TRIUMPH SPEED TRIPLE 955I

955cc Petrol Class 2

#2572 of 5426 overall #147 of 175 TRIUMPHs #119 of 205 naked bikes

84.7%

first-time pass rate

8.7%

failed outright

17,595

median miles at test

12.3k

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2025

The SPEED TRIPLE 955I's first-time pass rate has risen 2.0 points since 2005, 82.2% to 84.2%.

Pass rate by mileage

how the SPEED TRIPLE 955I's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage SPEED TRIPLE 955I passes first time 87.7% of the time; by 50k that's 74.4%.

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 SPEED TRIPLE 955I

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	521	28.5	0.8×
lighting and signalling	348	19	0.5×
steering and suspension	251	13.7	0.6×
tyres and wheels	229	12.5	0.9×
lamps and reflectors	150	8.2	0.5×
suspension	81	4.4	0.8×
fuel and exhaust	66	3.6	0.7×
structure and attachments	61	3.3	0.6×
body and structure	60	3.3	0.8×
reg plates and vin	60	3.3	0.8×

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 SPEED TRIPLE 955I beats 0 of its 4 closest rivals (TRIUMPH SPEED TRIPLE, TRIUMPH STREET TRIPLE, APRILIA TUONO).

TRIUMPH SPEED TRIPLE 85.6% pass · 74.6k tests TRIUMPH STREET TRIPLE 87.7% pass · 37.7k tests APRILIA TUONO 88.4% pass · 34.7k tests TRIUMPH TRIDENT 85.0% pass · 23.9k tests

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 SPEED TRIPLE 955I.

Pass rate by registration year

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

Best year to buy used: 1998 (87.6% pass). Weakest: 1999 (80.8%).

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 SPEED TRIPLE 955I FAQ

answers computed from the data above · terms in the glossary

Is the TRIUMPH SPEED TRIPLE 955I reliable?

The TRIUMPH SPEED TRIPLE 955I is about average for its class: 84.7% of its 12,257 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2572 of 5426 models.

What does a SPEED TRIPLE 955I fail its MOT on most?

brakes — 29% of all defects recorded against failed SPEED TRIPLE 955I tests.

What is the best year of SPEED TRIPLE 955I to buy used?

By first-time pass rate, 1998-registered examples do best (87.6%) and 1999 worst (80.8%). Condition and history still trump the year.

How many miles will a SPEED TRIPLE 955I last?

The median SPEED TRIPLE 955I shows 17,595 miles at test, and examples around 50k miles still pass 74.4% of the time — mileage alone rarely kills one.