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Tec 125 Gy (2005)

111 real MOT outcomes analysed • 22% first-time pass rate

2005 Tec 125 Gy

CarHunch analysed 111 real MOT records for the 2005 Tec 125 Gy. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

The 2005 TEC 125 GY is a serious reliability concern, with only 22% passing their MOT first time against the UK average of 80%—that's a stark three-to-one disadvantage. Dangerous defects have affected 8.1% of examples, which is manageable, but the median CarHunch score of 45 reflects a fundamentally problematic cohort.

These bikes are extremely lightly used, averaging just 4,209 miles despite being nearly two decades old, yet still fail MOTs at an alarming rate—this points to age-related decay and storage issues rather than abuse. The 0.33 failures and 0.8 advisories per vehicle suggest chronic minor problems that compound, so any purchase needs a thorough pre-MOT inspection and realistic budget for remedial work before it's roadworthy again.

Below average reliability 58% below UK average
22%
pass MOT first time
UK average: ~80%
3,721
typical mileage
2,306–5,457 middle half
8.1%
ever had a dangerous defect
recorded at any MOT
0.33
avg MOT failures per car
over 1.7 tests on record

What to check before buying a 2005 Tec 125 Gy

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 Tec 125 Gy

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

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Mileage Distribution

Most 2005 Tec 125 Gy 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.

2,306
low mileage
3,721
typical
5,457
high mileage

Half of all 2005 Tec 125 Gy vehicles fall between 2,306 and 5,457 miles.

MOT History Averages

1.7
Avg MOT tests per vehicle
0.33
Avg failures per vehicle
0.8
Avg advisories per vehicle

Found a specific Tec 125 Gy?

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

UK