Should I check the MOT history before buying a 2004 Yamaha Yn50?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2004 Yamaha Yn50?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2004 Yamaha Yn50?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Do I need an HPI check when buying a 2004 Yamaha Yn50?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Yamaha Yn50 (2004)

298 real MOT outcomes analysed • 76.8% first-time pass rate

2004 Yamaha Yn50

CarHunch analysed 298 real MOT records for the 2004 Yamaha Yn50. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

Average reliability 3.2% below UK average

76.8%

pass MOT first time

UK average: ~80%

6,142

typical mileage

3,523–8,713 middle half

18.1%

ever had a dangerous defect

recorded at any MOT

1.81

avg MOT failures per car

over 7 tests on record

What to check before buying a 2004 Yamaha Yn50

Practical pre-purchase checks for this age and model.

📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a Yamaha Yn50

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

Inspection

Have a qualified mechanic check this car before you commit to buying →

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Mileage Distribution

Most 2004 Yamaha Yn50 vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

3,523

low mileage

6,142

typical

8,713

high mileage

Half of all 2004 Yamaha Yn50 vehicles fall between 3,523 and 8,713 miles.

2004 Yamaha Yn50 — Still on the Road

Numbers are declining — 11 vehicles still getting MOTs in 2024 (12% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2024.

MOT History Averages

Avg MOT tests per vehicle

1.81

Avg failures per vehicle

3.9

Avg advisories per vehicle

Most Common MOT Issues — 2004 Yamaha Yn50

Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.

34.1%

Front Brake pad(s) less than 1.5 mm thick
27.2%

Front Brake pad(s) close to minimum limit
22.9%

Rear Tyre worn close to the legal limit
21.8%

Rear Tyre worn close to the legal limit
20.5%

Front Tyre valve stem slightly damaged
20%

Rear Tyre valve stem slightly damaged
13.4%

Exhaust slightly deteriorated
12.8%

Front Brake disc(s) slightly worn

Data covers a 3-year window centred on 2004. Counts include advisories and failures.

Found a specific Yamaha Yn50?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

Other model years — Yamaha Yn50:

1998 1999 2000 2001 2002 2003 2005 2006