BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

TRIUMPH T

650cc Petrol Class 2
93.6%
first-time pass rate
2.0%
failed outright
14,668
median miles at test
202
MOT tests, 2005–2025

Pass rate by mileage

how the T's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage T passes first time 92.3% of the time; by 20k that's 88.4%.

87%93%100%0k: 92.3% pass (65 tests)10k: 97.9% pass (48 tests)20k: 88.4% pass (43 tests)0k10k20k

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 T

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
4 50
brakes
2 25
driving controls
1 12.5
reg plates and vin
1 12.5

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the T beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the T.