2004 Yamaha Yzf-R1: Reliability Data

Source: NHTSA — 43 complaints
43
Total Complaints
7,400mi
Median Mileage
Electrical System
Top Issue
6
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

3,150 25th Percentile
7,400 Median Mileage
10,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Electrical System
17
Engine And Engine Cooling
5
Vehicle Speed Control
4
Fuel Injection System
4
Unknown Or Other
3
Engine
2
Carburetor System
1
Tires
1
Module
1
Delivery
1

Severity Assessment

6
Crashes
0
Fires
6
Injuries
0
Deaths

Sample Complaint Reports

"WHILE RIDING AT 70 MPH MOTORCYCLE LOST CONSIDERABLE POWER AND STARTED TICKING LOUDLY. CONSUMER EXAMINED THE MOTORCYCLE BUT COULD FIND THE CAUSE OF THE PROBLEM. DEALER INSPECTED THE VEHICLE AND FOUND THAT THE ENGINE BLEW OUT. THEN, CONSUMER DISCOVERED THAT BEFORE THE MOTORCYCLE WAS BOUGHT MOTOR..."
"I RECENTLY PURCHASED YAMAHA'S NEW 125 VINO SCOOTER AND AFTER ONLY 400 MILES AT RATED SPEED OF 50 MPH (FASTER THAN MOST SCOOTERS), WITH NORMAL DRIVING, I WAS THROWN AND HIT THE PAVEMENT MAKING DOG MEAT OF MY BODY. I SUSPECT THE SMALL FRONT TIRE DESIGN AT HIGH SPEEDS IS A DEATH TRAP. CAN SUPPLY MORE..."
"MY SON WAS RIDING A 2004 YAMAHA YZ250F MOTOCROSS MOTORCYCLE ON 1/7/05 WHEN ON HIS APPROACH TO A JUMP HIS MOTOR QUIT RUNNING. THE CARBURETOR POPPED OUT OF ITS MOUNTING [INTAKE BOOT]. THE CONSEQUENCE WAS THAT AS MY SON WAS COMMITTED TO CLEARING THE JUMP. THE YAMAHA LOST POWER, AND HE CRASHED INTO THE ..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Electrical System 17 complaints
25th: 3,200 mi Median: 7,000 mi 75th: 10,100 mi
Engine And Engine Cooling 5 complaints
25th: 4,500 mi Median: 6,400 mi 75th: 8,350 mi
Vehicle Speed Control 4 complaints
Median: 10,000 mi
Fuel Injection System 4 complaints
25th: 6,525 mi Median: 8,750 mi 75th: 9,680 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 11 VA: 4 IL: 4 FL: 3 TX: 2 PA: 2 MD: 2 MN: 2 MI: 2 OK: 2

Who Files Complaints?

60.5%
Original Owners
39.5%
Second+ Owners

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28