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R121 KSX

1998 Yamaha YZF600

Red Petrol 599cc
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MOT Status

Valid
Expires28 Apr 2027
Tests18 (16 pass, 2 fail)
Pass rate88.9%

Mileage

38,627 mi
Last recorded38,627 miles
Recorded on29 Apr 2026
Typical for 1998 Yamaha YZF60025,938 mi

Significantly above average — investigate

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

RegistrationR121 KSX
MakeYamaha
ModelYZF600
Year1998
ColourRed
Fuel typePetrol
Engine599cc

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

16 pass 2 fail
Pass 29 Apr 2026 38,627 miles
Pass 3 Jun 2024 38,557 miles
Pass 13 Jul 2023 38,372 miles
Pass 30 May 2022 36,173 miles
Pass 18 Jun 2021 32,886 miles
Pass 19 Jun 2020 29,879 miles

Nearside Front Shock absorber has a light misting of oil (5.3.2 (b))

Offside Front Shock absorber has a light misting of oil (5.3.2 (b))

Pass 22 Jun 2019 29,771 miles

Offside Front Shock absorber has a light misting of oil (5.3.2 (b))

Pass 4 Jun 2018 29,764 miles
Fail 4 Jun 2018 29,764 miles

Central Rear Stop lamp not working (4.3.1 (a) (ii))

Pass 25 Jun 2017 29,552 miles

Nearside Front Front shock absorber has light misting of stanchion (2.3.3)

Offside Front Front shock absorber has light misting of stanchion (2.3.3)

Pass 2 Jul 2016 29,523 miles
Fail 2 Jul 2016 29,523 miles

Nearside Front Handlebar mounting clamp bolt missing (2.1.1a)

Pass 12 Jun 2015 28,922 miles

Nearside Front Front shock absorber has light misting of stanchion (2.3.3)

Offside Front Front shock absorber has light misting of stanchion (2.3.3)

Pass 5 Jul 2014 27,571 miles

Nearside Front Front shock absorber has light misting of stanchion (2.3.3)

Offside Front Front shock absorber has light misting of stanchion (2.3.3)

Pass 22 Aug 2012 23,768 miles
Pass 27 Jul 2011 23,254 miles

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

Front shock absorber has light misting of stanchion (2.3.3)

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

Rear shock absorber has a light misting (2.4.A.1c)

Pass 17 Aug 2010 22,891 miles
Pass 13 Mar 2006 22,290 miles

How Reliable is the Yamaha YZF600?

Based on 66,153 MOT tests across 5,775 vehicles.

81.3%
Pass Rate
862
Miles/Year
30
Year Lifespan
5,775
On UK Roads

Top MOT Failure Points

Tyre tread depth is below minimum requirements of 1.0mm 1,428
shock absorber seal failed and leaking oil 1,223
reflector on motorcycle missing 840
Brake pad(s) less than 1.5 mm thick 806
Roller brake test indicates a binding brake 765
Full Yamaha YZF600 reliability report

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R121 KSX is a 1998 Yamaha YZF600 in Red with a 599cc petrol engine. This vehicle has been through 18 MOT tests with a personal pass rate of 88.9%.

Across all 1998 Yamaha YZF600 models, the average MOT pass rate is 80.6% with a typical mileage of 25,938 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Yamaha YZF600 fails its MOT is tyre tread depth is below minimum requirements of 1.0mm, accounting for 1,428 recorded failures. If you're considering buying R121 KSX, it's worth having these areas checked by a mechanic before committing.

The Yamaha YZF600 typically stays on UK roads for around 30 years. At 28 years old, this Yamaha YZF600 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of R121 KSX?

You can check the full history of R121 KSX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R121 KSX registered?

R121 KSX is a 1998 Yamaha YZF600, first registered on 7 May 1998.

Is R121 KSX safe to buy?

The MOT history for R121 KSX shows 18 tests with a 88.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R121 KSX 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 R121 KSX. 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.