Moto Guzzi 850t MOT Pass Rate
Overall pass rate across all manufacture years, based on 111 real MOT test results. Failure rate: 16.2%.
Data from official DVSA MOT testing records
Moto Guzzi 850t MOT Reliability Overview
The Moto Guzzi 850t is a rare vehicle in the UK, with 111 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 83.8% and a failure rate of 16.2%, which is well above the UK average of approximately 37%.
Based on this data, the Moto Guzzi 850t earns a "Excellent" reliability rating. The average Moto Guzzi 850t presents for MOT with approximately 47,572 miles on the clock. The 1976 manufacture year performs best with a 89.1% pass rate.
The most common MOT failure for the Moto Guzzi 850t is Motorcycle lighting and signalling, affecting 9.0% 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 steering and suspension at 2.7%. Motorcycle fuel and exhaust rounds out the top three at 2.7%. 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
Pass Rate by Manufacture Year
* 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
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Lighting And Signalling | 9.9% | 11 |
| 2 | Motorcycle Fuel And Exhaust | 3.6% | 4 |
| 3 | Motorcycle Steering And Suspension | 2.7% | 3 |
| 4 | Motorcycle Reg Plates And Vin | 2.7% | 3 |
| 5 | Motorcycle Brakes | 1.8% | 2 |
| 6 | Motorcycle Body And Structure | 1.8% | 2 |
| 7 | Motorcycle Audible Warning (Horn) | 0.9% | 1 |
| 8 | Motorcycle Lamps And Reflectors | 0.9% | 1 |
| 9 | Motorcycle Tyres And Wheels | 0.9% | 1 |
Failures per 10,000 Miles
avg. 47,572 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 lighting and signalling | 2.08 | 9.9% | 11 |
| Motorcycle fuel and exhaust | 0.76 | 3.6% | 4 |
| Motorcycle steering and suspension | 0.57 | 2.7% | 3 |
| Motorcycle reg plates and vin | 0.57 | 2.7% | 3 |
| Motorcycle brakes | 0.38 | 1.8% | 2 |
| Motorcycle body and structure | 0.38 | 1.8% | 2 |
| Motorcycle audible warning (Horn) | 0.19 | 0.9% | 1 |
| Motorcycle lamps and reflectors | 0.19 | 0.9% | 1 |
| Motorcycle tyres and wheels | 0.19 | 0.9% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Moto Guzzi 850t has 47,572 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.
The Moto Guzzi 850t has a mileage-adjusted failure rate of 3.41% per 10,000 miles driven. The average across all makes is 5.38%, so this model is better than average.
About Moto Guzzi 850t MOT Data
The Moto Guzzi 850t is a rare vehicle in the UK, with 111 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 83.8% and a failure rate of 16.2%, which is well above the UK average of approximately 37%.
For Moto Guzzi 850t 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 steering and suspension 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 850t is likely to perform.
Motorcycle lighting and signalling — 9.0% of failures
Motorcycle lighting and signalling issues account for 9.0% of MOT failures on the Moto Guzzi 850t. 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 — 2.7% of failures
Motorcycle steering and suspension issues account for 2.7% of MOT failures on the Moto Guzzi 850t. 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.
Motorcycle fuel and exhaust — 2.7% of failures
Motorcycle fuel and exhaust issues account for 2.7% of MOT failures on the Moto Guzzi 850t. 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 Moto Guzzi 850t?
Based on 111 MOT tests in our database, the Moto Guzzi 850t has an overall pass rate of 83.8% (16.2% fail rate).
What are the most common MOT failures on a Moto Guzzi 850t?
The top 3 reasons a Moto Guzzi 850t fails its MOT are: 1. Motorcycle lighting and signalling (9.0%), 2. Motorcycle steering and suspension (2.7%), 3. Motorcycle fuel and exhaust (2.7%). Check these areas before booking your MOT.
Is the Moto Guzzi 850t reliable?
With a 16.2% MOT failure rate, the 850t is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Moto Guzzi 850t?
Based on failure data, focus on: Motorcycle lighting and signalling (9.0%); Motorcycle steering and suspension (2.7%); Motorcycle fuel and exhaust (2.7%). 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.