2002 Yamaha Yamaha: Reliability Data

Source: NHTSA — 62 complaints
62
Total Complaints
4,400mi
Median Mileage
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Top Issue
5
Crash Reports

When Do Complaints Happen?

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

900 25th Percentile
4,400 Median Mileage
6,905 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM:12V/24V/48V BATTERY
14
ELECTRICAL SYSTEM:STARTER ASSEMBLY
9
POWER TRAIN:MANUAL TRANSMISSION
8
TIRES
5
SUSPENSION:REAR
4
FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM
3
POWER TRAIN:CLUTCH ASSEMBLY
2
FUEL SYSTEM, GASOLINE
2
SUSPENSION:REAR:SHOCK ABSORBER
2
POWER TRAIN:DRIVELINE
2

Severity Assessment

5
Crashes
1
Fires
6
Injuries
0
Deaths

Sample Complaint Reports

"THIS ATV WILL BOIL THE GAS IN THE CARBURATOR AND GAS TANK. THIS CAUSES GAS TO COME OUT OF THE CARBURATOR VENT TUBE AND DRIP ONTO FLOORBOARDS. BOILING GAS IN THE CARBURATOR CAN ALSO CAUSE A VAPOR LOCK CONDITION WHICH IS COULD CAUSE A LOSS OF POWER AT A VERY DANGEROUS MOMENT SUCH AS CLIMBING A STEEP H..."
"MY YAMAHA GRIZLLY AS WELL AS MANY OTHERS HAVE BEEN EXPERIENCING FUEL BOILING AND VAPOR LOCK. THE MFGR HAS STATED THAT IT IS A GAS ISSUE. HARD TO BELIEVE SINCE IT IS HAPPENING ACROSS MANY STATES. I CAN BE SEVERELY INJURED IF IT VAPOR LOCKS WHILE CLIMBING A HILL AND STALLING. MAJOR SAFETY ISSUE"
"FRONT BRAKE IS CURENTLY DAMAGING THE DISK. & COST IS UNKNOWN. DUE TO METAL TO METAL CONTACT, STOPPING IN WET OR DRY WEATHER IS EXTREAMLEY DIFFICULT.*AK"

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

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