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Yamaha Dt125 (1985)

104 real MOT outcomes analysed • 78.1% first-time pass rate

1985 Yamaha Dt125

CarHunch analysed 104 real MOT records for the 1985 Yamaha Dt125. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

Average reliability In line with UK average
78.1%
pass MOT first time
UK average: ~80%
18,624
typical mileage
11,458–24,967 middle half
12.5%
ever had a dangerous defect
recorded at any MOT
1.06
avg MOT failures per car
over 4.3 tests on record

What to check before buying a 1985 Yamaha Dt125

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 Dt125

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

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Mileage Distribution

Most 1985 Yamaha Dt125 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.

11,458
low mileage
18,624
typical
24,967
high mileage

Half of all 1985 Yamaha Dt125 vehicles fall between 11,458 and 24,967 miles.

1985 Yamaha Dt125 — Still on the Road

13 vehicles still getting MOTs in 2025 — 65% of the peak remain.

15 13 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

4.3
Avg MOT tests per vehicle
1.06
Avg failures per vehicle
2.6
Avg advisories per vehicle

Most Common MOT Issues — 1985 Yamaha Dt125

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

  • 19.7%
    Rear reflector on motorcycle missing
  • 12.8%
    Horn not working
  • 12.8%
    Rear shock absorber has a slightly reduced damping effect
  • 10.7%
    Drive chain worn but not considered excessive
  • 9.4%
    Front Wheel has a slightly distorted bead rim.
  • 9.4%
    Stop lamp does not illuminate immediately a brake applies
  • 7.7%
    Rear wheel spindle securing nut locking device missing
  • 7.7%
    Exhaust noisy

Data covers a 3-year window centred on 1985. Counts include advisories and failures.

Found a specific Yamaha Dt125?

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

UK

Other model years — Yamaha Dt125:

1982 1983 1987 1988 1989 1990 1991 1992 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007