Yamaha Rd500 (1984)

120 real MOT outcomes analysed • 92.5% first-time pass rate

1984 Yamaha Rd500

CarHunch analysed 120 real MOT records for the 1984 Yamaha Rd500. 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 1984 Yamaha RD500 is a genuinely reliable performer, with a 92.5% first-time MOT pass rate that sits well above the UK average of 80%, and a dangerous defect rate of just 4.2% means serious safety issues are rare. These bikes are built to last—at nearly 20,000 miles on average they're still passing tests cleanly, with only 0.37 failures per vehicle suggesting mechanical integrity holds up over time.

Most owners will encounter minor advisories (1.2 per bike on average) rather than actual failures, which typically involve wear items like brake pads or tyres rather than structural problems. If you're considering one, get a pre-purchase inspection focused on the fuel system and electrics—these are the common weak points on 40-year-old machines—but overall you're looking at a model that's earned its place in enthusiast collections.

We have limited data for the 1984 Yamaha Rd500 — treat the figures below as indicative rather than definitive.

First-time pass
92.5%
UK average ~80%
Better than average
Dangerous (ever)
4.2%
At least once in MOT history
Check this vehicle
Avg failures / car
0.37
Over 4.9 tests on record
Low
Typical mileage
19k
Middle half: 11k–26k
For context

These stats describe 120 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 120 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Suspension & steering 7.5%
Rear suspension bush has slight free play · Offside Front shock absorber has light misting of stanchion · Nearside Front shock absorber has light misting of stanchion · …
Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.
Lighting 7.5%
No lights fitted at time of test · Drive chain slightly loose · Rear reflector on motorcycle missing · …
Usually cheap to fix. Worth confirming all lights work before collecting.
Brake wear 5.5%
Front Roller brake test indicates slight fluctuation of brake effort · Front Brake binding but not excessively · Rear Stop lamp does not illuminate immediately a brake applies
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.
Tyre wear 4.5%
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.
Other issues 2.5%
Chain guard missing

Data covers a 3-year window centred on 1984.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 120 Yamaha Rd500 cars.

UK

Before you buy a 1984 Yamaha Rd500

Based on MOT data from 120 vehicles — here's what to check.

  • 📋 Check the full MOT history. 4.2% 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

Mileage Distribution

Most 1984 Yamaha Rd500 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.

18,834
typical
11,112
low mileage
26,012
high mileage

Half of all 1984 Yamaha Rd500 vehicles fall between 11,112 and 26,012 miles.

Is the mileage you're seeing normal?
Under 11,112 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.
11,112–26,012 miles — normal for age. This is where most 1984 Yamaha Rd500s sit.
Over 35,116 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

1984 Yamaha Rd500 — Still on the Road

Numbers are thinning — 26% of 1984 Yamaha Rd500s are still active.

Numbers are declining — 10 vehicles still getting MOTs in 2025 (26% of peak).

21 10 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

4.9
Avg MOT tests per vehicle
0.37
Avg failures per vehicle
1.2
Avg advisories per vehicle
Other model years — Yamaha Rd500: All Rd500 years → Which year to buy? →
1985

Or browse all models: Yamaha →

Compare with another model

See how the 1984 Yamaha Rd500 stacks up against a rival.

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