Should I check the MOT history before buying a 1998 Yamaha Dt125?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 1998 Yamaha Dt125?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 1998 Yamaha Dt125?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

How many 1998 Yamaha Dt125 vehicles have had dangerous defects recorded?

21% of these vehicles have had a dangerous defect recorded. Search the registration on CarHunch — the full MOT history will show exactly what was flagged and whether it was resolved.

Is the 1998 Yamaha Dt125 reliable?

Based on MOT data from 192 vehicles, the 1998 Yamaha Dt125 has a first-time MOT pass rate of 78.3%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 1998 Yamaha Dt125?

The most frequently recorded MOT issues on the 1998 Yamaha Dt125 are: Drive chain worn but not considered excessive (30% of vehicles), Rear Tyre worn close to the legal limit (29.4% of vehicles), Drive chain slightly loose (24.3% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 1998 Yamaha Dt125?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Yamaha Dt125 (1998)

192 real MOT outcomes analysed • 78.3% first-time pass rate

1998 Yamaha Dt125

CarHunch analysed 192 real MOT records for the 1998 Yamaha Dt125. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Mileage Distribution Still on the Road MOT Averages Compare Models

The 1998 Yamaha DT125 falls just shy of the UK average with a 78.3% first-time pass rate, and a concerning 21.3% of vehicles have recorded dangerous defects—a red flag for buyers considering one of these nearly 30-year-old machines. These are genuinely aged bikes, with a median mileage of just 16,366 showing most survivors are either cherished classics or rarely used, yet even so they're accumulating 1.87 failures per MOT on average.

The 5.5 advisories per vehicle reveal these machines demand persistent attention to stay roadworthy, and at a median CarHunch score of 55, this isn't a bike you'd buy expecting trouble-free ownership. If you're seriously interested in a DT125, budget for regular maintenance and have any candidate inspected by a motorcycle specialist before committing—age and that dangerous defect rate mean due diligence here pays real dividends.

We have limited data for the 1998 Yamaha Dt125 — treat the figures below as indicative rather than definitive.

⚠️ Over 1 in 5 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

78.3%

UK average ~80%

Around average

Dangerous (ever)

21.4%

At least once in MOT history

Check this vehicle

Avg failures / car

1.87

Over 7.3 tests on record

High

Typical mileage

16k

Middle half: 11k–22k

For context

These stats describe 192 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

What tends to go wrong

Across 192 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Other issues 30%

Drive chain worn but not considered excessive · Chain guard missing · Drive chain excessively loose

Tyre wear 29.4%

Rear Tyre worn close to the legal limit · Front Tyre worn close to the legal limit

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Lighting 24.3%

Drive chain slightly loose · Rear reflector on motorcycle missing · Headlamp aim too high · …

Usually cheap to fix. Worth confirming all lights work before collecting.

Brake wear 20%

Rear Brake disc(s) slightly worn · Front Brake disc(s) slightly worn

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Suspension & steering 18.7%

Rear suspension bush has slight free play · Steering headbearing has slight free play

Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Data covers a 3-year window centred on 1998.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 192 Yamaha Dt125 cars.

Before you buy a 1998 Yamaha Dt125

Based on MOT data from 192 vehicles — here's what to check.

📋 Check the full MOT history. 21.4% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Mileage Distribution

Most 1998 Yamaha Dt125 vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

16,366

typical

11,452

low mileage

22,301

high mileage

Half of all 1998 Yamaha Dt125 vehicles fall between 11,452 and 22,301 miles.

Is the mileage you're seeing normal?

✓ Under 11,452 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 11,452–22,301 miles — normal for age. This is where most 1998 Yamaha Dt125s sit.

⚠ Over 30,106 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

1998 Yamaha Dt125 — Still on the Road

Numbers are thinning — 65% of 1998 Yamaha Dt125s are still active.

35 vehicles still getting MOTs in 2025 — 65% 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.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

7.3

Avg MOT tests per vehicle

1.87

Avg failures per vehicle

5.5

Avg advisories per vehicle

Other model years — Yamaha Dt125: All Dt125 years → Which year to buy? →

1982 1983 1985 1987 1988 1989 1990 1991 1992 1997 1999 2000 2001 2002 2003 2004 2005 2006 2007

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Compare with another model

See how the 1998 Yamaha Dt125 stacks up against a rival.

Average reliability — agree?