Yamaha Xt 125 R (2008)

155 real MOT outcomes analysed • 44.5% first-time pass rate

2008 Yamaha Xt 125 R

CarHunch analysed 155 real MOT records for the 2008 Yamaha Xt 125 R. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

The 2008 Yamaha XT 125 R is a notably unreliable proposition, with a first-time MOT pass rate of just 44.5% against the UK average of 80%—meaning more than half fail their test. Nearly one in five of these bikes have experienced a dangerous defect during their MOT history, which is a material safety concern for potential buyers.

These machines have covered modest mileage for their age (median 5,712 miles), yet still average 1.47 failures and 4.5 advisories per test, suggesting underlying build quality or maintenance issues rather than simple wear. Before committing to one, have a trusted mechanic inspect the electrical system, fuel delivery, and brake condition—the advisory count hints at persistent gremlins that don't get properly resolved between tests.

Below average reliability 35.5% below UK average
44.5%
pass MOT first time
UK average: ~80%
5,712
typical mileage
2,795–9,419 middle half
21.9%
ever had a dangerous defect
recorded at any MOT
1.47
avg MOT failures per car
over 5.2 tests on record

What to check before buying a 2008 Yamaha Xt 125 R

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.
  • ⚠️ 21.9% of these vehicles have had a dangerous defect recorded. Enter the reg below — the full MOT history will show exactly what was flagged and whether it was resolved.
  • 📄 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 Xt 125 R

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

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

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Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Petrol (99%) 153 44.1% 1.48
Other (1%) 2 75% 0.5

Mileage Distribution

Most 2008 Yamaha Xt 125 R 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.

2,795
low mileage
5,712
typical
9,419
high mileage

Half of all 2008 Yamaha Xt 125 R vehicles fall between 2,795 and 9,419 miles.

2008 Yamaha Xt 125 R — Still on the Road

Numbers are declining — 17 vehicles still getting MOTs in 2025 (33% of peak).

50 17 2014 2025

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

5.2
Avg MOT tests per vehicle
1.47
Avg failures per vehicle
4.5
Avg advisories per vehicle

Found a specific Yamaha Xt 125 R?

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

UK

Other model years — Yamaha Xt 125 R:

2005 2006 2007 2009