What year Yamaha Yn 100 is most reliable?

Based on MOT first-test pass rates, the 2002 Yamaha Yn 100 has the highest pass rate at 80.8%, out of 179 vehicles tested.

What are the most common Yamaha Yn 100 MOT failures?

The most common Yamaha Yn 100 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Yamaha Yn 100 — Reliability by Year

772 vehicles · MOT data 2000–2002 · first-test pass rates

This page shows MOT first-test pass rates for each year the Yamaha Yn 100 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year

2002

80.8% pass rate · 179 vehicles

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Lowest pass rate year

2000

71.5% pass rate · 301 vehicles

Year	Pass rate	Avg mileage	Vehicles
2002	80.8%	8,936 mi	179
2001	76.2%	7,278 mi	292
2000	71.5%	8,057 mi	301

Which year Yamaha Yn 100 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 7,278 miles (newest year) to 8,936 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 Yn 100.

See the buying guide →

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