BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Triumph Speed Four: MOT pass rate by registration year

Which Speed Four years pass first time, and which fall short of the model's 81.4% average, from 8,421 DVSA tests.

2007
highest-passing year · 86.2%
2002
lowest-passing year · 80.2%
6.0pp
spread across 6 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: 2007 (86.2% of 116 tests). Lowest: 2002 (80.2% of 450).

79%83%87%2002: 80.2% pass (450 tests)2003: 80.9% pass (2,346 tests)2004: 80.6% pass (1,929 tests)2005: 81.0% pass (746 tests)2006: 82.3% pass (2,809 tests)2007: 86.2% pass (116 tests)200220052007
RegisteredTestsFirst-time passvs model (81.4%)
2002 450 80.2% -1.2 pp
2003 2,346 80.9% -0.5 pp
2004 1,929 80.6% -0.8 pp
2005 746 81.0% -0.4 pp
2006 2,809 82.3% +0.9 pp
2007 116 86.2% +4.8 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 · 2006–2025
76%83%90%2006: 87.7% pass (203 tests)2007: 84.7% pass (366 tests)2008: 79.1% pass (431 tests)2009: 81.0% pass (662 tests)2010: 84.0% pass (617 tests)2011: 82.6% pass (637 tests)2012: 81.8% pass (587 tests)2013: 80.8% pass (572 tests)2014: 80.0% pass (536 tests)2015: 81.2% pass (531 tests)2016: 78.9% pass (508 tests)2017: 81.7% pass (438 tests)2018: 81.7% pass (345 tests)2019: 78.5% pass (311 tests)2020: 79.4% pass (272 tests)2021: 81.0% pass (342 tests)2022: 81.6% pass (315 tests)2023: 78.0% pass (305 tests)2024: 80.8% pass (214 tests)2025: 85.6% pass (215 tests)20062025

Questions

Which Speed Four years have the lowest MOT pass rate?
none: no registration year of the Triumph Speed Four falls more than two points under the model's 81.4% overall pass rate.
Which Speed Four year has the highest MOT pass rate?
2007, at 86.2% of 116 first tests (2005–2025).
How much does the Speed Four pass rate vary by year?
6.0 percentage points between the highest (2007, 86.2%) and lowest (2002, 80.2%) 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: Triumph Speed Four reliability, failures and mileage · ranked #3291 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird