rear parking brake recording little or no effort (3.7.B.6a)

Pass 2 May 2012 59,364 miles

Rear Exhaust has a minor leak of exhaust gases (7.1.2)

baffles loose in n/s silencer

Fail 2 May 2012 59,361 miles

Offside Front Track rod end ball joint has excessive play (2.2.B.1f)

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

Power steering pipe(s) or hose(s) leaking from a seal (2.3.3b)

Rear Exhaust has a minor leak of exhaust gases (7.1.2)

baffles loose in n/s silencer

Pass 6 May 2011 54,978 miles
Pass 7 May 2010 49,195 miles

Offside Rear Rear wheel bearing has slight play (2.6.2)

Pass 7 May 2009 43,923 miles
Fail 6 May 2009 43,923 miles

Nearside Steering rack gaiter split (2.2.D.2d)

Pass 12 May 2008 41,185 miles

Nearside Rear wheel bearing has slight play (2.6.2)

Fail 12 May 2008 41,185 miles

Front Windscreen wiper does not clear the windscreen effectively (8.2.2)

Nearside Rear wheel bearing has slight play (2.6.2)

Pass 11 May 2007 37,497 miles
Pass 13 May 2006 34,233 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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JKU 404P is a 1975 Triumph Stag in Yellow with a 2,997cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 68.2%.

Across all 1975 Triumph Stag models, the average MOT pass rate is 76.4% with a typical mileage of 54,677 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 Triumph Stag fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 2,039 recorded failures. If you're considering buying JKU 404P, 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 51 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 JKU 404P?

You can check the full history of JKU 404P by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was JKU 404P registered?

JKU 404P is a 1975 Triumph Stag, first registered on 1 August 1975.

Is JKU 404P safe to buy?

The MOT history for JKU 404P shows 22 tests with a 68.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does JKU 404P 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 JKU 404P. 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.