BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Triumph Tiger 100: MOT pass rate by registration year

Which Tiger 100 years pass first time, and which fall short of the model's 90.2% average, from 2,248 DVSA tests.

1955
highest-passing year · 96.3%
1956
lowest-passing year · 81.3%
15.0pp
spread across 16 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: 1955 (96.3% of 108 tests). Lowest: 1956 (81.3% of 80). Years more than two points below the model average: 1956, 1963, 1965, 1966, 1969.

78%89%99%1955: 96.3% pass (108 tests)1956: 81.3% pass (80 tests)1957: 93.3% pass (89 tests)1959: 94.5% pass (91 tests)1960: 93.2% pass (205 tests)1961: 89.5% pass (76 tests)1962: 93.0% pass (142 tests)1963: 81.3% pass (64 tests)1964: 89.4% pass (123 tests)1965: 87.9% pass (206 tests)1966: 86.8% pass (204 tests)1967: 90.4% pass (157 tests)1968: 91.5% pass (118 tests)1969: 87.5% pass (120 tests)1970: 89.8% pass (98 tests)1971: 89.5% pass (105 tests)195519641971
RegisteredTestsFirst-time passvs model (90.2%)
1955 108 96.3% +6.1 pp
1956 80 81.3% -8.9 pp
1957 89 93.3% +3.1 pp
1959 91 94.5% +4.3 pp
1960 205 93.2% +3.0 pp
1961 76 89.5% -0.7 pp
1962 142 93.0% +2.8 pp
1963 64 81.3% -8.9 pp
1964 123 89.4% -0.8 pp
1965 206 87.9% -2.3 pp
1966 204 86.8% -3.4 pp
1967 157 90.4% +0.2 pp
1968 118 91.5% +1.3 pp
1969 120 87.5% -2.7 pp
1970 98 89.8% -0.4 pp
1971 105 89.5% -0.7 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 · 2005–2018
85%91%97%2005: 90.0% pass (40 tests)2006: 94.4% pass (216 tests)2007: 90.5% pass (199 tests)2008: 87.4% pass (199 tests)2009: 88.2% pass (204 tests)2010: 87.9% pass (215 tests)2011: 89.5% pass (200 tests)2012: 90.1% pass (181 tests)2013: 94.0% pass (151 tests)2014: 87.2% pass (149 tests)2015: 91.0% pass (144 tests)2016: 92.6% pass (135 tests)2017: 86.7% pass (120 tests)2018: 94.6% pass (37 tests)20052018

Questions

Which Tiger 100 years have the lowest MOT pass rate?
1956, 1963, 1965, 1966, 1969 registered examples pass first time less often than the Triumph Tiger 100 overall (90.2%); the 1956 cohort is lowest at 81.3% from 80 tests.
Which Tiger 100 year has the highest MOT pass rate?
1955, at 96.3% of 108 first tests (2005–2025). Years more than two points above the model average: 1955, 1957, 1959, 1960, 1962.
How much does the Tiger 100 pass rate vary by year?
15.0 percentage points between the highest (1955, 96.3%) and lowest (1956, 81.3%) 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 Tiger 100 reliability, failures and mileage · ranked #884 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird