BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/XL 1200 T SUPERLOW SPORTSTER20
Model report · 2005–2025

HARLEY-DAVIDSON XL 1200 T SUPERLOW SPORTSTER20

1202cc Petrol Class 2
94.5%
first-time pass rate
1.8%
failed outright
4,470
median miles at test
110
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2023–2025

The XL 1200 T SUPERLOW SPORTSTER20's first-time pass rate has fallen 4.6 points since 2023, 95.2% to 90.6%.

89%93%96%2023: 95.2% pass (42 tests)2025: 90.6% pass (32 tests)20232025

What fails on a XL 1200 T SUPERLOW SPORTSTER20

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
1 50
steering
1 50

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 XL 1200 T SUPERLOW SPORTSTER20 beats 4 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 XL 1200 T SUPERLOW SPORTSTER20.

Pass rate by registration year

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

Best year to buy used: 2020 (95.7% pass). Weakest: 2020 (95.7%).

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.