Yamaha Trx850 — Reliability by Year

877 vehicles · MOT data 1996–1999 · first-test pass rates

This page shows MOT first-test pass rates for each year the Yamaha Trx850 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
1999
86.0% pass rate · 125 vehicles
Lowest pass rate year
1997
84.8% pass rate · 373 vehicles
Year Pass rate Avg mileage Vehicles
1999
86.0%
19,798 mi 125
1998
85.6%
24,979 mi 126
1997
84.8%
23,863 mi 373
1996
85.2%
26,830 mi 253

Which year Yamaha Trx850 is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 19,798 miles (newest year) to 26,830 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 Yamaha Trx850.

See the buying guide →

All Yamaha models

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