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S166 RLL

1998 Aprilia Unknown

Multi-colour Petrol 125cc
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MOT Status

Expired
Expires6 May 2026
Tests3 (2 pass, 1 fail)
Pass rate66.7%

Mileage

30,078 mi
Last recorded30,078 miles
Recorded on9 May 2026
Typical for 1998 Aprilia Unknown7,998 mi

Significantly above average — investigate

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

RegistrationS166 RLL
MakeAprilia
ModelUnknown
Year1998
ColourMulti-colour
Fuel typePetrol
Engine125cc

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

2 pass 1 fail
Fail 9 May 2026 30,078 miles

Front Steering linkage ball joint has excessive play (2.1.3 (b) (i))

Front Stop lamp not working (4.3.1 (a) (ii))

Rear Shock absorber has negligible damping effect (5.3.2 (b))

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

Pass 7 May 2025 28,985 miles

Front Steering linkage ball joint worn, but not excessively (2.1.3 (b) (i))

Front Wheel bearing has slight play (5.1.3 (a) (i))

Rear Shock absorber has a slightly worn bush (5.3.2 (c))

Pass 23 Jul 2018 21,593 miles

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

How Reliable is the Aprilia Unknown?

Based on 1,434 MOT tests across 552 vehicles.

79.1%
Pass Rate
475
Miles/Year
29
Year Lifespan
552
On UK Roads

Top MOT Failure Points

shock absorber seal failed and leaking oil 10
Full Aprilia Unknown reliability report

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S166 RLL is a 1998 Aprilia Unknown in Multi-colour with a 125cc petrol engine. This vehicle has been through 3 MOT tests with a personal pass rate of 66.7%.

Across all 1998 Aprilia Unknown models, the average MOT pass rate is 88.6% with a typical mileage of 7,998 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 Aprilia Unknown fails its MOT is shock absorber seal failed and leaking oil, accounting for 10 recorded failures. If you're considering buying S166 RLL, it's worth having these areas checked by a mechanic before committing.

The Aprilia Unknown typically stays on UK roads for around 29 years. At 28 years old, this Aprilia Unknown is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of S166 RLL?

You can check the full history of S166 RLL by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S166 RLL registered?

S166 RLL is a 1998 Aprilia Unknown, first registered on 30 November 1998.

Is S166 RLL safe to buy?

The MOT history for S166 RLL shows 3 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S166 RLL 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 S166 RLL. 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.