What year Kawasaki Ex305 B5 is most reliable?

Based on MOT first-test pass rates, the 1987 Kawasaki Ex305 B5 has the highest pass rate at 86.7%, out of 187 vehicles tested.

What are the most common Kawasaki Ex305 B5 MOT failures?

The most common Kawasaki Ex305 B5 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

CarHunch

Get Started

Kawasaki Ex305 B5 — Reliability by Year

1,386 vehicles · MOT data 1987–1991 · first-test pass rates

This page shows MOT first-test pass rates for each year the Kawasaki Ex305 B5 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

✓

Best pass rate year

1987

86.7% pass rate · 187 vehicles

⚠

Lowest pass rate year

1989

79.9% pass rate · 366 vehicles

Year	Pass rate	Avg mileage	Vehicles
1991	83.1%	23,177 mi	178
1990	83.3%	30,255 mi	334
1989	79.9%	24,638 mi	366
1988	84.4%	27,195 mi	321
1987	86.7%	33,275 mi	187

Which year Kawasaki Ex305 B5 is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.

Tests range from an average of 23,177 miles (newest year) to 33,275 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Kawasaki Ex305 B5.

See the buying guide →

← All Kawasaki models

Check any UK registration — free MOT history and risk insights.