BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/DL 650 AK7 GT
Model report · 2005–2025

SUZUKI DL 650 AK7 GT

645cc Petrol Class 2
85.0%
first-time pass rate
8.3%
failed outright
18,851
median miles at test
989
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2010–2025

The DL 650 AK7 GT's first-time pass rate has risen 8.3 points since 2010, 80.6% to 88.9%.

76%85%94%2010: 80.6% pass (31 tests)2011: 85.5% pass (76 tests)2012: 91.1% pass (90 tests)2013: 88.2% pass (85 tests)2014: 78.8% pass (85 tests)2015: 80.2% pass (81 tests)2016: 81.0% pass (79 tests)2017: 83.8% pass (74 tests)2018: 86.5% pass (52 tests)2019: 89.5% pass (57 tests)2020: 81.0% pass (42 tests)2021: 87.9% pass (58 tests)2022: 89.1% pass (55 tests)2023: 86.3% pass (51 tests)2024: 81.1% pass (37 tests)2025: 88.9% pass (36 tests)20102025

Pass rate by mileage

how the DL 650 AK7 GT's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage DL 650 AK7 GT passes first time 91.0% of the time; by 50k that's 71.4%.

67%81%95%0k: 91.0% pass (201 tests)10k: 85.6% pass (313 tests)20k: 81.6% pass (207 tests)30k: 86.8% pass (121 tests)40k: 77.5% pass (71 tests)50k: 71.4% pass (49 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 DL 650 AK7 GT

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
43 29.3 0.8×
steering and suspension
24 16.3 0.7×
lighting and signalling
21 14.3 0.3×
lamps and reflectors
19 12.9 0.8×
tyres and wheels
14 9.5 0.6×
drive system
10 6.8 0.8×
reg plates and vin
6 4.1 1.1×
structure and attachments
4 2.7 0.4×
suspension
3 2 0.4×
steering
3 2 0.7×

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 650 AK7 GT beats 3 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

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 650 AK7 GT.

Pass rate by registration year

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

Best year to buy used: 2007 (90.1% pass). Weakest: 2008 (81.2%).

79%86%92%2007: 90.1% pass (363 tests)2008: 81.2% pass (467 tests)2009: 85.2% pass (149 tests)200720082009

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 650 AK7 GT FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI DL 650 AK7 GT reliable?

The SUZUKI DL 650 AK7 GT is about average for its class: 85.0% of its 989 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2491 of 5426 models.

What does a DL 650 AK7 GT fail its MOT on most?

brakes — 29% of all defects recorded against failed DL 650 AK7 GT tests.

What is the best year of DL 650 AK7 GT to buy used?

By first-time pass rate, 2007-registered examples do best (90.1%) and 2008 worst (81.2%). Condition and history still trump the year.

How many miles will a DL 650 AK7 GT last?

The median DL 650 AK7 GT shows 18,851 miles at test, and examples around 50k miles still pass 71.4% of the time — mileage alone rarely kills one.