It looks like you're providing specifications for a Wossner piston kit designed for a Honda CRM 250 from 1989 to 2000. Here's a breakdown of the information you provided:

• Piston Kit: Wossner 8071DC, with a 66.02mm bore (+0.02mm)


• Application: Honda CRM 250, manufactured between 1989 and 2000


• Features:
  
  
  
  • Wossner forged pistons, known for superior strength and design
  
  
  • Engineered for efficient combustion chamber heat transfer to cylinder walls
  
  
  • Elliptical design for a more uniform bearing surface under piston heat expansion, preventing collapse
  
  
  
  


• Manufacturing: Made in Germany


• Additional Parts:
  
  
  
  • Lock: CW19
  
  
  • Pin: WP044
  
  
  • Ring Set: RSB6600 (x2)
  
  
  
  


• Specifications:
  
  
  
  • Displacement: 249 cm³
  
  
  • Hub Stroke: 72.00mm
  
  
  • Clearance: 0.06mm
  
  
  • Compression Ratio: Wossner (not specified), OEM (not specified)
  
  
  • Dome Volume: Not provided
  
  
  • Compression Height: 38.00mm
  
  
  • Theoretical Weight: Not provide