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

BAOTIAN BT 49

49cc Petrol Class 1
67.6%
first-time pass rate
24.2%
failed outright
4,363
median miles at test
1,236
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2025

The BT 49's first-time pass rate has risen 15.4 points since 2011, 52.9% to 68.3%.

48%63%77%2011: 52.9% pass (34 tests)2012: 64.9% pass (37 tests)2016: 57.1% pass (35 tests)2017: 67.3% pass (208 tests)2018: 69.2% pass (156 tests)2019: 72.2% pass (162 tests)2020: 68.2% pass (129 tests)2021: 67.2% pass (137 tests)2022: 68.9% pass (122 tests)2023: 68.9% pass (61 tests)2024: 66.0% pass (47 tests)2025: 68.3% pass (41 tests)20112025

What fails on a BT 49

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lighting and signalling
152 19 1.6×
lamps and reflectors
145 18.1 4.7×
brakes
138 17.3 1.8×
steering and suspension
82 10.3 1.5×
suspension
65 8.1 5.7×
structure and attachments
63 7.9 5.2×
tyres
54 6.8 5.0×
steering
51 6.4 8.6×
tyres and wheels
29 3.6 1.0×
fuel and exhaust
20 2.5 1.8×

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 BT 49 beats 2 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

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 49.

Pass rate by registration year

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

Best year to buy used: 2007 (71.6% pass). Weakest: 2008 (57.1%).

54%64%75%2007: 71.6% pass (74 tests)2008: 57.1% pass (84 tests)2009: 60.2% pass (83 tests)2012: 68.3% pass (101 tests)2013: 67.3% pass (150 tests)2014: 69.7% pass (297 tests)2015: 64.0% pass (175 tests)2016: 71.0% pass (138 tests)200720132016

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.

BAOTIAN BT 49 FAQ

answers computed from the data above · terms in the glossary

Is the BAOTIAN BT 49 reliable?

The BAOTIAN BT 49 is less reliable than average for its class: 67.6% of its 1,236 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4875 of 5426 models.

What does a BT 49 fail its MOT on most?

lighting and signalling — 19% of all defects recorded against failed BT 49 tests.

What is the best year of BT 49 to buy used?

By first-time pass rate, 2007-registered examples do best (71.6%) and 2008 worst (57.1%). Condition and history still trump the year.