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1990 Honda St1100-l MOT Pass Rate

Pass rate for St1100-l models manufactured in 1990, based on 102 real MOT test results.

71.6%
Pass Rate
28.4%
Fail Rate
102
Total Tests
55,056
Avg Mileage

Data from official DVSA MOT testing records

1990 Honda St1100-l MOT Analysis

The 1990 Honda St1100-l has an MOT pass rate of 71.6% based on 102 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 55,056 miles on the odometer. With a 28.4% failure rate, the 1990 St1100-l is rated as "Very Good" for MOT reliability.

The leading cause of MOT failure for the 1990 Honda St1100-l is Motorcycle steering, responsible for 2.0% of failures. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs range from £150–600. Motorcycle brakes is the second most common issue at 1.0%.

Top failures specific to 1990 models only. The overall St1100-l page may show different rankings.

What Fails Most

Motorcycle steering 2.0%
Motorcycle brakes 1.0%

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 Steering2.0%2
2Motorcycle Brakes1.0%1

Failures per 10,000 Miles

avg. 55,056 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 steering0.36% per 10K miMotorcycle brakes0.18% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle steering0.362.0%2
Motorcycle brakes0.181.0%1

Mileage Statistics

55,056
Mean
55,538
Median
36,337
25th Percentile
83,316
75th Percentile
5.16% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 1990 Honda St1100-l has an MOT pass rate of 71.6% based on 102 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 55,056 miles on the odometer. With a 28.4% failure rate, the 1990 St1100-l is rated as "Very Good" for MOT reliability.

If you own or are considering buying a 1990 Honda St1100-l, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle steering: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels. At 55,056 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Motorcycle steering — 2.0% of failures

Motorcycle steering issues account for 2.0% of MOT failures on 1990 Honda St1100-l models. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.

Motorcycle brakes — 1.0% of failures

Motorcycle brakes issues account for 1.0% of MOT failures on 1990 Honda St1100-l models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).

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

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