Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2001 Ford Focus Diesel 1753cc has had 9 MOT tests on record, passing 5 and failing 4 (56% pass rate). It has 201,497 miles on the clock, averaging 18,169 miles per year, above the UK average of 7,400. The 1.8 TDdi engine is known for timing belt failure and thermostat housing (plastic flange).
MOT & Mileage History for YL51 BYS
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 201,497 miles |
| Reading date | |
| Miles last year | 21,121 |
| Average per year | 18,169 |
| Mileage consistency | Consistent |
Check YL51 BYS
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- Warranty work logged
Full MOT Test History 9 tests on record
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Reported issues for this Ford Focus
These are the most commonly reported problems on Ford Focus models (1998–2004), based on owner reports and workshop data across the UK.
Timing belt failure
Belt snaps, bending exhaust valves (interference engine design).
Thermostat housing (plastic flange)
Plastic deforms/cracks, causing coolant leaks at joint.
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | YL51 BYS |
| Make | Ford |
| Model | Focus |
| Colour | Silver |
| Fuel type | Diesel |
| Engine | 1753cc |
| Year | 2001 |
| First registered | |
| Area code | YL — Sheffield, Yorkshire |
| Age identifier | 51 — September 2001 to February 2002 |
More YL51 B plates
Browse all YL51 B registrations from Sheffield.
About YL51 BYS
What car is YL51 BYS?
YL51 BYS is a silver Ford Focus, diesel (1753cc). First registered in Sheffield in 2001.
What is the mileage of YL51 BYS?
The last recorded mileage for YL51 BYS was 201,497 miles, recorded on 18 Nov 2011 during its most recent MOT test.
Has YL51 BYS passed its MOT?
YL51 BYS has had 9 MOT tests with a 56% pass rate (5 passes, 4 failures). It last was tested on 18 Nov 2011.
Is YL51 BYS ULEZ compliant?
Based on its fuel type and registration year, YL51 BYS is likely not ULEZ compliant. As a diesel vehicle registered in 2001, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is YL51 BYS?
YL51 BYS is approximately 25 years old. Age identifier 51 means registered between 1 September 2001 and 28 February 2002.