YAMAHA YP 400 RA X-MAX ABS

395cc Petrol Class 2

#1332 of 5426 overall #53 of 409 YAMAHAs #816 of 2787 other bikes

88.8%

first-time pass rate

7.6%

failed outright

9,046

median miles at test

805

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2025

The YP 400 RA X-MAX ABS's first-time pass rate has fallen 7.8 points since 2020, 97.1% to 89.3%.

Pass rate by mileage

how the YP 400 RA X-MAX ABS's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage YP 400 RA X-MAX ABS passes first time 91.9% of the time; by 20k that's 87.2%.

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 400 RA X-MAX ABS

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	52	51	1.1×
tyres	20	19.6	3.1×
suspension	14	13.7	1.5×
lamps and reflectors	7	6.9	0.6×
structure and attachments	6	5.9	0.7×
steering	2	2	0.6×
Identification of the vehicle	1	1	0.5×

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 400 RA X-MAX ABS beats 4 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).

KAWASAKI ER5 77.4% pass · 53.1k tests SUZUKI GS500 76.4% pass · 44.9k tests SUZUKI AN400 86.2% pass · 27.1k tests SUZUKI DR-Z400S 80.4% pass · 26.8k 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 400 RA X-MAX ABS.

Pass rate by registration year

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

Best year to buy used: 2019 (94.0% pass). Weakest: 2018 (87.2%).

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 YP 400 RA X-MAX ABS FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA YP 400 RA X-MAX ABS reliable?

The YAMAHA YP 400 RA X-MAX ABS is more reliable than average for its class: 88.8% of its 805 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1332 of 5426 models.

What does a YP 400 RA X-MAX ABS fail its MOT on most?

brakes — 51% of all defects recorded against failed YP 400 RA X-MAX ABS tests.

What is the best year of YP 400 RA X-MAX ABS to buy used?

By first-time pass rate, 2019-registered examples do best (94.0%) and 2018 worst (87.2%). Condition and history still trump the year.

How many miles will a YP 400 RA X-MAX ABS last?

The median YP 400 RA X-MAX ABS shows 9,046 miles at test, and examples around 20k miles still pass 87.2% of the time — mileage alone rarely kills one.