BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ TRIUMPH/TIGER 660 SPORT
Model report · 2005–2025

TRIUMPH TIGER 660 SPORT

660cc Petrol Class 2
94.1%
first-time pass rate
4.1%
failed outright
6,258
median miles at test
786
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2024–2025

The TIGER 660 SPORT's first-time pass rate has risen 3.5 points since 2024, 90.9% to 94.4%.

90%93%95%2024: 90.9% pass (33 tests)2025: 94.4% pass (752 tests)20242025

What fails on a TIGER 660 SPORT

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
21 38.2 0.3×
lamps and reflectors
11 20 0.7×
structure and attachments
9 16.4 1.3×
steering
8 14.5 2.4×
suspension
3 5.5 0.3×
tyres
3 5.5 0.6×

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.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the TIGER 660 SPORT beats 2 of its 2 closest rivals (TRIUMPH TIGER 800, YAMAHA XT 660 Z TENERE).

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 TIGER 660 SPORT.

Pass rate by registration year

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

Best year to buy used: 2022 (94.1% pass). Weakest: 2022 (94.1%).

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 660 SPORT FAQ

answers computed from the data above · terms in the glossary

Is the TRIUMPH TIGER 660 SPORT reliable?

The TRIUMPH TIGER 660 SPORT is more reliable than average for its class: 94.1% of its 786 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #153 of 5426 models.

What does a TIGER 660 SPORT fail its MOT on most?

brakes — 38% of all defects recorded against failed TIGER 660 SPORT tests.