Yamaha Tdm850 (1999)

292 real MOT outcomes analysed • 87.3% first-time pass rate

1999 Yamaha Tdm850

CarHunch analysed 292 real MOT records for the 1999 Yamaha Tdm850. 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 Colour Breakdown Compare Models

The 1999 Yamaha TDM850 passes its MOT first time at 87.3%, which is comfortably above the UK average of 80%, suggesting these machines are generally well-maintained and reliable. A dangerous defect rate of 14.7% is moderate and not a major concern, though it's worth having a pre-purchase inspection focus on brake and suspension systems.

At nearly 27,000 miles on average, these bikes have covered reasonable distances for their age, and the 1.67 failures per vehicle indicates most issues are minor and fixable. The high advisory count of 6.9 per bike points to the wear you'd expect from a 25-year-old motorcycle—check lighting, cables, and exhaust condition carefully before buying, and budget for consumables in your first year.

We have limited data for the 1999 Yamaha Tdm850 — treat the figures below as indicative rather than definitive.

⚠️ Around 1 in 8 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
87.3%
UK average ~80%
Around average
Dangerous (ever)
14.7%
At least once in MOT history
Check this vehicle
Avg failures / car
1.67
Over 12 tests on record
High
Typical mileage
25k
Middle half: 17k–33k
For context

These stats describe 292 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.

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What tends to go wrong

Across 292 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 72.4%
Front Tyre worn close to the legal limit · Rear Tyre worn close to the legal limit · Front Tyre tread depth is below minimum requirements of 1.0mm · …
Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.
Exhaust & emissions 52.8%
Exhaust noisy · Exhaust is leaking but is not excessively noisey
Lighting 34.8%
Drive chain slightly loose · Headlamp aim too low
Usually cheap to fix. Worth confirming all lights work before collecting.
Brake wear 24.2%
Rear Brake pad(s) close to minimum limit · Front Roller brake test indicates slight fluctuation of brake effort · Rear Brake disc(s) slightly worn · …
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.
Other issues 12.7%
Drive chain worn but not considered excessive

Data covers a 3-year window centred on 1999.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 292 Yamaha Tdm850 cars.

UK

Before you buy a 1999 Yamaha Tdm850

Based on MOT data from 292 vehicles — here's what to check.

  • 📋 Check the full MOT history. 14.7% 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 ClickMechanic
  • 📄 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 carVertical Get 20% off via CarHunch

Colour Breakdown

Based on 2,028 Yamaha Tdm850 vehicles registered in the UK — across all years. From DVLA registration records.

Red 26.5%
538
Silver 22.3%
453
Black 19.8%
401
Yellow 13.4%
271
Blue 7.3%
148
Green 5.3%
107
Purple 2.4%
48
Grey 0.8%
17
Gold 0.7%
14
White 0.7%
14
Orange 0.5%
10
Multi-colour 0.3%
7

Mileage Distribution

Most 1999 Yamaha Tdm850 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.

24,963
typical
16,851
low mileage
33,423
high mileage

Half of all 1999 Yamaha Tdm850 vehicles fall between 16,851 and 33,423 miles.

Is the mileage you're seeing normal?
Under 16,851 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.
16,851–33,423 miles — normal for age. This is where most 1999 Yamaha Tdm850s sit.
Over 45,121 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

1999 Yamaha Tdm850 — Still on the Road

Numbers are thinning — 53% of 1999 Yamaha Tdm850s are still active.

85 vehicles still getting MOTs in 2025 — 53% of the peak remain.

160 85 2014 2025

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

12
Avg MOT tests per vehicle
1.67
Avg failures per vehicle
6.9
Avg advisories per vehicle
Other model years — Yamaha Tdm850: All Tdm850 years → Which year to buy? →
1991 1992 1993 1996 1997 1998 2000 2001

Or browse all models: Yamaha →

Compare with another model

See how the 1999 Yamaha Tdm850 stacks up against a rival.

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