The defect
VEHICLE DESCRIPTION: MOTORCYCLES. THE FASTENERS HOLDING THE REAR DRIVE SPROCKET COULD COME LOOSE.
The risk
THE REAR SPROCKET COULD DROP OFF OR THE DRIVE CHAIN COULD COME OFF OR JAM, RESULTING IN A LOSS OF CONTROL OF THE VEHICLE.
The remedy
DEALERS WILL TIGHTEN THE SPROCKET SCREWS SUFFICIENTLY.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Aprilia RS 50 | 1999, 2000 |
Components: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Aprilia RS 50 | 1999 | 0 | 1 |
| Aprilia RS 50 | 2000 | 0 | 1 |
Other power train recalls in 1999
21 of the 392 recall campaigns reported to NHTSA in 1999 concerned the power train; APRILIA USA INC. filed 3 campaigns in all.
| 99V337000 3 Dec 1999 | KAWASAKI MOTORS CORP. |
| 99V320000 15 Nov 1999 | GENERAL MOTORS CORP. |
| 99V303000 1 Nov 1999 | PACCAR, INCORPORATED |
| 99V276000 12 Oct 1999 | FORD MOTOR COMPANY |
| 99V272000 7 Oct 1999 | BAYERISCHE MOTOREN WERKE |
| 99V249000 17 Sept 1999 | SUBARU OF AMERICA, INC. |
| 99V239000 27 Aug 1999 | GENERAL MOTORS CORP. |
| 99V227000 19 Aug 1999 | AMERICAN HONDA MOTOR CO. |
NHTSA recalls (public domain) · all recalls of 1999