NHTSA Recall 04V137000: Master cylinder (service brakes)
BIG DOG MOTORCYCLES, LLC reported this safety recall to NHTSA on , covering an estimated 1,906 vehicles. It affects 7 models including the Bigdog Boxer.
| NHTSA campaign | 04V137000 |
|---|---|
| Component | SERVICE BRAKES, HYDRAULIC › FOUNDATION COMPONENTS › MASTER CYLINDER |
| Report received | March 23, 2004 |
| Owner notification | April 12, 2004 |
| Initiated by | Manufacturer |
Defect
On certain motorcycles, the piston in the rear master cylinder may have been improperly sized, which could cause the rear brakes to drag or lockup.
Safety risk
This could result in a crash.
Remedy
Dealers will remove the piston from the rear master cylinder and replace it with a new piston. Owner notification began on april 12, 2004. Owners should contact big dog at 1-316-267-9121.
Notes
Customers can also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-DOT (1-888-327-4236).
Vehicles covered by recall 04V137000
| Make and model | Model years |
|---|---|
| Bigdog Boxer | 2004 |
| Bigdog Bulldog | 2004 |
| Bigdog Chopper | 2004 |
| Bigdog Daytec Chopper | 2004 |
| Bigdog Mastiff | 2004 |
| Bigdog Pitbull | 2004 |
| Bigdog Ridgeback | 2004 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.