1997 Harley Davidson Fatboy MOT Pass Rate
Pass rate for Fatboy models manufactured in 1997, based on 140 real MOT test results.
Data from official DVSA MOT testing records
1997 Harley Davidson Fatboy MOT Analysis
The 1997 Harley Davidson Fatboy has an MOT pass rate of 86.4% based on 140 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 19,697 miles on the odometer. With a 13.6% failure rate, the 1997 Fatboy is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1997 Harley Davidson Fatboy is Motorcycle lamps and reflectors, responsible for 1.4% of failures. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs range from £5–50. Motorcycle suspension is the second most common issue at 1.4%.
Top failures specific to 1997 models only. The overall Fatboy page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Lamps And Reflectors | 1.4% | 2 |
| 2 | Motorcycle Suspension | 1.4% | 2 |
Failures per 10,000 Miles
avg. 19,697 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle lamps and reflectors | 0.73 | 1.4% | 2 |
| Motorcycle suspension | 0.73 | 1.4% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1997 Harley Davidson Fatboy has an MOT pass rate of 86.4% based on 140 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 19,697 miles on the odometer. With a 13.6% failure rate, the 1997 Fatboy is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1997 Harley Davidson Fatboy, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle lamps and reflectors: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test. With relatively low average mileage of 19,697 miles, many of these vehicles are still in good mechanical condition.
Motorcycle lamps and reflectors — 1.4% of failures
Motorcycle lamps and reflectors issues account for 1.4% of MOT failures on 1997 Harley Davidson Fatboy models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Motorcycle suspension — 1.4% of failures
Motorcycle suspension issues account for 1.4% of MOT failures on 1997 Harley Davidson Fatboy models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.