BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ BAOTIAN/BT 125 T-12 TANCO
Model report · 2005–2025

BAOTIAN BT 125 T-12 TANCO

125cc Petrol Class 1
#5141 of 5426 overall #12 of 17 BAOTIANs #585 of 734 commuter bikes
62.1%
first-time pass rate
32.1%
failed outright
8,394
median miles at test
380
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2013–2016

The BT 125 T-12 TANCO's first-time pass rate has risen 1.6 points since 2013, 54.0% to 55.6%.

51%61%71%2013: 54.0% pass (50 tests)2014: 67.9% pass (106 tests)2015: 61.0% pass (77 tests)2016: 55.6% pass (45 tests)20132016

Pass rate by mileage

how the BT 125 T-12 TANCO's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage BT 125 T-12 TANCO passes first time 67.1% of the time; by 20k that's 56.8%.

55%62%69%0k: 67.1% pass (216 tests)10k: 57.9% pass (114 tests)20k: 56.8% pass (37 tests)0k10k20k

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 BT 125 T-12 TANCO

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
steering and suspension
97 29.7
lighting and signalling
82 25.1
tyres and wheels
49 15
brakes
48 14.7
body and structure
16 4.9
fuel and exhaust
13 4
suspension
9 2.8
structure and attachments
6 1.8
lamps and reflectors
4 1.2
reg plates and vin
3 0.9

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 BT 125 T-12 TANCO 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 BT 125 T-12 TANCO.

Pass rate by registration year

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

Best year to buy used: 2011 (66.7% pass). Weakest: 2008 (54.1%).

52%60%69%2008: 54.1% pass (61 tests)2009: 66.1% pass (56 tests)2010: 57.3% pass (89 tests)2011: 66.7% pass (162 tests)200820102011

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.