SANYA SY 125-11

125cc Petrol Class 1

#5313 of 5426 overall #1 of 1 SANYAs #677 of 734 commuter bikes

56.3%

first-time pass rate

27.8%

failed outright

6,909

median miles at test

835

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2017

The SY 125-11's first-time pass rate has risen 4.5 points since 2011, 54.2% to 58.7%.

Pass rate by mileage

how the SY 125-11's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage SY 125-11 passes first time 59.5% of the time; by 20k that's 47.5%.

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 SY 125-11

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	260	32.6	4.3×
steering and suspension	143	17.9	4.0×
brakes	127	15.9	2.6×
drive system	97	12.2	10.9×
body and structure	61	7.7	11.5×
lamps and reflectors	26	3.3	0.9×
fuel and exhaust	25	3.1	3.2×
structure and attachments	22	2.8	1.9×
tyres and wheels	21	2.6	1.3×
driving controls	15	1.9	7.1×

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 SY 125-11 beats 0 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

YAMAHA YBR 125 71.0% pass · 125k tests HONDA CG125 72.2% pass · 89.3k tests HONDA CBF125 73.3% pass · 84.4k tests GILERA RUNNER 70.8% pass · 69.9k tests

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 SY 125-11.

Pass rate by registration year

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

Best year to buy used: 2010 (59.5% pass). Weakest: 2009 (47.3%).

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.

SANYA SY 125-11 FAQ

answers computed from the data above · terms in the glossary

Is the SANYA SY 125-11 reliable?

The SANYA SY 125-11 is less reliable than average for its class: 56.3% of its 835 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5313 of 5426 models.

What does a SY 125-11 fail its MOT on most?

lighting and signalling — 33% of all defects recorded against failed SY 125-11 tests.

What is the best year of SY 125-11 to buy used?

By first-time pass rate, 2010-registered examples do best (59.5%) and 2009 worst (47.3%). Condition and history still trump the year.

How many miles will a SY 125-11 last?

The median SY 125-11 shows 6,909 miles at test, and examples around 20k miles still pass 47.5% of the time — mileage alone rarely kills one.