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Suzuki Gs850 (1981)

136 real MOT outcomes analysed • 86.3% first-time pass rate

1981 Suzuki Gs850

CarHunch analysed 136 real MOT records for the 1981 Suzuki Gs850. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

The 1981 Suzuki GS850 passes its MOT at 86.3%, well above the UK average of 80%, which is genuinely impressive for a machine that's over 40 years old—these are well-maintained survivors. The dangerous defect rate sits at just 7.3%, so safety-critical failures are uncommon, and you're not walking into a hidden liability.

With a median mileage of just under 33,000, these bikes have been ridden conservatively, suggesting owners have cherished them rather than thrashed them. The average of 0.98 failures per MOT and 2.3 advisories per vehicle indicates routine wear items need attention (likely brake pads, seals, and lights), but nothing structural is jumping out as a chronic weakness—budget for regular maintenance rather than major rebuilds.

Generally reliable 6.3% above UK average
86.3%
pass MOT first time
UK average: ~80%
32,922
typical mileage
19,864–49,417 middle half
7.4%
ever had a dangerous defect
recorded at any MOT
0.98
avg MOT failures per car
over 6.2 tests on record

What to check before buying a 1981 Suzuki Gs850

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 Suzuki Gs850

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

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Mileage Distribution

Most 1981 Suzuki Gs850 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.

19,864
low mileage
32,922
typical
49,417
high mileage

Half of all 1981 Suzuki Gs850 vehicles fall between 19,864 and 49,417 miles.

1981 Suzuki Gs850 — Still on the Road

Numbers are declining — 14 vehicles still getting MOTs in 2022 (33% of peak).

42 14 2014 2022

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2022.

MOT History Averages

6.2
Avg MOT tests per vehicle
0.98
Avg failures per vehicle
2.3
Avg advisories per vehicle

Most Common MOT Issues — 1981 Suzuki Gs850

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

  • 24.3%
    Rear Tyre worn close to the legal limit
  • 23.4%
    Front Tyre worn close to the legal limit
  • 9.5%
    Nearside Front shock absorber has light misting of stanchion
  • 9%
    Exhaust is leaking but is not excessively noisey
  • 8.4%
    Rear Roller brake test indicates a binding brake
  • 8.4%
    Exhaust noisy
  • 8.4%
    Headlamp aim too high
  • 8.1%
    Offside Front shock absorber has light misting of stanchion

Data covers a 3-year window centred on 1981. Counts include advisories and failures.

Found a specific Suzuki Gs850?

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

UK

Other model years — Suzuki Gs850:

1980