2007 Yamaha YP400 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
2 owner complaints analyzed
2 distinct recall campaigns
2,240 mi median reported failure mileage
Scope: 2007 model year. Data snapshot: . 2 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Electrical System is the most frequently named component, appearing in 1 of 2 complaints (50.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Engine operation | 2 | 100.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 1 |
| Fuel/Propulsion System | 1 |
Electrical System: 1; Fuel/Propulsion System: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (2). 0 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2008 | 1 |
| 2014 | 1 |
2008: 1; 2014: 1
Pattern summary
Electrical System leads the component reports. Engine operation appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10230342 · 2008-06-09 (June 9, 2008)
SCOOTER STALLS AND IS HARD TO START AGAIN. JUST PURCHASED THE SCOOTER LESS THAN 60 DAYS AGO AND IT IS UNRELIABLE AS WE HAVE BEEN STUCK TWICE IN ONE DAY. *TR
Owner-reported narrative. 480 miles reported. Look up ODI 10230342 at NHTSA ↗
Owner report 10611142 · 2014-07-16 (July 16, 2014)
IN HOT WEATHER, THE YAMAHA YP400 FAILS TO START, STALLS AT IDLE, AND INTERMITTENTLY CUTS FUEL AT HIGH SPEED. SYMPTOMS ARE NONEXISTENT UNTIL THE AIR TEMPERATURE EXCEEDS ABOUT 95 DEGREES F. SIMILAR PROBLEMS WITH THE FUEL PUMPS ARE FREQUENTLY DOCUMENTED WITH OWNERS OF MAJESTY YP400 MODELS AS WELL AS T-MAX XP500 AND ZUMA YW125, THE LAST OF WHICH WAS SUBJECT TO A RECALL OF ITS OWN. *TR
Owner-reported narrative. 4,000 miles reported. Look up ODI 10611142 at NHTSA ↗