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Electrical systemPart report

2005 Yamaha YP400 Electrical system Problems

Complaints
2about this part
Share
33%of 6 total for the year
Median mileage
2,410miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2005 Yamaha YP400, 33% of the 6 complaints for this model year. Where a mileage was given, the median is 2,410 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.

“I had a new 2005 majesty (Yamaha) scooter. It would on occasion stall. I had it twice stall while merging onto the freeway. This almost resulted in a crash, but I was able to get to the shoulder and restart the engine. The dealer replaced the ecu and I have not any problems since.”

NHTSA complaint #10224148, filed 2008-04, 320 miles

Electrical system: other model years

YearComplaintsShare of year
2005233%

Other parts of the 2005 Yamaha YP400

Engine cooling
3 complaints
Engine
1 complaints

← 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