BIKERELIABILITY Reg check
League table/ TRIUMPH/ TR6/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Triumph TR6: MOT pass rate by registration year

Which TR6 years pass first time, and which fall short of the model's 89.7% average, from 4,376 DVSA tests.

1962
highest-passing year · 94.7%
1973
lowest-passing year · 84.8%
9.9pp
spread across 17 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: 1962 (94.7% of 131 tests). Lowest: 1973 (84.8% of 125). Years more than two points below the model average: 1956, 1958, 1970, 1973.

83%90%97%1956: 87.5% pass (88 tests)1958: 85.2% pass (54 tests)1959: 92.5% pass (80 tests)1960: 91.7% pass (133 tests)1961: 94.1% pass (170 tests)1962: 94.7% pass (131 tests)1963: 93.3% pass (89 tests)1964: 92.7% pass (96 tests)1965: 91.3% pass (103 tests)1966: 92.8% pass (277 tests)1967: 90.8% pass (465 tests)1968: 87.8% pass (377 tests)1969: 91.4% pass (561 tests)1970: 85.5% pass (572 tests)1971: 89.3% pass (597 tests)1972: 88.4% pass (310 tests)1973: 84.8% pass (125 tests)195619651973
RegisteredTestsFirst-time passvs model (89.7%)
1956 88 87.5% -2.2 pp
1958 54 85.2% -4.5 pp
1959 80 92.5% +2.8 pp
1960 133 91.7% +2.0 pp
1961 170 94.1% +4.4 pp
1962 131 94.7% +5.0 pp
1963 89 93.3% +3.6 pp
1964 96 92.7% +3.0 pp
1965 103 91.3% +1.6 pp
1966 277 92.8% +3.1 pp
1967 465 90.8% +1.1 pp
1968 377 87.8% -1.9 pp
1969 561 91.4% +1.7 pp
1970 572 85.5% -4.2 pp
1971 597 89.3% -0.4 pp
1972 310 88.4% -1.3 pp
1973 125 84.8% -4.9 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 · 2005–2019
83%92%100%2005: 95.5% pass (67 tests)2006: 90.5% pass (337 tests)2007: 89.6% pass (308 tests)2008: 89.6% pass (318 tests)2009: 89.1% pass (341 tests)2010: 86.1% pass (337 tests)2011: 88.5% pass (358 tests)2012: 87.4% pass (357 tests)2013: 87.9% pass (339 tests)2014: 89.6% pass (345 tests)2015: 91.6% pass (358 tests)2016: 91.3% pass (346 tests)2017: 91.9% pass (333 tests)2018: 91.9% pass (99 tests)2019: 96.9% pass (32 tests)20052019

Questions

Which TR6 years have the lowest MOT pass rate?
1956, 1958, 1970, 1973 registered examples pass first time less often than the Triumph TR6 overall (89.7%); the 1973 cohort is lowest at 84.8% from 125 tests.
Which TR6 year has the highest MOT pass rate?
1962, at 94.7% of 131 first tests (2005–2025). Years more than two points above the model average: 1959, 1961, 1962, 1963, 1964, 1966.
How much does the TR6 pass rate vary by year?
9.9 percentage points between the highest (1962, 94.7%) and lowest (1973, 84.8%) 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 TR6 reliability, failures and mileage · ranked #1049 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird