What year Yamaha Cs50 is most reliable?

Based on MOT first-test pass rates, the 2008 Yamaha Cs50 has the highest pass rate at 78.9%, out of 143 vehicles tested.

What are the most common Yamaha Cs50 MOT failures?

The most common Yamaha Cs50 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Yamaha Cs50 — Reliability by Year

810 vehicles · MOT data 2002–2008 · first-test pass rates

This page shows MOT first-test pass rates for each year the Yamaha Cs50 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

2008

78.9% pass rate · 143 vehicles

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Lowest pass rate year

2002

73.2% pass rate · 138 vehicles

Year	Pass rate	Avg mileage	Vehicles
2008	78.9%	3,602 mi	143
2007	77.1%	3,544 mi	117
2005	75.1%	4,174 mi	128
2004	75.9%	8,342 mi	158
2003	73.2%	6,875 mi	126
2002	73.2%	7,039 mi	138

Which year Yamaha Cs50 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 3,544 miles (newest year) to 8,342 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 Cs50.

See the buying guide →

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