BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

HARLEY-DAVIDSON STREET BOB

1584cc Petrol Class 2
84.9%
first-time pass rate
8.4%
failed outright
11,544
median miles at test
418
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2013–2017

The STREET BOB's first-time pass rate has fallen 15.0 points since 2013, 90.0% to 75.0%.

70%84%99%2013: 90.0% pass (30 tests)2014: 83.3% pass (36 tests)2015: 80.0% pass (35 tests)2016: 93.8% pass (32 tests)2017: 75.0% pass (32 tests)20132017

Pass rate by mileage

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

A low-mileage STREET BOB passes first time 87.4% of the time; by 20k that's 83.3%.

82%85%88%0k: 87.4% pass (183 tests)10k: 82.5% pass (160 tests)20k: 83.3% pass (48 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 STREET BOB

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
17 27
lamps and reflectors
12 19
reg plates and vin
7 11.1
suspension
6 9.5
brakes
5 7.9
tyres and wheels
4 6.3
steering
3 4.8
steering and suspension
3 4.8
structure and attachments
3 4.8
tyres
3 4.8

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 STREET BOB 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 STREET BOB.

Pass rate by registration year

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

Best year to buy used: 2008 (93.0% pass). Weakest: 2010 (75.0%).

71%84%97%2006: 88.3% pass (94 tests)2007: 80.4% pass (97 tests)2008: 93.0% pass (57 tests)2010: 75.0% pass (56 tests)200620082010

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.