Yamaha Yfm 660 (2005)
2005 Yamaha Yfm 660
CarHunch analysed 249 real MOT records for the 2005 Yamaha Yfm 660. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 2005 Yamaha YFM 660 is a significantly weaker performer than the UK average, with a 59.9% first-time pass rate sitting well below the 80% national benchmark—meaning nearly 4 in 10 fail their MOT. The 13.7% dangerous defect rate is a notable concern and higher than you'd typically see, suggesting potential safety issues that need careful attention before purchase.
These quads are averaging 3,020 miles despite their age, which isn't unusually high for a machine of this type, but the 0.86 failures and 2.9 advisories per vehicle indicate persistent mechanical wear. If you're considering one, budget for repairs and have any prospective purchase inspected by someone who knows these machines well, particularly around the areas flagged as dangerous defects.
What to check before buying a 2005 Yamaha Yfm 660
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 Yfm 660
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (100%) | 248 | 59.7% | 0.87 |
| Other (0%) | 1 | 100% | 0 |
Mileage Distribution
Most 2005 Yamaha Yfm 660 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.
Half of all 2005 Yamaha Yfm 660 vehicles fall between 94 and 4,153 miles.
2005 Yamaha Yfm 660 — Still on the Road
Numbers are declining — 27 vehicles still getting MOTs in 2025 (36% of peak).
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
MOT History Averages
Found a specific Yamaha Yfm 660?
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