March 5, 2009
Release # 09-142
Firm's Recall Hotline: (800) 321-1364

WASHINGTON, D.C. - The U.S. Consumer Product Safety Commission, in cooperation with the firm named below, today announced a voluntary recall of the following consumer product. Consumers should stop using recalled products immediately unless otherwise instructed. It is illegal to resell or attempt to resell a recalled consumer product.

Name of product: Off-Road Dirt Bike Connecting Rods or Crankshaft Assemblies

Units: About 420

Importer: Wiseco Performance Products, of Mentor, Ohio

Hazard: Engine stress could cause the connecting rods to crack and the engine to lock up, posing a crash hazard.

Incidents/Injuries: None reported.

Description: This recall involves the following connecting rods and crankshaft assemblies used in off-road dirt bike engines. Wiseco's identification number can be found on the neck of the connecting rods between the two circular ends. The part number and date code can be found on the product's packaging.

Identification Number
(on engine part)
Part Number
(on packaging)
Part TypeDates Sold
WR10082 WPC139 YZ450F Crank Assembly 02/20/08 - 12/15/08
WR10081 WPC140 YZ250F Crank Assembly 03/03/08 - 12/15/08
WR10081 WPC141 WR250F Crank Assembly 03/01/07 - 12/15/08
WR10086 WPC144 KX250F/RMZ250 Crank Assembly 08/20/08 - 12/15/08
WR10082 WPC145 WR450F Crank Assembly 08/08/08 - 12/15/08
WR10081 WPR196 YZ/WR250F Connecting Rod 07/01/07 - 12/15/08
WR10082 WPR197 YZ/WR450F Connecting Rod 01/20/08 - 12/15/08

Sold at: Off-road dirt bike distributors nationwide and directly to consumers at from March 2007 through December 2008 for about $130 for the connecting rods and between $240 and $300 for the crankshaft assemblies.

Manufactured in: China

Remedy: Consumers should stop using off-road bikes on which the recalled connecting rods and crankshaft assemblies were installed and immediately contact Wiseco for free replacement parts and repair, or a full refund if the consumer has already replaced the recalled engine parts.

Contact: For additional information, contact Wiseco at (800) 321-1364 between 8 a.m. and 5 p.m. ET Monday through Thursday, and between 8 a.m. and 4 p.m. ET on Friday, visit the firm's Web site at, or email the firm at


Picture of Recalled Off-Road Dirt Bike Connecting Rods or Crankshaft Assemblies

Picture of Recalled Off-Road Dirt Bike Connecting Rods or Crankshaft Assemblies

Picture of Part Number and Date Code on Product's Packaging