What year Yamaha Yn 50 Neo S is most reliable?

Based on MOT first-test pass rates, the 2003 Yamaha Yn 50 Neo S has the highest pass rate at 80.8%, out of 231 vehicles tested.

What are the most common Yamaha Yn 50 Neo S MOT failures?

The most common Yamaha Yn 50 Neo S 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 50 Neo S — Reliability by Year

2,848 vehicles · MOT data 1998–2004 · first-test pass rates

This page shows MOT first-test pass rates for each year the Yamaha Yn 50 Neo S 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

2003

80.8% pass rate · 231 vehicles

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Lowest pass rate year

1999

69.5% pass rate · 571 vehicles

Year	Pass rate	Avg mileage	Vehicles
2004	76.1%	4,990 mi	144
2003	80.8%	7,009 mi	231
2002	76.2%	6,315 mi	388
2001	76.6%	7,214 mi	585
2000	79.2%	9,438 mi	652
1999	69.5%	7,529 mi	571
1998	75.4%	7,632 mi	277

Which year Yamaha Yn 50 Neo S 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 4,990 miles (newest year) to 9,438 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 50 Neo S.

See the buying guide →

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