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Sym Symply 50 MOT Pass Rate

Overall pass rate across all manufacture years, based on 2,993 real MOT test results. Failure rate: 23.0%.

77.0%
Pass Rate
23.0%
Fail Rate
2,993
Total Tests
Motorcycle brakes
Top Failure

Data from official DVSA MOT testing records

Sym Symply 50 MOT Reliability Overview

The Sym Symply 50 is a niche vehicle in the UK, with 2,993 MOT test results recorded in our database spanning 4 manufacture years. It has an overall MOT pass rate of 77.0% and a failure rate of 23.0%, which is well above the UK average of approximately 37%.

Based on this data, the Sym Symply 50 earns a "Excellent" reliability rating. The average Sym Symply 50 presents for MOT with approximately 11,235 miles on the clock. Manufacture year matters: 2011 models achieve the highest pass rate at 82.2%, while 2008 models have the lowest at 75.6%. This 6.6 percentage point difference suggests notable variation in build quality or component durability across production years.

The most common MOT failure for the Sym Symply 50 is Motorcycle brakes, affecting 19.6% of all tests. 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. The second most common issue is Motorcycle lighting and signalling at 9.9%. Motorcycle steering and suspension rounds out the top three at 6.3%. Together, these top 3 failure categories account for a significant portion of all MOT failures for this model.

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

What Fails Most

Motorcycle brakes 19.6%
Motorcycle lighting and signalling 9.9%
Motorcycle steering and suspension 6.3%
⚖️ Compare

Best Year to Buy

📊
Insufficient data per manufacture year for this analysis

📈 How Each Vintage Ages

Tracking how each manufacture year's MOT pass rate changes as the car ages. Showing 3 vintages — click year chips to highlight.

Multi-line chart showing how different Sym Symply 50 vintages degrade over time, from age 3 to 20 years.

Pass Rate %

Only vintages with 100+ tests in at least 3 different test years are shown. Fleet average is the UK-wide pass rate for all cars at each age.

📉 How Age Affects Reliability

MOT failure rate by vehicle age for the Sym Symply 50. The dashed red line marks when the manufacturer warranty typically expires (3 years).

22.8%
Fail rate at end of warranty (year 3)
19.2%
Fail rate after warranty (year 4)
-15.8%
Cliff increase

Line chart showing MOT failure rate by vehicle age from 3 to 8 years, with warranty expiry marked at 3 years.

Fail Rate %Warranty expires
This model Fleet average Warranty expiry

💡 What does the warranty cliff mean?

The Sym Symply 50 actually sees a 10% decrease in failure rate after the warranty period. This is likely due to survivorship bias — unreliable cars are already off the road by this age. Peak failure occurs at age 6 (23.8% fail rate).

Note: pass rates may improve for very old vehicles due to survivorship bias — only well-maintained cars remain on the road.

Pass Rate by Manufacture Year

82.2%
Tests Avg Mileage 10,079Top Failure Motorcycle brakes
78.0%
Tests Avg Mileage 11,302Top Failure Motorcycle brakes
76.7%
Tests Avg Mileage 11,259Top Failure Motorcycle brakes
75.6%
Tests Avg Mileage 11,497Top Failure Motorcycle brakes

* 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 Brakes20.6%616
2Motorcycle Lighting And Signalling10.3%309
3Motorcycle Steering And Suspension6.5%195
4Motorcycle Lamps And Reflectors4.4%133
5Motorcycle Fuel And Exhaust4.0%121
6Motorcycle Tyres And Wheels3.6%108
7Motorcycle Structure And Attachments1.7%51
8Motorcycle Body And Structure1.5%45
9Motorcycle Tyres1.3%40
10Motorcycle Reg Plates And Vin1.1%34
11Motorcycle Suspension1.1%33
12Motorcycle Steering1.1%32
13Identification Of The Vehicle0.4%13
14Motorcycle Audible Warning (Horn)0.4%11
15Items Not Tested0.3%8

Failures per 10,000 Miles

avg. 11,235 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 brakes18.32% per 10K miMotorcycle lighting and signalling9.19% per 10K miMotorcycle steering and suspension5.80% per 10K miMotorcycle lamps and reflectors3.96% per 10K miMotorcycle fuel and exhaust3.60% per 10K miMotorcycle tyres and wheels3.21% per 10K miMotorcycle structure and attachments1.52% per 10K miMotorcycle body and structure1.34% per 10K miMotorcycle tyres1.19% per 10K miMotorcycle reg plates and vin1.01% per 10K miMotorcycle suspension0.98% per 10K miMotorcycle steering0.95% per 10K miIdentification of the vehicle0.39% per 10K miMotorcycle audible warning (Horn)0.33% per 10K miItems Not Tested0.24% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle brakes18.3220.6%616
Motorcycle lighting and signalling9.1910.3%309
Motorcycle steering and suspension5.806.5%195
Motorcycle lamps and reflectors3.964.4%133
Motorcycle fuel and exhaust3.604.0%121
Motorcycle tyres and wheels3.213.6%108
Motorcycle structure and attachments1.521.7%51
Motorcycle body and structure1.341.5%45
Motorcycle tyres1.191.3%40
Motorcycle reg plates and vin1.011.1%34
Motorcycle suspension0.981.1%33
Motorcycle steering0.951.1%32
Identification of the vehicle0.390.4%13
Motorcycle audible warning (Horn)0.330.4%11
Items Not Tested0.240.3%8

🚗 Similar Cars to Consider

🚗
No comparable models

Mileage at MOT

11,235
Mean
8,980
Median
6,260
25th Percentile
11,689
75th Percentile

The average Sym Symply 50 has 11,235 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.

20.47%
Fail Rate per 10K Miles
Average across all makes: 5.38%
23.0%
Overall Fail Rate
11,235 avg miles
🔴 Poor — above average failure rate

The Sym Symply 50 has a mileage-adjusted failure rate of 20.47% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.

About Sym Symply 50 MOT Data

The Sym Symply 50 is a niche vehicle in the UK, with 2,993 MOT test results recorded in our database spanning 4 manufacture years. It has an overall MOT pass rate of 77.0% and a failure rate of 23.0%, which is well above the UK average of approximately 37%.

For Sym Symply 50 owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle brakes and motorcycle lighting and signalling 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 Symply 50 is likely to perform.

Motorcycle brakes — 19.6% of failures

Motorcycle brakes issues account for 19.6% of MOT failures on the Sym Symply 50. 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).

Motorcycle lighting and signalling — 9.9% of failures

Motorcycle lighting and signalling issues account for 9.9% of MOT failures on the Sym Symply 50. 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 steering and suspension — 6.3% of failures

Motorcycle steering and suspension issues account for 6.3% of MOT failures on the Sym Symply 50. 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.

Frequently Asked Questions

What is the MOT pass rate for the Sym Symply 50?

Based on 2,993 MOT tests in our database, the Sym Symply 50 has an overall pass rate of 77.0% (23.0% fail rate).

What are the most common MOT failures on a Sym Symply 50?

The top 3 reasons a Sym Symply 50 fails its MOT are: 1. Motorcycle brakes (19.6%), 2. Motorcycle lighting and signalling (9.9%), 3. Motorcycle steering and suspension (6.3%). Check these areas before booking your MOT.

Is the Sym Symply 50 reliable?

With a 23.0% MOT failure rate, the Symply 50 is more reliable than average compared to the UK average of ~40%.

What should I check before an MOT on my Sym Symply 50?

Based on failure data, focus on: Motorcycle brakes (19.6%); Motorcycle lighting and signalling (9.9%); Motorcycle steering and suspension (6.3%). 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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