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J404 LKJ

1991 Yamaha Unknown

Blue Petrol 599cc
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MOT Status

Valid
Expires16 Apr 2027
Tests4 (3 pass, 1 fail)
Pass rate75%

Mileage

9,889 mi
Last recorded9,889 miles
Recorded on17 Apr 2026
Typical for 1991 Yamaha Unknown18,577 mi

Below or average mileage for this year

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

RegistrationJ404 LKJ
MakeYamaha
ModelUnknown
Year1991
ColourBlue
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

3 pass 1 fail
Pass 17 Apr 2026 9,889 miles

Headlamp lens slightly defective (4.1.1 (b) (i))

Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Pass 12 Aug 2024 9,775 miles
Pass 17 Jun 2023 9,540 miles
Fail 9 Jun 2023 9,534 miles

Front Brake lever has insufficient reserve travel (1.1.2 (a))

Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) DANGEROUS

Front Valve stem slightly damaged perished (5.2.3 (j))

Horn control insecure (7.7 (b))

Nearside Front clutch lever assembly loose

Nearside footrest fouling on swingarm

Rear exhaust fouling rear brake bracket

How Reliable is the Yamaha Unknown?

Based on 20,218 MOT tests across 8,531 vehicles.

86.8%
Pass Rate
257
Miles/Year
52
Year Lifespan
8,531
On UK Roads
Full Yamaha Unknown reliability report

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J404 LKJ is a 1991 Yamaha Unknown in Blue with a 599cc petrol engine. This vehicle has been through 4 MOT tests with a personal pass rate of 75%.

Across all 1991 Yamaha Unknown models, the average MOT pass rate is 81.9% with a typical mileage of 18,577 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The Yamaha Unknown typically stays on UK roads for around 52 years. At 35 years old, this Yamaha Unknown is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of J404 LKJ?

You can check the full history of J404 LKJ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was J404 LKJ registered?

J404 LKJ is a 1991 Yamaha Unknown, first registered on 6 August 1991.

Is J404 LKJ safe to buy?

The MOT history for J404 LKJ shows 4 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does J404 LKJ 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 J404 LKJ. 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.