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CPU 434T

1978 Triumph Bonneville

Brown Petrol 744cc
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MOT Status

Valid
Expires26 Mar 2027
Tests17 (17 pass, 0 fail)
Pass rate100%

Mileage

21,880 mi
Last recorded21,880 miles
Recorded on19 Mar 2026
Typical for 1978 Triumph Bonneville17,152 mi

Above average mileage for this year

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

RegistrationCPU 434T
MakeTriumph
ModelBonneville
Year1978
ColourBrown
Fuel typePetrol
Engine744cc

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

17 pass
Pass 19 Mar 2026 21,880 miles
Pass 25 Mar 2025 21,095 miles
Pass 19 Mar 2024 20,070 miles
Pass 27 Mar 2023 18,697 miles
Pass 8 Sep 2020 18,416 miles
Pass 19 Sep 2018 17,619 miles
Pass 7 Sep 2017 17,221 miles
Pass 26 Sep 2016 16,897 miles
Pass 25 Jun 2015 16,496 miles
Pass 19 Jun 2014 16,234 miles
Pass 3 Jun 2013 15,849 miles
Pass 12 Jun 2012 15,347 miles
Pass 24 May 2010 15,018 miles
Pass 16 Jun 2008 14,888 miles

Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)

Pass 4 Jun 2007 14,821 miles

Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)

Pass 1 Jun 2006 14,736 miles
Pass 27 May 2005 14,677 miles

How Reliable is the Triumph Bonneville?

Based on 235,206 MOT tests across 29,562 vehicles.

90.1%
Pass Rate
520
Miles/Year
53
Year Lifespan
29,562
On UK Roads

Top MOT Failure Points

Tyre tread depth is below minimum requirements of 1.0mm 907
Brake pad(s) less than 1.5 mm thick 730
Roller brake test indicates a binding brake 580
Stop lamp does not illuminate immediately a brake applies 393
Exhaust markings indicating not for road use or similar wording 388
Full Triumph Bonneville reliability report

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CPU 434T is a 1978 Triumph Bonneville in Brown with a 744cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 100%.

Across all 1978 Triumph Bonneville models, the average MOT pass rate is 87.2% with a typical mileage of 17,152 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Triumph Bonneville fails its MOT is tyre tread depth is below minimum requirements of 1.0mm, accounting for 907 recorded failures. If you're considering buying CPU 434T, it's worth having these areas checked by a mechanic before committing.

The Triumph Bonneville typically stays on UK roads for around 53 years. At 48 years old, this Triumph Bonneville is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of CPU 434T?

You can check the full history of CPU 434T by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was CPU 434T registered?

CPU 434T is a 1978 Triumph Bonneville, first registered on 24 October 1978.

Is CPU 434T safe to buy?

The MOT history for CPU 434T shows 17 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 CPU 434T 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 CPU 434T. 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.