TRIUMPH 350

350cc Petrol Class 2

#1883 of 5426 overall #122 of 175 TRIUMPHs #1137 of 2787 other bikes

87.1%

first-time pass rate

8.1%

failed outright

18,254

median miles at test

272

MOT tests, 2005–2025

Pass rate by mileage

how the 350's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage 350 passes first time 82.8% of the time; by 30k that's 93.5%.

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 350

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	24	45.3
steering and suspension	14	26.4
brakes	7	13.2
body and structure	3	5.7
drive system	2	3.8
tyres and wheels	2	3.8
reg plates and vin	1	1.9

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 350 beats 4 of its 4 closest rivals (SUZUKI AN400, SUZUKI DR-Z400S, YAMAHA RD350).

SUZUKI AN400 86.2% pass · 27.1k tests SUZUKI DR-Z400S 80.4% pass · 26.8k tests YAMAHA RD350 86.3% pass · 19.6k tests KAWASAKI ZXR400 73.1% pass · 14.2k 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 350.