BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

SYM Symphony: MOT pass rate by registration year

Which Symphony years pass first time, and which fall short of the model's 79.5% average, from 840 DVSA tests.

2011
highest-passing year · 84.5%
2010
lowest-passing year · 74.7%
9.8pp
spread across 5 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 2011 (84.5% of 71 tests). Lowest: 2010 (74.7% of 79). Years more than two points below the model average: 2010.

73%80%86%2010: 74.7% pass (79 tests)2011: 84.5% pass (71 tests)2015: 81.7% pass (202 tests)2016: 78.9% pass (237 tests)2017: 82.1% pass (145 tests)201020152017
RegisteredTestsFirst-time passvs model (79.5%)
2010 79 74.7% -4.8 pp
2011 71 84.5% +5.0 pp
2015 202 81.7% +2.2 pp
2016 237 78.9% -0.6 pp
2017 145 82.1% +2.6 pp

Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.

Pass rate over time

first-time pass rate by test year · 2018–2025
67%83%100%2018: 81.0% pass (58 tests)2019: 77.1% pass (105 tests)2020: 81.4% pass (129 tests)2021: 80.7% pass (135 tests)2022: 78.6% pass (112 tests)2023: 75.3% pass (85 tests)2024: 72.5% pass (51 tests)2025: 95.9% pass (49 tests)20182025

Questions

Which Symphony years have the lowest MOT pass rate?
2010 registered examples pass first time less often than the SYM Symphony overall (79.5%); the 2010 cohort is lowest at 74.7% from 79 tests.
Which Symphony year has the highest MOT pass rate?
2011, at 84.5% of 71 first tests (2005–2025). Years more than two points above the model average: 2011, 2015, 2017.
How much does the Symphony pass rate vary by year?
9.8 percentage points between the highest (2011, 84.5%) and lowest (2010, 74.7%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

Full report: SYM Symphony reliability, failures and mileage · ranked #3687 of 5428 models· other SYM models: Jet, DD50, City Hopper, Jet 50 - Euro X, Fiddle, Shark