2003 Yamaha Road Star Warrior Engine cooling Problems
- Complaints
- 3about this part
- Share
- 12%of 26 total for the year
- Median mileage
- 7,811miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2003 Yamaha Road Star Warrior, 12% of the 26 complaints for this model year. Where a mileage was given, the median is 7,811 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.
“Recall of Yamaha Road Star Warrior motorcycle. Yamaha does not have parts for the recall and will not provide a warranty on a completely rebuilt engine (with only 600 original miles). The motorcyle is parked while payments and insurance is paid. Yamaha does not know when th eparts will be available for the recall.”
NHTSA complaint #10060546, filed 2004-03, 600 miles“Visiting daytona bike week 2007. Engine shut down while traveling at highway speed on freeway. After motorists graciously allowed me through traffic to the shoulder had error code 12 and motorcycle would not start. Trailered to Yamaha dealer and they said crankcase position sensor (cps) had become separated from its connecting wire inside the engine. Local dealer fixed next day at cost of several hundred dollars. Did not have part so soldered connection. …”
NHTSA complaint #10197145, filed 2007-07, 7,811 miles“Riding 2003 Yamaha roadstar warrior on public highway engine stopped, diagnostic code 12 showed on speedometer cps( crank shaft positioning sensor) wire broke. Need to order new sensor.”
NHTSA complaint #10159578, filed 2006-06, 11,700 milesEngine cooling: other model years
Other parts of the 2003 Yamaha Road Star Warrior
← All problems reported for the 2003 Yamaha Road Star Warrior
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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