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S840 SLL

1998 Triumph Trident

Black Petrol 885cc
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MOT Status

Valid
Expires12 May 2027
Tests21 (18 pass, 3 fail)
Pass rate85.7%

Mileage

33,168 mi
Last recorded33,168 miles
Recorded on13 May 2026
Typical for 1998 Triumph Trident21,696 mi

Significantly above average — investigate

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

RegistrationS840 SLL
MakeTriumph
ModelTrident
Year1998
ColourBlack
Fuel typePetrol
Engine885cc

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 3 fail
Pass 13 May 2026 33,168 miles
Pass 30 Apr 2025 32,020 miles
Pass 30 Apr 2024 30,399 miles
Pass 18 Apr 2023 29,060 miles
Pass 25 Mar 2022 27,650 miles

Offside Front Brake pedal is short but brake can still be readily applied (1.1.2 (d))

Pass 2 Mar 2021 26,982 miles
Pass 27 Aug 2019 25,880 miles
Pass 12 Jul 2018 24,925 miles
Pass 12 Jun 2017 24,359 miles
Pass 14 May 2016 23,287 miles

rear brake dragging slightly

Fail 6 May 2016 23,287 miles

Stop lamp does not illuminate immediately a brake applies does not work (1.3.1a)

rear brake dragging slightly

Pass 13 May 2015 20,503 miles
Pass 15 May 2014 17,023 miles
Pass 4 May 2013 14,037 miles

Drive chain slightly loose (6.2.1d)

front brake binding slightly, recommend check

Pass 5 May 2012 13,660 miles

Drive chain slightly loose (6.2.1d)

Drive chain worn but not considered excessive (6.2.1e)

Rear Brake pad(s) close to minimum limit (3.2.A1f(i))

Rear Drive chain sprocket slightly worn (6.2.1e)

Wheel alignment slightly misaligned. (2.5.1)

front brake binding slightly, recommend check

Pass 30 Apr 2011 12,545 miles
Fail 1 May 2010 9,989 miles

Headlamp aim too high (1.6)

Pass 1 May 2010 9,989 miles
Pass 2 May 2009 7,072 miles

rear brake noisy in operation and rotation

Fail 2 May 2009 7,072 miles

Headlamp aim too high (1.6)

Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a)

rear brake noisy in operation and rotation

Pass 14 May 2008 4,957 miles

Rear Drive chain slightly loose (6.2.1d)

Rear Tyre worn close to the legal limit (4.1.3(ii))

How Reliable is the Triumph Trident?

Based on 29,119 MOT tests across 5,167 vehicles.

87.0%
Pass Rate
546
Miles/Year
54
Year Lifespan
5,167
On UK Roads

Top MOT Failure Points

shock absorber seal failed and leaking oil 320
Stop lamp does not illuminate immediately a brake applies 260
Roller brake test indicates a binding brake 254
Brake pad(s) less than 1.5 mm thick 254
Tyre tread depth is below minimum requirements of 1.0mm 251
Full Triumph Trident reliability report

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S840 SLL is a 1998 Triumph Trident in Black with a 885cc petrol engine. This vehicle has been through 21 MOT tests with a personal pass rate of 85.7%.

Across all 1998 Triumph Trident models, the average MOT pass rate is 85.1% with a typical mileage of 21,696 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Triumph Trident fails its MOT is shock absorber seal failed and leaking oil, accounting for 320 recorded failures. If you're considering buying S840 SLL, it's worth having these areas checked by a mechanic before committing.

The Triumph Trident typically stays on UK roads for around 54 years. At 28 years old, this Triumph Trident is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of S840 SLL?

You can check the full history of S840 SLL by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S840 SLL registered?

S840 SLL is a 1998 Triumph Trident, first registered on 4 September 1998.

Is S840 SLL safe to buy?

The MOT history for S840 SLL shows 21 tests with a 85.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S840 SLL 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 S840 SLL. 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.