BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ TRIUMPH/STREET TRIPLE 675
Model report · 2005–2025

TRIUMPH STREET TRIPLE 675

675cc Petrol Class 2
85.2%
first-time pass rate
7.1%
failed outright
10,332
median miles at test
411
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2019–2025

The STREET TRIPLE 675's first-time pass rate has fallen 5.2 points since 2019, 91.2% to 86.0%.

76%85%94%2019: 91.2% pass (34 tests)2021: 90.9% pass (44 tests)2022: 78.7% pass (47 tests)2023: 84.0% pass (50 tests)2024: 90.0% pass (40 tests)2025: 86.0% pass (50 tests)20192025

Pass rate by mileage

how the STREET TRIPLE 675's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage STREET TRIPLE 675 passes first time 85.4% of the time; by 20k that's 84.2%.

83%85%86%0k: 85.4% pass (198 tests)10k: 84.6% pass (169 tests)20k: 84.2% pass (38 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 STREET TRIPLE 675

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
12 23.5
brakes
11 21.6
lighting and signalling
7 13.7
structure and attachments
6 11.8
steering and suspension
5 9.8
audible warning (Horn)
4 7.8
tyres
2 3.9
reg plates and vin
2 3.9
tyres and wheels
1 2
body and structure
1 2

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 STREET TRIPLE 675 beats 2 of its 4 closest rivals (HONDA CB500, TRIUMPH STREET TRIPLE, HONDA CB600 HORNET).

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 STREET TRIPLE 675.

Pass rate by registration year

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

Best year to buy used: 2013 (96.3% pass). Weakest: 2016 (77.2%).

73%87%100%2013: 96.3% pass (54 tests)2015: 78.3% pass (60 tests)2016: 77.2% pass (57 tests)201320152016

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.