BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ GIANTCO/HY 150 N
Model report · 2005–2025

GIANTCO HY 150 N

125cc Petrol Class 1
#5374 of 5426 overall #1 of 1 GIANTCOs #708 of 734 commuter bikes
52.3%
first-time pass rate
37.7%
failed outright
5,000
median miles at test
281
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2009–2012

The HY 150 N's first-time pass rate has fallen 14.2 points since 2009, 68.3% to 54.1%.

41%57%74%2009: 68.3% pass (41 tests)2010: 46.3% pass (41 tests)2011: 50.0% pass (46 tests)2012: 54.1% pass (37 tests)20092012

What fails on a HY 150 N

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
149 31.3
steering and suspension
122 25.6
brakes
70 14.7
drive system
40 8.4
tyres and wheels
30 6.3
body and structure
23 4.8
lamps and reflectors
17 3.6
structure and attachments
9 1.9
fuel and exhaust
9 1.9
reg plates and vin
7 1.5

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 HY 150 N 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 HY 150 N.

Pass rate by registration year

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

Best year to buy used: 2006 (54.0% pass). Weakest: 2005 (51.2%).

50%53%55%2005: 51.2% pass (125 tests)2006: 54.0% pass (139 tests)20052006

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.