# 2006 YAMAHA YZF-R1 — ENGINE AND ENGINE COOLING
> NHTSA complaint `627173` · 2007-06-13 · Yamaha Motor Corporation, USA
## Severity
- **Deaths:** 0
- **Injured:** 3
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** YAMAHA
- **Model:** YZF-R1
- **Year:** 2006
- **Manufacturer:** Yamaha Motor Corporation, USA
- **Component:** ENGINE AND ENGINE COOLING
- **Speed:** 25 mph
## Narrative
HAD A LEAK FROM THE ENGINE ON  THE  MOTORCYCLE YAMAHA R1.  TOOK IT TO THE SHOP AND HAD  REPAIRS DONE.  THEY DID NOT SAY WHAT THE PROBLEM WAS BUT FIXED IT.  SOMETHING ON THE LEFT SIDE OF THE ENGINE.  THIS WAS DONE A COUPLE OF MONTH EARLIER.  NOW WHILE RIDING THE OIL STARTED POURING OUT OF THE ENGINE, AND TWO RIDERS BEHIND ME ACTUALLY FELL AND SUSTAINED MINOR INJURIES.  WHEN INVESTIGATING THE LEAK TWO HUGE HOLES WERE FOUND IN THE ENGINE COMPARTMENT.  ONE JUST IN FRONT OF WHERE THE CHAIN  WENT AROUND THE SPROCKET.  AT FIRST I THOUGHT  THAT MAYBE THE CHAIN  CAME  LOOSE, BUT IT WOULD NOT EVEN REACH THAT FAR.  THEN,  I NOTICED A HUGE HOLE IN THE FRONT OF THE ENGINE, ALMOST LIKE SOMETHING INSIDE CAME APART AND WENT AROUND WITH SUCH FORCE THAT IT RIPPED  THE TWO LARGE HOLES IN THE ENGINE CASING.  NOTHING HAS BEEN DONE THUS FAR.  AM LOOKING AT HOW TO GET THIS REVIEWED OBJECTIVELY SO THAT SOMEONE COULD DETERMINE HOW TO KEEP OTHERS FROM HAVING THIS HAPPEN TO THEM.*AK
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*