YAMAHA YP

124cc Petrol Class 1

#3531 of 5426 overall #232 of 409 YAMAHAs #94 of 734 commuter bikes

80.2%

first-time pass rate

12.6%

failed outright

14,178

median miles at test

5,259

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2016–2025

The YP's first-time pass rate has fallen 2.3 points since 2016, 84.2% to 81.9%.

Pass rate by mileage

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

A low-mileage YP passes first time 86.6% of the time; by 50k that's 73.4%.

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 YP

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	526	37.4	1.7×
lamps and reflectors	408	29	3.3×
tyres	172	12.2	4.2×
suspension	86	6.1	1.9×
structure and attachments	55	3.9	1.3×
lighting and signalling	51	3.6	0.2×
steering	48	3.4	1.9×
Identification of the vehicle	25	1.8	1.9×
tyres and wheels	21	1.5	0.2×
steering and suspension	16	1.1	0.1×

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 YP beats 4 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 YP.

Pass rate by registration year

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

Best year to buy used: 2017 (86.1% pass). Weakest: 2013 (79.3%).

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.

YAMAHA YP FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA YP reliable?

The YAMAHA YP is more reliable than average for its class: 80.2% of its 5,259 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3531 of 5426 models.

What does a YP fail its MOT on most?

brakes — 37% of all defects recorded against failed YP tests.

What is the best year of YP to buy used?

By first-time pass rate, 2017-registered examples do best (86.1%) and 2014 worst (79.3%). Condition and history still trump the year.

How many miles will a YP last?

The median YP shows 14,178 miles at test, and examples around 50k miles still pass 73.4% of the time — mileage alone rarely kills one.