BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/XL 883 N IRON
Model report · 2005–2025

HARLEY-DAVIDSON XL 883 N IRON

883cc Petrol Class 2
88.0%
first-time pass rate
4.9%
failed outright
7,943
median miles at test
2,051
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2012–2025

The XL 883 N IRON's first-time pass rate has risen 5.3 points since 2012, 80.9% to 86.2%.

78%86%94%2012: 80.9% pass (115 tests)2013: 85.2% pass (243 tests)2014: 91.7% pass (205 tests)2015: 91.0% pass (200 tests)2016: 88.9% pass (189 tests)2017: 86.5% pass (170 tests)2018: 90.9% pass (121 tests)2019: 89.7% pass (126 tests)2020: 88.4% pass (95 tests)2021: 86.6% pass (127 tests)2022: 84.3% pass (140 tests)2023: 89.1% pass (129 tests)2024: 90.5% pass (95 tests)2025: 86.2% pass (94 tests)20122025

Pass rate by mileage

how the XL 883 N IRON's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage XL 883 N IRON passes first time 90.1% of the time; by 20k that's 83.4%.

82%87%91%0k: 90.1% pass (1,278 tests)10k: 84.9% pass (542 tests)20k: 83.4% pass (151 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 XL 883 N IRON

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lamps and reflectors
57 27.7 1.1×
lighting and signalling
48 23.3 0.4×
brakes
27 13.1 0.3×
steering and suspension
20 9.7 0.3×
Identification of the vehicle
11 5.3 2.3×
reg plates and vin
10 4.9 0.7×
suspension
10 4.9 0.5×
structure and attachments
10 4.9 0.7×
fuel and exhaust
8 3.9 0.4×
driving controls
5 2.4 1.0×

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 XL 883 N IRON beats 3 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 883 N IRON.

Pass rate by registration year

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

Best year to buy used: 2010 (89.4% pass). Weakest: 2009 (86.2%).

85%88%90%2009: 86.2% pass (1,021 tests)2010: 89.4% pass (990 tests)20092010

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.

HARLEY-DAVIDSON XL 883 N IRON FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON XL 883 N IRON reliable?

The HARLEY-DAVIDSON XL 883 N IRON is more reliable than average for its class: 88.0% of its 2,051 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1604 of 5426 models.

What does a XL 883 N IRON fail its MOT on most?

lamps and reflectors — 28% of all defects recorded against failed XL 883 N IRON tests.

How many miles will a XL 883 N IRON last?

The median XL 883 N IRON shows 7,943 miles at test, and examples around 20k miles still pass 83.4% of the time — mileage alone rarely kills one.