TRIUMPH DAYTONA 955I SS

955cc Petrol Class 2

#1506 of 5426 overall #106 of 175 TRIUMPHs #62 of 226 sport bikes

88.3%

first-time pass rate

6.9%

failed outright

14,557

median miles at test

802

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2023

The DAYTONA 955I SS's first-time pass rate has risen 2.3 points since 2007, 82.5% to 84.8%.

Pass rate by mileage

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

A low-mileage DAYTONA 955I SS passes first time 88.8% of the time; by 40k that's 86.1%.

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 DAYTONA 955I SS

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	31	31.6	0.7×
steering and suspension	16	16.3	0.5×
tyres and wheels	11	11.2	0.5×
lighting and signalling	9	9.2	0.3×
suspension	9	9.2	1.4×
reg plates and vin	7	7.1	1.3×
fuel and exhaust	5	5.1	0.7×
drive system	4	4.1	0.7×
lamps and reflectors	4	4.1	0.2×
tyres	2	2	0.4×

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 DAYTONA 955I SS beats 4 of its 4 closest rivals (YAMAHA YZF-R1, HONDA CBR900RR, TRIUMPH DAYTONA).

YAMAHA YZF-R1 84.1% pass · 232k tests HONDA CBR900RR 83.2% pass · 166k tests TRIUMPH DAYTONA 83.6% pass · 113k tests HONDA CBR1100XX 87.1% pass · 105k 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 DAYTONA 955I SS.

Pass rate by registration year

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

Best year to buy used: 2002 (94.0% pass). Weakest: 2003 (83.2%).

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 DAYTONA 955I SS FAQ

answers computed from the data above · terms in the glossary

Is the TRIUMPH DAYTONA 955I SS reliable?

The TRIUMPH DAYTONA 955I SS is more reliable than average for its class: 88.3% of its 802 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1506 of 5426 models.

What does a DAYTONA 955I SS fail its MOT on most?

brakes — 32% of all defects recorded against failed DAYTONA 955I SS tests.

What is the best year of DAYTONA 955I SS to buy used?

By first-time pass rate, 2002-registered examples do best (94.0%) and 2003 worst (83.2%). Condition and history still trump the year.

How many miles will a DAYTONA 955I SS last?

The median DAYTONA 955I SS shows 14,557 miles at test, and examples around 40k miles still pass 86.1% of the time — mileage alone rarely kills one.