BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ TRIUMPH/TIGER CUB
Model report · 2005–2025
89.8%
first-time pass rate
4.2%
failed outright
6,857
median miles at test
3,086
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2018

The TIGER CUB's first-time pass rate has risen 11.2 points since 2005, 85.5% to 96.7%.

83%91%100%2005: 85.5% pass (62 tests)2006: 87.7% pass (243 tests)2007: 90.9% pass (209 tests)2008: 88.5% pass (234 tests)2009: 89.5% pass (239 tests)2010: 86.6% pass (253 tests)2011: 91.6% pass (273 tests)2012: 87.7% pass (260 tests)2013: 87.5% pass (264 tests)2014: 92.3% pass (246 tests)2015: 90.0% pass (241 tests)2016: 90.9% pass (220 tests)2017: 92.7% pass (218 tests)2018: 96.7% pass (60 tests)20052018

Pass rate by mileage

how the TIGER CUB's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage TIGER CUB passes first time 88.8% of the time; by 50k that's 93.8%.

85%90%95%0k: 88.8% pass (1,490 tests)10k: 88.8% pass (582 tests)20k: 87.5% pass (281 tests)30k: 92.5% pass (159 tests)40k: 86.3% pass (51 tests)50k: 93.8% pass (32 tests)0k30k50k

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a TIGER CUB

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lighting and signalling
93 31.2 0.5×
steering and suspension
78 26.2 0.6×
brakes
55 18.5 0.3×
tyres and wheels
33 11.1 0.4×
drive system
12 4 0.4×
body and structure
9 3 0.5×
fuel and exhaust
8 2.7 0.3×
Items Not Tested
4 1.3 1.4×
driving controls
4 1.3 0.6×
reg plates and vin
2 0.7 0.1×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 1956 (94.7% pass). Weakest: 1959 (81.7%).

79%88%97%1956: 94.7% pass (57 tests)1957: 89.6% pass (77 tests)1958: 88.4% pass (121 tests)1959: 81.7% pass (164 tests)1960: 90.7% pass (376 tests)1961: 90.6% pass (511 tests)1962: 92.3% pass (284 tests)1963: 88.6% pass (317 tests)1964: 92.6% pass (270 tests)1965: 90.9% pass (253 tests)1966: 87.6% pass (161 tests)1967: 90.8% pass (142 tests)1968: 87.5% pass (80 tests)1971: 86.3% pass (139 tests)195619631971

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

TRIUMPH TIGER CUB FAQ

answers computed from the data above · terms in the glossary

Is the TRIUMPH TIGER CUB reliable?

The TRIUMPH TIGER CUB is more reliable than average for its class: 89.8% of its 3,086 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #1024 of 5426 models.

What does a TIGER CUB fail its MOT on most?

lighting and signalling — 31% of all defects recorded against failed TIGER CUB tests.

What is the best year of TIGER CUB to buy used?

By first-time pass rate, 1956-registered examples do best (94.7%) and 1959 worst (81.7%). Condition and history still trump the year.

How many miles will a TIGER CUB last?

The median TIGER CUB shows 6,857 miles at test, and examples around 50k miles still pass 93.8% of the time — mileage alone rarely kills one.