This is ready to use. Can ship today. 

There are some chips and slight bends in some of the cooling fins, One lower cooling fin is broken. There is a small crack in the cam chain tensioner adjuster hole, it will not leak oil. 

Cylinder has a new bore with a matching OEM + .50 mm Piston kit. 
Comes with complete top end gasket set. 

This is in great condition for a daily driver. 

This will work on: 
- 2004 to 2013 CRF100 / CRF100F 
- 2006 NSF100 
- 2001 to 2003 XR100 / XR100R 




An 80$ core charge has been included in price. That core charge will be refunded automatically back onto your original method of payment upon receipt of your core cylinder. 
  • Please keep in mind that your core refund can vary depending on the condition of your core cylinders.  
  • Broken skirts, cracks into the water jacket, ports, or cylinder wall & O-ring groove damage are some of the reasons that you would not receive a full refund. 
  • Refunds can be significantly less than the total core refund.