SIAMOTO FAVOURITE

125cc Petrol Class 1

#4792 of 5426 overall #1 of 1 SIAMOTOs #408 of 734 commuter bikes

69.2%

first-time pass rate

23.7%

failed outright

2,916

median miles at test

393

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2011

The FAVOURITE's first-time pass rate has risen 12.6 points since 2006, 64.1% to 76.7%.

What fails on a FAVOURITE

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	73	35.4
brakes	66	32
tyres and wheels	23	11.2
steering and suspension	22	10.7
fuel and exhaust	6	2.9
reg plates and vin	6	2.9
body and structure	5	2.4
driving controls	4	1.9
Performance	1	0.5

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 FAVOURITE 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 FAVOURITE.

Pass rate by registration year

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

Best year to buy used: 2003 (72.6% pass). Weakest: 2004 (70.2%).

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.