2005 Yamaha YP400 Engine cooling Problems
- Complaints
- 3about this part
- Share
- 50%of 6 total for the year
- Median mileage
- 12,100miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2005 Yamaha YP400, 50% of the 6 complaints for this model year. Where a mileage was given, the median is 12,100 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Vehicle stalls when attempting to accelerate normally (typically stalls in intersection). Not frequent. Vehicle restarts normally. Occurs when engine is fully warmed up.”
NHTSA complaint #10223529, filed 2008-04, 3,000 milesRelated service bulletins
- 10022493Jun 21, 2007Coupler corrosion makes engine difficult to start.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 3 | 50% |
Other parts of the 2005 Yamaha YP400
← All problems reported for the 2005 Yamaha YP400
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology