BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ YAMAHA/X-MAX 300
Model report · 2005–2025

YAMAHA X-MAX 300

292cc Petrol Class 2
93.2%
first-time pass rate
4.7%
failed outright
9,843
median miles at test
3,186
MOT tests, 2005–2025

Pass rate over time

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

The X-MAX 300's first-time pass rate has fallen 5.0 points since 2020, 96.7% to 91.7%.

90%94%98%2020: 96.7% pass (302 tests)2021: 94.0% pass (469 tests)2022: 93.2% pass (604 tests)2023: 91.9% pass (668 tests)2024: 93.5% pass (552 tests)2025: 91.7% pass (587 tests)20202025

Pass rate by mileage

how the X-MAX 300's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage X-MAX 300 passes first time 95.4% of the time; by 50k that's 91.4%.

84%91%97%0k: 95.4% pass (1,544 tests)10k: 91.9% pass (884 tests)20k: 89.7% pass (349 tests)30k: 85.6% pass (132 tests)40k: 86.8% pass (68 tests)50k: 91.4% pass (35 tests)0k30k50k

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 X-MAX 300

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
131 52 0.8×
tyres
49 19.4 2.1×
lamps and reflectors
27 10.7 0.5×
suspension
17 6.7 0.6×
steering
14 5.6 0.8×
structure and attachments
7 2.8 0.2×
Identification of the vehicle
6 2.4 0.7×
wheels
1 0.4 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 X-MAX 300 beats 4 of its 4 closest rivals (YAMAHA RD350, YAMAHA YP250, YAMAHA WR250F).

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 X-MAX 300.

Pass rate by registration year

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

Best year to buy used: 2018 (94.2% pass). Weakest: 2021 (92.1%).

91%93%95%2017: 92.5% pass (1,154 tests)2018: 94.2% pass (1,115 tests)2019: 92.8% pass (461 tests)2020: 92.7% pass (261 tests)2021: 92.1% pass (178 tests)201720192021

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 X-MAX 300 FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA X-MAX 300 reliable?

The YAMAHA X-MAX 300 is more reliable than average for its class: 93.2% of its 3,186 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #263 of 5426 models.

What does a X-MAX 300 fail its MOT on most?

brakes — 52% of all defects recorded against failed X-MAX 300 tests.

What is the best year of X-MAX 300 to buy used?

By first-time pass rate, 2018-registered examples do best (94.2%) and 2021 worst (92.1%). Condition and history still trump the year.

How many miles will a X-MAX 300 last?

The median X-MAX 300 shows 9,843 miles at test, and examples around 50k miles still pass 91.4% of the time — mileage alone rarely kills one.