AI Damage2003 Yamaha Road Star Warrior: common problems
Owners of the 2003 Yamaha Road Star Warrior filed 26 complaints with NHTSA, most often about powertrain and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 26
- involving a crash
- 1
What fails most often
- 1 Powertrain 85% of all complaints
- 2 Engine and cooling 12% of all complaints
- 3 Electrical system 4% of all complaints
- Powertrain: 22 complaints (85% of all).
- Engine and cooling: 3 complaints (12% of all).
- Electrical system: 1 complaints (4% of all), 1 of them with a crash reported by the owner.
Symptoms owners describe
How many of the 26 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Powertrain | 22 | 0 | 0 |
| Engine and cooling | 3 | 0 | 0 |
| Electrical system | 1 | 1 | 0 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Yamaha road star warrior engine stalled on highway examination revealed a cut off wire from cps timing sensor. Wire's are under great tension.
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.
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.
Consumer received nhtsa recall 03v309000 concerning transmission failure on january 9, 2004. Consumer took the vehicle to the dealer for recall repairs. Dealer informed consumer that the parts were not available, and that it would take another two months for the parts to be available.
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.
Two months ago the consumer received nhtsa's recall letter 03v309000 regarding transmission failure. The dealership did not have the parts available to conduct recall repairs.
Consumer received recall 03v309000 concerning transmission failure. Consumer received the recall notice and contacted the dealer, who informed the consumer that parts were not available because yamaha had not sent them.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 7,316 of 36,656 model years in the NHTSA data (top 20% most complained about).
On average one model year of the Road Star Warrior has 39 complaints (3 years in the data). This year has 26, below average.
What to check before buying
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Other years of this model
Questions and answers
What are the most common problems with the 2003 Yamaha Road Star Warrior?
Owner complaints to NHTSA most often mention: powertrain, engine and cooling, electrical system. Total complaints: 26. The most frequent symptoms in complaint texts: transmission slipping (19%), won't start (4%), stalls while driving (4%).
How many service bulletins (TSB) were issued for the 2003 Yamaha Road Star Warrior?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2003 Yamaha Road Star Warrior from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2003 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.