YAMAHA XT225 SEROW

225cc Petrol Class 2

#1818 of 5426 overall #79 of 409 YAMAHAs #1101 of 2787 other bikes

87.3%

first-time pass rate

6.4%

failed outright

14,542

median miles at test

707

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2025

The XT225 SEROW's first-time pass rate has risen 5.4 points since 2006, 87.5% to 92.9%.

Pass rate by mileage

how the XT225 SEROW's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage XT225 SEROW passes first time 89.6% of the time; by 30k that's 87.4%.

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 XT225 SEROW

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	37	30.6	0.7×
brakes	30	24.8	0.6×
steering and suspension	17	14	0.6×
lamps and reflectors	11	9.1	0.5×
tyres and wheels	11	9.1	0.7×
reg plates and vin	4	3.3	1.0×
wheels	3	2.5	4.7×
structure and attachments	3	2.5	0.4×
suspension	3	2.5	0.4×
body and structure	2	1.7	0.6×

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 XT225 SEROW beats 4 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).

YAMAHA YP250 82.5% pass · 12.4k tests YAMAHA WR250F 78.0% pass · 10.5k tests HONDA XR250 78.8% pass · 9,277 tests HONDA CBF250 84.9% pass · 7,536 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 XT225 SEROW.

Pass rate by registration year

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

Best year to buy used: 2003 (93.9% pass). Weakest: 1993 (71.2%).

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.

YAMAHA XT225 SEROW FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA XT225 SEROW reliable?

The YAMAHA XT225 SEROW is more reliable than average for its class: 87.3% of its 707 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1818 of 5426 models.

What does a XT225 SEROW fail its MOT on most?

lighting and signalling — 31% of all defects recorded against failed XT225 SEROW tests.

What is the best year of XT225 SEROW to buy used?

By first-time pass rate, 2003-registered examples do best (93.9%) and 1993 worst (71.2%). Condition and history still trump the year.

How many miles will a XT225 SEROW last?

The median XT225 SEROW shows 14,542 miles at test, and examples around 30k miles still pass 87.4% of the time — mileage alone rarely kills one.