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2004 Yamaha Road Star Warrior

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 6 of 7 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Engine And Engine Cooling complaints

4 reports
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18,800 miles · Sep 19, 2006
Electrical SystemEngine And Engine Cooling

ENGINE STARTED CUTTING OUT AND BACK FIRING AT 70 MPH ON RT15 NEAR ST. GEORGE , UTAH. WAS ABLE TO NURSE BIKE HOME OVER A TWO DAY PERIOD BY NOT EXCEEDING 67~68 MPH DRIVING IN THE TRUCK LANE ON RT15 DURING LABOR DAY WEEKEND ON 75 MPH ACCESS HIGHWAY. REPLACED PICKUP SENSOR (CRANKSHAFT POSITION SENSOR) AND LEFT ENGINE COVER GASKET.…

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ENGINE STARTED CUTTING OUT AND BACK FIRING AT 70 MPH ON RT15 NEAR ST. GEORGE , UTAH. WAS ABLE TO NURSE BIKE HOME OVER A TWO DAY PERIOD BY NOT EXCEEDING 67~68 MPH DRIVING IN THE TRUCK LANE ON RT15 DURING LABOR DAY WEEKEND ON 75 MPH ACCESS HIGHWAY. REPLACED PICKUP SENSOR (CRANKSHAFT POSITION SENSOR) AND LEFT ENGINE COVER GASKET. *JB

NHTSA ODI #10168596

6,250 miles · Jun 7, 2006
Electrical SystemEngine And Engine Cooling

CPS FAILURE. ENGINE CUT OUT WHEN ROLLING OFF THE THROTTLE. *JB

NHTSA ODI #10159272

4,900 miles · Jun 7, 2006
Electrical SystemEngine And Engine Cooling

CPS FAILURE. ENGINE CUT OUT WHEN ROLLING OFF THROTTLE. *JB

NHTSA ODI #10159269

3,000 miles · Jun 7, 2006
Electrical SystemEngine And Engine Cooling

2004 YAMAHA ROADSTAR WARRIOR "CRANK SHAFT POSITION SENSOR FAILURE" DATE OF FAILURE AUGUST, 30 2004 APPROX 3000 MILES PURCHASE DATE: JUNE 2004 1.) I WAS TRAVELING ON MY 2004 YAMAHA ROADSTAR WARRIOR AT 65 MPH IN CONGESTED HIGHWAY CONDITIONS AT NIGHT PRIOR/DURING THE DURING THE COMPONENT (CRANK SHAFT POSITION SENSOR) FAILURE. …

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2004 YAMAHA ROADSTAR WARRIOR "CRANK SHAFT POSITION SENSOR FAILURE" DATE OF FAILURE AUGUST, 30 2004 APPROX 3000 MILES PURCHASE DATE: JUNE 2004 1.) I WAS TRAVELING ON MY 2004 YAMAHA ROADSTAR WARRIOR AT 65 MPH IN CONGESTED HIGHWAY CONDITIONS AT NIGHT PRIOR/DURING THE DURING THE COMPONENT (CRANK SHAFT POSITION SENSOR) FAILURE. 2.) DUE TO THE "CRANK SHAFT POSITION SENSOR FAILURE" THE MOTORCYCLE'S MOTOR STOPPED RUNNING, I THEN PULLED/ACTIVATED THE MOTORCYCLE'S CLUTCH TO ALLOW THE VEHICLE TO CONTINUED IT'S FORWARD MOVEMENT/MOMENTUM, ALLOWING ME TO COAST ACROSS THREE LANES OF +65 MPH HIGHWAY TRAFFIC TO REACH THE BREAKDOWN LANE. 3.) THE MOTORCYCLE HAD TO BE TOWED TO THE YAMAHA DEALER TO REPLACE THE CRANK SHAFT POSITION SENSOR YAMAHA P/N 5PX-81670-00-00 DIAGNOSTIC CODE 12. *NM

NHTSA ODI #10159218

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.