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OAL 729W

1981 Triumph Bonneville L

Black Petrol 744cc
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MOT Status

Valid
Expires16 Nov 2026
Tests14 (13 pass, 1 fail)
Pass rate92.9%

Mileage

38,134 mi
Last recorded38,134 miles
Recorded on17 Nov 2025
Typical for 1981 Triumph Bonneville L17,000 mi

Significantly above average — investigate

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

RegistrationOAL 729W
MakeTriumph
ModelBonneville L
Year1981
ColourBlack
Fuel typePetrol
Engine744cc
View full Triumph Bonneville L reliability data

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MOT History

13 pass 1 fail
Pass 17 Nov 2025 38,134 miles
Pass 8 Jul 2021 38,060 miles
Pass 10 Jul 2020 36,959 miles
Pass 6 Apr 2019 35,901 miles
Fail 6 Apr 2019 35,901 miles

Stop lamp remains on when the brakes are released (4.3.2 (a) (iii))

Pass 14 Apr 2018 34,952 miles
Pass 15 Mar 2017 33,648 miles
Pass 22 Mar 2016 22,527 miles
Pass 5 Jan 2015 31,586 miles
Pass 8 Jul 2013 30,865 miles
Pass 4 Jul 2012 29,783 miles
Pass 9 Jul 2011 28,546 miles
Pass 17 Apr 2010 27,047 miles
Pass 7 Apr 2008 26,923 miles

Front wheel bearings are slightly rough (2.3.5b)

How Reliable is the Triumph Bonneville L?

Based on 1,175 MOT tests across 169 vehicles.

89.3%
Pass Rate
274
Miles/Year
49
Year Lifespan
169
On UK Roads

Top MOT Failure Points

Roller brake test The less effective brake control does not achieve an efficiency of 25%. 8
Direction indicator not working 6
Direction indicator flashing less than 60 times a minute 4
Roller brake test indicates a binding brake 4
Wheel alignment incorrect which adversely affects the handling 3
Full Triumph Bonneville L reliability report

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OAL 729W is a 1981 Triumph Bonneville L in Black with a 744cc petrol engine. This vehicle has been through 14 MOT tests with a personal pass rate of 92.9%.

Across all 1981 Triumph Bonneville L models, the average MOT pass rate is 90.1% with a typical mileage of 17,000 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Triumph Bonneville L fails its MOT is roller brake test the less effective brake control does not achieve an efficiency of 25%., accounting for 8 recorded failures. If you're considering buying OAL 729W, it's worth having these areas checked by a mechanic before committing.

The Triumph Bonneville L typically stays on UK roads for around 49 years. At 45 years old, this Triumph Bonneville L is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of OAL 729W?

You can check the full history of OAL 729W by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was OAL 729W registered?

OAL 729W is a 1981 Triumph Bonneville L, first registered on 24 March 1981.

Is OAL 729W safe to buy?

The MOT history for OAL 729W shows 14 tests with a 92.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does OAL 729W 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 OAL 729W. 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.