YAMAHA YP1 25R

124cc Petrol Class 1

#4794 of 5426 overall #373 of 409 YAMAHAs #409 of 734 commuter bikes

69.1%

first-time pass rate

22.2%

failed outright

12,448

median miles at test

738

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2017

The YP1 25R's first-time pass rate has fallen 2.6 points since 2006, 70.3% to 67.7%.

Pass rate by mileage

how the YP1 25R's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage YP1 25R passes first time 73.1% of the time; by 30k that's 59.5%.

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 YP1 25R

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	114	25.4	2.7×
brakes	113	25.2	2.4×
steering and suspension	93	20.7	3.1×
tyres and wheels	54	12	2.9×
lamps and reflectors	23	5.1	1.1×
suspension	15	3.3	2.0×
body and structure	13	2.9	3.1×
structure and attachments	8	1.8	0.8×
tyres	8	1.8	1.0×
steering	8	1.8	2.3×

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 YP1 25R 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 YP1 25R.

Pass rate by registration year

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

Best year to buy used: 2001 (73.6% pass). Weakest: 2000 (63.1%).

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 YP1 25R FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA YP1 25R reliable?

The YAMAHA YP1 25R is less reliable than average for its class: 69.1% of its 738 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4794 of 5426 models.

What does a YP1 25R fail its MOT on most?

lighting and signalling — 25% of all defects recorded against failed YP1 25R tests.

What is the best year of YP1 25R to buy used?

By first-time pass rate, 2001-registered examples do best (73.6%) and 2000 worst (63.1%). Condition and history still trump the year.

How many miles will a YP1 25R last?

The median YP1 25R shows 12,448 miles at test, and examples around 30k miles still pass 59.5% of the time — mileage alone rarely kills one.