Yamaha Rd125 (1985)
1985 Yamaha Rd125
CarHunch analysed 169 real MOT records for the 1985 Yamaha Rd125. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 1985 Yamaha RD125 passes its MOT at 82%, slightly above the UK average of 80%, suggesting reasonable baseline reliability for a nearly 40-year-old bike. However, one in ten of these machines have recorded a dangerous defect at some point, which is a material concern for a buyer—you'll want a thorough pre-purchase inspection.
These bikes are showing around 21,000 miles on the clock, which is modest for their age and suggests they've been relatively well looked after. The typical owner faces just under one failure per test and around two advisories, pointing to minor wear items rather than structural problems—focus your inspection on brake condition, tyres, and chain wear before committing to buy.
What to check before buying a 1985 Yamaha Rd125
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 Rd125
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 (99%) | 167 | 82.2% | 0.97 |
| Other (1%) | 1 | 50% | 2 |
| Diesel (1%) | 1 | 75% | 1 |
Mileage Distribution
Most 1985 Yamaha Rd125 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 1985 Yamaha Rd125 vehicles fall between 14,575 and 28,775 miles.
1985 Yamaha Rd125 — Still on the Road
26 vehicles still getting MOTs in 2025 — 59% of the peak remain.
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
Most Common MOT Issues — 1985 Yamaha Rd125
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
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17.4%
Rear wheel bearings have slight free play
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12.8%
Headlamp aim too high
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11.3%
Rear reflector on motorcycle missing
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9.9%
Exhaust noisy
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9.2%
Drive chain slightly loose
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8.5%
Chain guard missing
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8.2%
Rear Roller brake test indicates slight fluctuation of brake effort
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7.8%
Nearside Front shock absorber has light misting of stanchion
Data covers a 3-year window centred on 1985. Counts include advisories and failures.
Found a specific Yamaha Rd125?
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