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S171 YNP

1998 Yamaha TDM850

Black Petrol 849cc
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MOT Status

Valid
Expires6 Jul 2027
Tests13 (11 pass, 2 fail)
Pass rate84.6%

Mileage

22,044 mi
Last recorded22,044 miles
Recorded on7 Jul 2026
Typical for 1998 Yamaha TDM85027,149 mi

Below or average mileage for this year

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

RegistrationS171 YNP
MakeYamaha
ModelTDM850
Year1998
ColourBlack
Fuel typePetrol
Engine849cc

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

11 pass 2 fail
Pass 7 Jul 2026 22,044 miles

Exhaust noisy (8.1.1 (a))

Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

Rear Wheel bearing has slight play sprocket carrier (5.1.3 (a) (i))

Pass 15 May 2025 21,981 miles

Exhaust noisy (8.1.1 (a))

Nearside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

Pass 18 May 2024 21,859 miles

Exhaust noisy (8.1.1 (a))

Pass 16 Jun 2023 21,430 miles

Exhaust noisy (8.1.1 (a))

Pass 14 Jul 2022 21,223 miles

Exhaust noisy (8.1.1 (a))

Front Brake indicates slight fluctuation of brake effort (1.2.1 (e))

Nearside Rear Direction indicator insecure (4.4.1 (c) (i))

Rear Brake pad(s) close to minimum limit (1.1.13 (a))

Pass 29 Jul 2021 20,809 miles

Exhaust noisy (8.1.1 (a))

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Rear Tyre worn close to the legal limit (5.2.3 (e))

Pass 22 May 2018 20,027 miles
Fail 22 May 2018 20,027 miles

Nearside Front Direction indicator not working (4.4.1 (a) (ii))

Pass 26 May 2017 18,515 miles
Pass 26 May 2016 17,198 miles
Fail 20 May 2016 17,198 miles

Direction indicator incorrect colour (1.5.1b)

Fairings so located that it is likely to impede the steering (2.1.2e)

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

Headlamp aim too high (1.6)

Headlamp dipped beam affected by the operation of another lamp (1.2.2c)

Offside Front shock absorber seal failed and leaking oil (2.3.3)

Pass 28 May 2015 16,650 miles
Pass 31 Aug 2012 16,378 miles

How Reliable is the Yamaha TDM850?

Based on 22,526 MOT tests across 2,062 vehicles.

85.0%
Pass Rate
884
Miles/Year
35
Year Lifespan
2,062
On UK Roads

Top MOT Failure Points

Tyre tread depth is below minimum requirements of 1.0mm 286
shock absorber seal failed and leaking oil 239
Stop lamp does not illuminate immediately a brake applies 192
Brake pad(s) less than 1.5 mm thick 172
Roller brake test indicates a binding brake 135
Full Yamaha TDM850 reliability report

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S171 YNP is a 1998 Yamaha TDM850 in Black with a 849cc petrol engine. This vehicle has been through 13 MOT tests with a personal pass rate of 84.6%.

Across all 1998 Yamaha TDM850 models, the average MOT pass rate is 85.1% with a typical mileage of 27,149 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 Yamaha TDM850 fails its MOT is tyre tread depth is below minimum requirements of 1.0mm, accounting for 286 recorded failures. If you're considering buying S171 YNP, it's worth having these areas checked by a mechanic before committing.

The Yamaha TDM850 typically stays on UK roads for around 35 years. At 28 years old, this Yamaha TDM850 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of S171 YNP?

You can check the full history of S171 YNP by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S171 YNP registered?

S171 YNP is a 1998 Yamaha TDM850, first registered on 6 November 1998.

Is S171 YNP safe to buy?

The MOT history for S171 YNP shows 13 tests with a 84.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S171 YNP 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 S171 YNP. 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.