HARLEY-DAVIDSON FLSTFIA 15TH ANN. FAT BOY
What fails on a FLSTFIA 15TH ANN. FAT BOY
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
13 | 39.4 |
| fuel and exhaust |
|
5 | 15.2 |
| brakes |
|
4 | 12.1 |
| reg plates and vin |
|
3 | 9.1 |
| tyres and wheels |
|
3 | 9.1 |
| steering and suspension |
|
1 | 3 |
| lamps and reflectors |
|
1 | 3 |
| body and structure |
|
1 | 3 |
| driving controls |
|
1 | 3 |
| audible warning (Horn) |
|
1 | 3 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
On first-time pass rate the FLSTFIA 15TH ANN. FAT BOY beats 0 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, HARLEY-DAVIDSON XL1200C).
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 FLSTFIA 15TH ANN. FAT BOY.
Pass rate by registration year
Best year to buy used: 2005 (87.5% pass). Weakest: 2005 (87.5%).
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.