What are the common problems with the 2006 Ducati Monster S4 R?
Owners of the 2006 Ducati Monster S4 R have filed 12 complaints with NHTSA, most often about the fuel system (12). In NHTSA's complaints file of November 11, 2026, 12 of them list a mileage; a complaint is an owner's report, not a proven defect.
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See what the paid report includes →NHTSA's file holds 12 owner complaints on the 2006 Ducati Monster S4 R. Owners named the fuel system most often: 12 complaints, and half of the 12 that list a mileage came after 6,900 miles. A complaint can name more than one component. None of the 12 complaints reports a crash, a fire or an injury.
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Common problems with the 2006 Monster S4 R
NHTSA's file holds 12 owner complaints on the 2006 Ducati Monster S4 R. Owners named the fuel system most often: 12 complaints, and half of the 12 that list a mileage came after 6,900 miles. A complaint can name more than one component.
| Component (NHTSA category) | Complaints | Listing mileage | Median mileage |
|---|---|---|---|
| Fuel System, Gasoline | 12 | 12 | 7,000 |
None of the 12 complaints reports a crash, a fire or an injury.
Mileage when owners reported a problem with the 2006 Monster S4 R
The 12 mileages owners gave run from 950 to 12,000 miles, and half are at or under 7,000. With fewer than 20 mileages this page gives the median only: the other percentiles are too few to say. None came after 100,000 miles, none after 150,000 and none after 200,000.
These mileages say when owners reported a problem, not when a 2006 Monster S4 R wears out. NHTSA's file holds only vehicles whose owners complained; one that ran without a problem never appears in it, so it gives no lifespan and no cutoff, and how a vehicle was maintained matters more than any one odometer reading.
Most of these reports came early in the vehicle's life: all 12 came at or under 100,000 miles, so they say nothing about how many miles a 2006 Monster S4 R can cover.
| Measure | Value |
|---|---|
| Lowest mileage listed | 950 miles |
| 25th percentile | Too few to say |
| Median (50th percentile) | 7,000 miles |
| 75th percentile | Too few to say |
| 90th percentile | Too few to say |
| Highest mileage listed | 12,000 miles |
| Complaints after 100,000 miles | none |
| Complaints after 150,000 miles | none |
| Complaints after 200,000 miles | none |
Is the 2006 Monster S4 R a good year?
Complaint counts cannot say whether the 2006 is a good or a bad Monster S4 R: they rise with how many were sold and how long they have been on the road. They show how the 2006 compares with the other model years in NHTSA's file.
The 2006 is the only Ducati Monster S4 R model year with 10 or more complaints in NHTSA's file, so there is no other year to compare it with.
Recent model years have had less time to collect complaints, so their counts are still growing. No year is ranked by mileage here, because a year's median mileage mostly follows its age.
2006 Ducati Monster S4 R recalls
NHTSA's recall files of November 11, 2026 list no campaign for the 2006 model year under the names MONSTER S4 R and MONSTER S4R. Recalls can be filed under another name (a trim, a body or a series name), so a recall may still exist for the 2006 Ducati Monster S4 R: check the VIN with NHTSA's free recall lookup.
What these figures can and cannot tell you
- Complaints are owners’ reports to NHTSA. NHTSA publishes them without verifying them: a complaint is an allegation, not a defect finding.
- The mileage is what the owner wrote on the complaint; NHTSA does not check it against the odometer.
- The make, model and model year are the ones on the complaint. NHTSA records them as filed, so a few complaints sit under a model year the name was not sold in.
- They are not a lifespan study. The file holds only vehicles whose owners reported a problem, so these figures do not say how long a typical 2006 Monster S4 R lasts.
- A complaint count rises with how many vehicles were sold and how long they have been on the road, so it is not a rating of the 2006 Monster S4 R.
- Nothing here describes one vehicle: its title brands, odometer readings, accidents and open recalls are in the records for its own VIN.
- Every one of the 12 complaints on the 2006 Ducati Monster S4 R lists a usable mileage.
- NHTSA names counted: MONSTER S4 R and MONSTER S4R. NHTSA files some vehicles under several names (a series name and a trim name, for example); this page counts only these.
Primary sources behind this page
Open the underlying public source and verify that its scope matches the question you are asking.
- NHTSA complaints flat file (FLAT_CMPL.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- Complaints file field layout (CMPL.txt)National Highway Traffic Safety Administration
- NHTSA recalls flat file (FLAT_RCL_PRE_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- NHTSA recalls flat file (FLAT_RCL_POST_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- Recalls file field layout (RCL.txt)National Highway Traffic Safety Administration
- NHTSA recall and complaint datasets: scope and documentationNational Highway Traffic Safety Administration
- Recalls Lookup by VINNational Highway Traffic Safety Administration
NHTSA’s complaints file was downloaded on November 11, 2026 (FLAT_CMPL.txt, dated 2026-11-11 10:15, 2,265,416 rows), with its recall files (FLAT_RCL_PRE_2010.txt and FLAT_RCL_POST_2010.txt, dated 2026-11-11 08:02). Each complaint is counted once, by its NHTSA number, with the model year and mileage of its first row; a model year has a page only with 10 or more complaints. The collection script and its rules are in scripts/collect-nhtsa-model-year-longtail.mjs.
2006 Ducati Monster S4 R questions
What are the most common 2006 Ducati Monster S4 R problems?
NHTSA's file holds 12 owner complaints on the 2006 Ducati Monster S4 R. Owners named the fuel system most often: 12 complaints, and half of the 12 that list a mileage came after 6,900 miles. A complaint can name more than one component. None of the 12 complaints reports a crash, a fire or an injury.
At what mileage do owners report problems with the 2006 Ducati Monster S4 R?
Of the 12 complaints on the 2006 Ducati Monster S4 R that list mileage, half came after 6,900 miles; none came after 100,000 miles, none after 150,000 and none after 200,000. With fewer than 20 mileages, the median is the only percentile given. These are mileages at a reported problem; they do not say how many miles a 2006 Monster S4 R can cover.
Is the 2006 Ducati Monster S4 R a good year?
Complaint counts cannot say whether the 2006 is a good or a bad Monster S4 R: they rise with how many were sold and how long they have been on the road. They show how the 2006 compares with the other model years in NHTSA's file. The 2006 is the only Ducati Monster S4 R model year with 10 or more complaints in NHTSA's file, so there is no other year to compare it with.
How many recalls does the 2006 Ducati Monster S4 R have?
NHTSA's recall files of November 11, 2026 list no campaign for the 2006 model year under the names MONSTER S4 R and MONSTER S4R. Recalls can be filed under another name (a trim, a body or a series name), so a recall may still exist for the 2006 Ducati Monster S4 R: check the VIN with NHTSA's free recall lookup.
How do I check a used 2006 Ducati Monster S4 R before buying?
Take the 17-character VIN from the vehicle and compare the odometer with the readings on file for it: title transfers, inspections and auction sales record the mileage on the day. VIN Lookup (free-vin-lookup.com) sells the original ClearVIN PDF for $14.99 (3 reports for $29.99, 5 for $44.99): odometer readings, title brands and auction records on file for the VIN. Check the VIN before buying a used 2006 Ducati Monster S4 R.