BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/SPORTSTER 1200
Model report · 2005–2025

HARLEY-DAVIDSON SPORTSTER 1200

1200cc Petrol Class 2
78.4%
first-time pass rate
12.2%
failed outright
13,248
median miles at test
319
MOT tests, 2005–2025

Pass rate by mileage

how the SPORTSTER 1200's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage SPORTSTER 1200 passes first time 79.3% of the time; by 20k that's 73.2%.

72%76%81%0k: 79.3% pass (116 tests)10k: 78.4% pass (102 tests)20k: 73.2% pass (56 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 SPORTSTER 1200

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
25 27.5
lamps and reflectors
18 19.8
brakes
17 18.7
reg plates and vin
8 8.8
steering and suspension
5 5.5
tyres
5 5.5
tyres and wheels
5 5.5
driving controls
3 3.3
suspension
3 3.3
audible warning (Horn)
2 2.2

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the SPORTSTER 1200 beats 0 of its 4 closest rivals (TRIUMPH BONNEVILLE, TRIUMPH THUNDERBIRD, HARLEY-DAVIDSON XLH 883).

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 SPORTSTER 1200.

Pass rate by registration year

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

Best year to buy used: 1989 (64.8% pass). Weakest: 1989 (64.8%).

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.