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Harley-davidson Sportster 48 MOT Pass Rate

Overall pass rate across all manufacture years, based on 32 real MOT test results. Failure rate: 9.4%.

90.6%
Pass Rate
9.4%
Fail Rate
32
Total Tests
Motorcycle lighting and signalling
Top Failure

Data from official DVSA MOT testing records

Harley-davidson Sportster 48 MOT Reliability Overview

The Harley-davidson Sportster 48 is a rare vehicle in the UK, with 32 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 90.6% and a failure rate of 9.4%, which is well above the UK average of approximately 37%.

Based on this data, the Harley-davidson Sportster 48 earns a "Excellent" reliability rating. The average Harley-davidson Sportster 48 presents for MOT with approximately 7,615 miles on the clock.

The most common MOT failure for the Harley-davidson Sportster 48 is Motorcycle lighting and signalling, affecting 9.4% of all tests. Motorcycle lighting and signalling issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. The second most common issue is Motorcycle lamps and reflectors at 6.3%. Motorcycle fuel and exhaust rounds out the top three at 3.1%. Together, these top 3 failure categories account for a significant portion of all MOT failures for this model.

⚠ Based on limited data (32 tests)

Top failures across all manufacture years combined. Individual year pages may show different top failures.

What Fails Most

Motorcycle lighting and signalling 9.4%
Motorcycle lamps and reflectors 6.3%
Motorcycle fuel and exhaust 3.1%
⚖️ Compare

* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Motorcycle Lighting And Signalling9.4%3
2Motorcycle Lamps And Reflectors6.3%2
3Motorcycle Fuel And Exhaust3.1%1

Failures per 10,000 Miles

avg. 7,615 mi

For 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.

Motorcycle lighting and signalling12.31% per 10K miMotorcycle lamps and reflectors8.21% per 10K miMotorcycle fuel and exhaust4.10% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle lighting and signalling12.319.4%3
Motorcycle lamps and reflectors8.216.3%2
Motorcycle fuel and exhaust4.103.1%1

🚗 Similar Cars to Consider

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No comparable models

Mileage at MOT

7,615
Mean
3,929
Median
1,072
25th Percentile
8,795
75th Percentile

The average Harley-davidson Sportster 48 has 7,615 miles when tested for MOT.

📊 Mileage-Adjusted Failure Rate

How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.

12.34%
Fail Rate per 10K Miles
Average across all makes: 5.38%
9.4%
Overall Fail Rate
7,615 avg miles
🔴 Poor — above average failure rate

The Harley-davidson Sportster 48 has a mileage-adjusted failure rate of 12.34% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.

About Harley-davidson Sportster 48 MOT Data

The Harley-davidson Sportster 48 is a rare vehicle in the UK, with 32 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 90.6% and a failure rate of 9.4%, which is well above the UK average of approximately 37%.

For Harley-davidson Sportster 48 owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle lighting and signalling and motorcycle lamps and reflectors for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific Sportster 48 is likely to perform.

Motorcycle lighting and signalling — 9.4% of failures

Motorcycle lighting and signalling issues account for 9.4% of MOT failures on the Harley-davidson Sportster 48. Motorcycle lighting and signalling issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.

Motorcycle lamps and reflectors — 6.3% of failures

Motorcycle lamps and reflectors issues account for 6.3% of MOT failures on the Harley-davidson Sportster 48. 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 fuel and exhaust — 3.1% of failures

Motorcycle fuel and exhaust issues account for 3.1% of MOT failures on the Harley-davidson Sportster 48. Motorcycle fuel and exhaust issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.

Frequently Asked Questions

What is the MOT pass rate for the Harley-davidson Sportster 48?

Based on 32 (based on limited data) MOT tests in our database, the Harley-davidson Sportster 48 has an overall pass rate of 90.6% (9.4% fail rate).

What are the most common MOT failures on a Harley-davidson Sportster 48?

The top 3 reasons a Harley-davidson Sportster 48 fails its MOT are: 1. Motorcycle lighting and signalling (9.4%), 2. Motorcycle lamps and reflectors (6.3%), 3. Motorcycle fuel and exhaust (3.1%). Check these areas before booking your MOT.

Is the Harley-davidson Sportster 48 reliable?

With a 9.4% MOT failure rate, the Sportster 48 is more reliable than average compared to the UK average of ~40%.

What should I check before an MOT on my Harley-davidson Sportster 48?

Based on failure data, focus on: Motorcycle lighting and signalling (9.4%); Motorcycle lamps and reflectors (6.3%); Motorcycle fuel and exhaust (3.1%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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