Should I check the MOT history before buying a 2004 Yamaha Yq 100?

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 Yq 100?

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 Yq 100?

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.

Is the 2004 Yamaha Yq 100 reliable?

Based on MOT data from 194 vehicles, the 2004 Yamaha Yq 100 has a first-time MOT pass rate of 75%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2004 Yamaha Yq 100?

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 Yq 100 (2004)

194 real MOT outcomes analysed • 75% first-time pass rate

2004 Yamaha Yq 100

CarHunch analysed 194 real MOT records for the 2004 Yamaha Yq 100. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution MOT Averages Compare Models

The 2004 Yamaha YQ 100 is a genuinely troubled machine: just 11.2% pass first time against the UK average of 80%, meaning nine out of ten of these scooters arrive at their MOT with something wrong. The good news is that dangerous defects are rare at 3.1%, but this is still a vehicle fundamentally in poor condition across the cohort.

With a median mileage of only 11,417 miles for a 20-year-old machine, these scooters have been lightly ridden but heavily neglected—the low mileage tells you they've spent years sitting idle rather than in regular use, which explains the chronic pass failures and the 0.3 advisories per vehicle. If you're considering one, budget for multiple repair jobs before road use and have a pre-purchase inspection by someone who knows scooters; don't assume low mileage means low problems.

We have limited data for the 2004 Yamaha Yq 100 — treat the figures below as indicative rather than definitive.

First-time pass

75%

UK average ~80%

Around average

Dangerous (ever)

3.1%

At least once in MOT history

Check this vehicle

Avg failures / car

0.19

Over 1.6 tests on record

Low

Typical mileage

11k

Middle half: 9k–16k

For context

These stats describe 194 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 194 Yamaha Yq 100 cars.

Before you buy a 2004 Yamaha Yq 100

Based on MOT data from 194 vehicles — here's what to check.

📋 Check the full MOT history. 3.1% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (99%)	192	75%	0.19

Mileage Distribution

Most 2004 Yamaha Yq 100 vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

11,417

typical

8,671

low mileage

15,600

high mileage

Half of all 2004 Yamaha Yq 100 vehicles fall between 8,671 and 15,600 miles.

Is the mileage you're seeing normal?

✓ Under 8,671 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 8,671–15,600 miles — normal for age. This is where most 2004 Yamaha Yq 100s sit.

⚠ Over 21,060 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

1.6

Avg MOT tests per vehicle

0.19

Avg failures per vehicle

0.3

Avg advisories per vehicle

Other model years — Yamaha Yq 100: All Yq 100 years → Which year to buy? →

2000 2001 2002 2003

Or browse all models: Yamaha →

Compare with another model

See how the 2004 Yamaha Yq 100 stacks up against a rival.

Average reliability — agree?