BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUKIDA/SK 125 T-18
Model report · 2005–2025

SUKIDA SK 125 T-18

125cc Petrol Class 1
#5313 of 5426 overall #8 of 10 SUKIDAs #677 of 734 commuter bikes
56.3%
first-time pass rate
34.5%
failed outright
5,952
median miles at test
531
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2009–2014

The SK 125 T-18's first-time pass rate has risen 19.7 points since 2009, 46.2% to 65.9%.

41%56%71%2009: 46.2% pass (52 tests)2010: 53.0% pass (134 tests)2011: 61.5% pass (104 tests)2012: 52.6% pass (76 tests)2013: 60.4% pass (48 tests)2014: 65.9% pass (44 tests)20092014

What fails on a SK 125 T-18

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lighting and signalling
197 38.9 5.6×
steering and suspension
127 25.1 5.4×
brakes
84 16.6 2.9×
tyres and wheels
54 10.7 3.8×
fuel and exhaust
16 3.2 3.7×
driving controls
9 1.8 7.2×
body and structure
9 1.8 3.1×
reg plates and vin
5 1 1.3×
lamps and reflectors
3 0.6 0.4×
Items Not Tested
2 0.4 4.1×

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 SK 125 T-18 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 SK 125 T-18.

Pass rate by registration year

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

Best year to buy used: 2006 (58.6% pass). Weakest: 2007 (54.2%).

53%56%59%2006: 58.6% pass (232 tests)2007: 54.2% pass (297 tests)20062007

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.

SUKIDA SK 125 T-18 FAQ

answers computed from the data above · terms in the glossary

Is the SUKIDA SK 125 T-18 reliable?

The SUKIDA SK 125 T-18 is less reliable than average for its class: 56.3% of its 531 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5313 of 5426 models.

What does a SK 125 T-18 fail its MOT on most?

lighting and signalling — 39% of all defects recorded against failed SK 125 T-18 tests.