BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/DL 250 AL8
Model report · 2005–2025

SUZUKI DL 250 AL8

248cc Petrol Class 2
94.2%
first-time pass rate
3.1%
failed outright
5,243
median miles at test
1,203
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2021–2025

The DL 250 AL8's first-time pass rate has fallen 5.2 points since 2021, 96.3% to 91.1%.

90%94%99%2021: 96.3% pass (164 tests)2022: 97.1% pass (245 tests)2023: 93.4% pass (304 tests)2024: 93.0% pass (228 tests)2025: 91.1% pass (235 tests)20212025

Pass rate by mileage

how the DL 250 AL8's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage DL 250 AL8 passes first time 96.2% of the time; by 20k that's 83.8%.

81%90%99%0k: 96.2% pass (936 tests)10k: 88.5% pass (208 tests)20k: 83.8% pass (37 tests)0k10k20k

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 DL 250 AL8

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
24 40.7 0.4×
structure and attachments
12 20.3 1.1×
tyres
10 16.9 1.1×
lamps and reflectors
6 10.2 0.3×
suspension
5 8.5 0.5×
steering
2 3.4 0.4×

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 DL 250 AL8 beats 4 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).

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 DL 250 AL8.

Pass rate by registration year

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

Best year to buy used: 2020 (97.8% pass). Weakest: 2018 (93.2%).

92%96%99%2017: 95.2% pass (189 tests)2018: 93.2% pass (548 tests)2019: 93.6% pass (327 tests)2020: 97.8% pass (139 tests)201720192020

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.

SUZUKI DL 250 AL8 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI DL 250 AL8 reliable?

The SUZUKI DL 250 AL8 is more reliable than average for its class: 94.2% of its 1,203 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #142 of 5426 models.

What does a DL 250 AL8 fail its MOT on most?

brakes — 41% of all defects recorded against failed DL 250 AL8 tests.

What is the best year of DL 250 AL8 to buy used?

By first-time pass rate, 2020-registered examples do best (97.8%) and 2018 worst (93.2%). Condition and history still trump the year.

How many miles will a DL 250 AL8 last?

The median DL 250 AL8 shows 5,243 miles at test, and examples around 20k miles still pass 83.8% of the time — mileage alone rarely kills one.