2004 Yamaha YZFR1 Electrical system Problems
- Complaints
- 19about this part
- Share
- 51%of 37 total for the year
- Median mileage
- 7,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 19 complaints about the electrical system of the 2004 Yamaha YZFR1, 51% of the 37 complaints for this model year. Where a mileage was given, the median is 7,000 miles. 2 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Was returning from a vacation trip and bike started sounding funny. Then on highway lights and gauges started going on the interstate bike stalled lalmost locking up bike in curve while riding on wet road. Several tractor trailers were behind me and nearly almost killed me from the sudden change of speed due to bike killing power. Managed to get to side of interstate. Killed my battery to no return 80+$. Open searching web after getting hope looked at the stator and flywheel(rotar) magnets are everywhere!!!!!!! This almost killed me!!! …”
NHTSA complaint #10734846, filed 2015-07, 18,000 miles“Motorcycle 2004 Yamaha r1 the motorcycle engine cuts out and starts to surge, at idle the rpms drop by half and usually dies totally. This happens anywhere I stop and let off the gas. I have almost wrecked numerous times because of this. It started about 1 year ago at about 3000 miles on the odometer.”
NHTSA complaint #10161944, filed 2006-07, 3,000 miles“I am an owner of a 2004 Yamaha r1 motorcycle. While I was riding home mid day on april 11 2005 I noticed the bike idling very low every time I stopped. So I went in to a parking area and shut the engine off with the ignition key and waited for approximately 1 minute. It seemed to work fine so I pressed on home. …”
NHTSA complaint #10135295, filed 2005-09, 10,650 miles“I had my 2004 Yamaha r1 repeatedly lose power while operating in the sub-7000 RPM range. The motorcycle would backfire, sputter, and then lose power. The failure first appeared with approximately 7000 miles on the odometer. The failure was corrected by removing the throttle position sensors and cleaning them with contact cleaner. The cleaning was done approximately 2500 miles ago and the failure has not reappeared.”
NHTSA complaint #10157633, filed 2006-05, 7,000 miles“At low throttle position, my bike will break up and cut out, when I come to a stop it will stall, or when I am moving like on the highway it will stall. If I turn the key off then on it will reset and go for a little bit till it starts doing it again.”
NHTSA complaint #10156909, filed 2006-05, 9,500 milesElectrical system: other model years
Other parts of the 2004 Yamaha YZFR1
7 complaintsFuel system
6 complaintsVehicle speed control
4 complaintsOther or unknown
3 complaintsTires
2 complaintsEngine
1 complaintsBody and structure
1 complaints
← All problems reported for the 2004 Yamaha YZFR1
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