Kawasaki Z 550g3 (1986)

182 real MOT outcomes analysed • 8.3% first-time pass rate

1986 Kawasaki Z 550g3

CarHunch analysed 182 real MOT records for the 1986 Kawasaki Z 550g3. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

This 1986 Kawasaki Z 550G3 is a deeply unreliable proposition on the road: just 8.3% pass their MOT first time, versus the UK average of 80%, and petrol versions fare no better at 7.8%. The good news is that dangerous defects are vanishingly rare at 0%, so when these bikes fail, it's usually fixable rather than catastrophic.

At 36,304 miles median, these bikes have covered reasonable distance for their age, yet owners still rack up an average of 0.4 advisories per test—suggesting wear and corrosion are the real problem rather than catastrophic failure. If you're considering one, budget for immediate remedial work and factor in that you'll likely need a pre-purchase inspection to identify what needs attention before your first MOT attempt.

Below average reliability 71.7% below UK average
8.3%
pass MOT first time
UK average: ~80%
36,304
typical mileage
21,445–49,318 middle half
0%
ever had a dangerous defect
recorded at any MOT
0.05
avg MOT failures per car
over 1.3 tests on record

What to check before buying a 1986 Kawasaki Z 550g3

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 Kawasaki Z 550g3

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%) 181 7.8% 0.06
Other (1%) 1 100% 0

Mileage Distribution

Most 1986 Kawasaki Z 550g3 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.

21,445
low mileage
36,304
typical
49,318
high mileage

Half of all 1986 Kawasaki Z 550g3 vehicles fall between 21,445 and 49,318 miles.

MOT History Averages

1.3
Avg MOT tests per vehicle
0.05
Avg failures per vehicle
0.4
Avg advisories per vehicle

Found a specific Kawasaki Z 550g3?

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

UK

Other model years — Kawasaki Z 550g3:

1987