BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

YAMAHA DTR

124cc Petrol Class 1
#5136 of 5426 overall #400 of 409 YAMAHAs #583 of 734 commuter bikes
62.2%
first-time pass rate
24.7%
failed outright
18,243
median miles at test
259
MOT tests, 2005–2025

Pass rate by mileage

how the DTR's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage DTR passes first time 67.4% of the time; by 30k that's 58.3%.

56%63%69%0k: 67.4% pass (43 tests)10k: 64.9% pass (97 tests)20k: 58.3% pass (60 tests)30k: 58.3% pass (48 tests)0k20k30k

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 DTR

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
100 37.2
steering and suspension
43 16
brakes
36 13.4
tyres and wheels
23 8.6
drive system
18 6.7
lamps and reflectors
17 6.3
body and structure
10 3.7
fuel and exhaust
9 3.3
structure and attachments
7 2.6
suspension
6 2.2

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 DTR beats 0 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

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 DTR.