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2003 YAMAHA YAMAHA — POWER TRAIN:MANUAL TRANSMISSION

crash1 injured · 676461 · 2008-07-02

Vehicle

Make
YAMAHA
Model
YAMAHA
Year
2003
Manufacturer
Yamaha Motor Corporation, USA
Component
POWER TRAIN:MANUAL TRANSMISSION
Miles at failure
4,000
Speed
50 mph

Severity

Deaths
0
Injured
1
Fire
No
Crash
Yes
Police report
No
Medical attention
No
Vehicle towed
No

Narrative

1. THE MOTORCYCLE, SINCE SHORTLY AFTER I PURCHASED IT NEW, HAD A QUIRKY CLUTCH THAT WOULD SOMETIMES ENGAGE AND DISENGAGE UNPREDICTABLY. IT WAS ADJUSTED AT INITIAL 600 MILE SERVICE AND WAS TOLD BY THE DEALER THAT THIS WAS NORMAL BEHAVIOR FOR THE CLUTCH. 2. THE CLUTCH WOULD BE MOSTLY ENGAGED WHEN THE ENGINE WAS COLD AND IN GEAR. ALLOWING THE ENGINE TO WARM WITH THE TRANSMISSION IN NEUTRAL ALLEVIATED THIS. TWICE THE CLUTCH FAILED TO DISENGAGE. THE FIRST RESULTED IN A SKID AND THE SECOND RESULTED IN A CRASH. 3. AN UNIDENTIFIED PART WAS FOUND IN THE CLUTCH BASKET OF THE MOTORCYCLE. IT WAS STEEL, APPROXIMATELY 0.5" IN DIAMETER, ROUNDED, AND WITH A LIP AT THE EDGE. THIS PART WAS NOT SHOWN ON ANY EXPLODED DIAGRAMS, SO IT WAS REMOVED. THE CLUTCH PLATES SHOW SIGNS OF WARPAGE, AND NEED TO BE REPLACED. THE CLUTCH BASKET SHOWS SIGNS OF DAMAGE, AND NEEDS TO BE REPLACED. PARTS DAMAGED IN THE CRASH NEED TO BE REPLACED. *TR

Source

Authoritative
NHTSA ODI Flat-File Downloads
ODI Number
10233016
Machine
JSON-LD · Markdown