BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/GSF 650 SA K7
Model report · 2005–2025

SUZUKI GSF 650 SA K7

656cc Petrol Class 2
82.5%
first-time pass rate
9.8%
failed outright
16,000
median miles at test
2,255
MOT tests, 2005–2025

Pass rate over time

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

The GSF 650 SA K7's first-time pass rate has risen 4.9 points since 2010, 77.5% to 82.4%.

74%82%90%2010: 77.5% pass (160 tests)2011: 87.4% pass (190 tests)2012: 82.5% pass (189 tests)2013: 86.4% pass (177 tests)2014: 81.5% pass (178 tests)2015: 80.0% pass (165 tests)2016: 87.2% pass (172 tests)2017: 86.1% pass (166 tests)2018: 82.0% pass (111 tests)2019: 77.4% pass (124 tests)2020: 80.9% pass (89 tests)2021: 77.2% pass (127 tests)2022: 76.7% pass (120 tests)2023: 85.0% pass (113 tests)2024: 85.4% pass (82 tests)2025: 82.4% pass (91 tests)20102025

Pass rate by mileage

how the GSF 650 SA K7's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GSF 650 SA K7 passes first time 86.9% of the time; by 50k that's 78.9%.

72%81%89%0k: 86.9% pass (634 tests)10k: 84.5% pass (757 tests)20k: 78.3% pass (392 tests)30k: 74.2% pass (213 tests)40k: 77.2% pass (127 tests)50k: 78.9% pass (71 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 GSF 650 SA K7

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
86 23.1 0.7×
lighting and signalling
66 17.7 0.6×
tyres and wheels
50 13.4 0.9×
lamps and reflectors
46 12.4 1.1×
tyres
35 9.4 2.1×
structure and attachments
23 6.2 1.2×
suspension
22 5.9 1.1×
steering and suspension
20 5.4 0.2×
drive system
14 3.8 0.9×
fuel and exhaust
10 2.7 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 GSF 650 SA K7 beats 2 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 GSF 650 SA K7.

Pass rate by registration year

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

Best year to buy used: 2008 (84.6% pass). Weakest: 2007 (82.2%).

81%83%85%2007: 82.2% pass (2,016 tests)2008: 84.6% pass (214 tests)20072008

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 GSF 650 SA K7 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSF 650 SA K7 reliable?

The SUZUKI GSF 650 SA K7 is less reliable than average for its class: 82.5% of its 2,255 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #3073 of 5426 models.

What does a GSF 650 SA K7 fail its MOT on most?

brakes — 23% of all defects recorded against failed GSF 650 SA K7 tests.

How many miles will a GSF 650 SA K7 last?

The median GSF 650 SA K7 shows 16,000 miles at test, and examples around 50k miles still pass 78.9% of the time — mileage alone rarely kills one.