# 1998 MOTO GUZZI SPECIAL — SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE
> NHTSA complaint `363012` · 2002-07-16 · Moto Guzzi North America
## Severity
- **Deaths:** 0
- **Injured:** 1
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** MOTO GUZZI
- **Model:** SPECIAL
- **Year:** 1998
- **Manufacturer:** Moto Guzzi North America
- **Component:** SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE
- **Speed:** 35 mph
## Narrative
THE SPRING IS MISSING ON THE PROPORTIONAL VALVE IN THE BRAKE SYSTEM ,CAUSING A FRONT WHEEL LOCK UP. I BELIEVE THIS RESULTED IN TWO ACCIDENTS. ONE ON 12/1/01 AND ONE ON 7/5/02. MYSELF AND MY MACHINE SUSTAINED CONSIDERABLE DAMAGE.*AK
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*