BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Harley-Davidson Flstfi Fatboy Fuel Injected: MOT pass rate by registration year

Which Flstfi Fatboy Fuel Injected years pass first time, and which fall short of the model's 89.4% average, from 1,116 DVSA tests.

2001
highest-passing year · 92.8%
2005
lowest-passing year · 85.0%
7.8pp
spread across 6 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 2001 (92.8% of 125 tests). Lowest: 2005 (85.0% of 113). Years more than two points below the model average: 2004, 2005.

83%89%94%2001: 92.8% pass (125 tests)2002: 89.0% pass (182 tests)2003: 92.1% pass (178 tests)2004: 86.8% pass (273 tests)2005: 85.0% pass (113 tests)2006: 91.2% pass (193 tests)200120042006
RegisteredTestsFirst-time passvs model (89.4%)
2001 125 92.8% +3.4 pp
2002 182 89.0% -0.4 pp
2003 178 92.1% +2.7 pp
2004 273 86.8% -2.6 pp
2005 113 85.0% -4.4 pp
2006 193 91.2% +1.8 pp

Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.

Pass rate over time

first-time pass rate by test year · 2006–2025
78%89%100%2006: 94.4% pass (54 tests)2007: 94.8% pass (77 tests)2008: 87.1% pass (93 tests)2009: 94.7% pass (94 tests)2010: 85.3% pass (68 tests)2011: 84.1% pass (63 tests)2012: 85.7% pass (56 tests)2013: 90.0% pass (60 tests)2014: 82.0% pass (50 tests)2015: 86.4% pass (59 tests)2016: 96.3% pass (54 tests)2017: 92.3% pass (52 tests)2018: 90.5% pass (42 tests)2019: 83.3% pass (42 tests)2020: 92.5% pass (40 tests)2021: 90.5% pass (42 tests)2022: 92.0% pass (50 tests)2023: 83.3% pass (42 tests)2024: 87.9% pass (33 tests)2025: 92.3% pass (39 tests)20062025

Questions

Which Flstfi Fatboy Fuel Injected years have the lowest MOT pass rate?
2004, 2005 registered examples pass first time less often than the Harley-Davidson Flstfi Fatboy Fuel Injected overall (89.4%); the 2005 cohort is lowest at 85.0% from 113 tests.
Which Flstfi Fatboy Fuel Injected year has the highest MOT pass rate?
2001, at 92.8% of 125 first tests (2005–2025). Years more than two points above the model average: 2001, 2003.
How much does the Flstfi Fatboy Fuel Injected pass rate vary by year?
7.8 percentage points between the highest (2001, 92.8%) and lowest (2005, 85.0%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

Full report: Harley-Davidson Flstfi Fatboy Fuel Injected reliability, failures and mileage · ranked #1147 of 5428 models· other Harley-Davidson models: XLH 883, Flstf, Flstc, XL, XL1200C, XL883