Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.
Features
- In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
- 4-stroke pistons are made using a double-bridged forging design
- Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
- All pistons include piston, ring, wrist pin and pin locks
- Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
- Made in Germany
Specifications
- Piston Size: 66.33mm
- Oversize: Standard
- Number of Rings: 2
- Replacement Rings: RSB6640
- Replacement Wrist Pin: WP033
- Replacement Circlip: CW18
NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.
          
            
1997 GasGas EC250
            
          
            
1998 GasGas EC250
            
          
            
1999 GasGas EC250
            
          
            
1999 GasGas MC250
            
          
            
2000 GasGas EC250
            
          
            
2000 GasGas MC250 (WP)
            
          
            
2001 GasGas EC250
            
          
            
2001 GasGas MC250 (WP)
            
          
            
2002 GasGas EC250
            
          
            
2002 GasGas MC250 (WP)
            
          
            
2003 GasGas EC250
            
          
            
2003 GasGas MC250 (WP)
            
          
            
2003 GasGas SM250
            
          
            
2004 GasGas EC250
            
          
            
2004 GasGas MC250
            
          
            
2004 GasGas SM250
            
          
            
2005 GasGas EC250
            
          
            
2005 GasGas MC250
            
          
            
2005 GasGas SM250
            
          
            
2006 GasGas EC250
            
          
            
2006 GasGas MC250
            
          
            
2007 GasGas EC250
            
          
            
2007 GasGas MC250
            
          
            
2008 GasGas EC250
            
          
            
2008 GasGas MC250
            
          
            
2009 GasGas EC250
            
          
            
2009 GasGas MC250
            
          
            
2010 GasGas EC250
            
          
            
2011 GasGas EC250
            
          
            
2012 GasGas EC250
            
          
            
2013 GasGas EC250
            
          
            
2014 GasGas EC250
            
          
            
          
            
          
        
Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.
Features
- In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
- 4-stroke pistons are made using a double-bridged forging design
- Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
- All pistons include piston, ring, wrist pin and pin locks
- Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
- Made in Germany
Specifications
- Piston Size: 66.33mm
- Oversize: Standard
- Number of Rings: 2
- Replacement Rings: RSB6640
- Replacement Wrist Pin: WP033
- Replacement Circlip: CW18
NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.
          
            
1997 GasGas EC250
            
          
            
1998 GasGas EC250
            
          
            
1999 GasGas EC250
            
          
            
1999 GasGas MC250
            
          
            
2000 GasGas EC250
            
          
            
2000 GasGas MC250 (WP)
            
          
            
2001 GasGas EC250
            
          
            
2001 GasGas MC250 (WP)
            
          
            
2002 GasGas EC250
            
          
            
2002 GasGas MC250 (WP)
            
          
            
2003 GasGas EC250
            
          
            
2003 GasGas MC250 (WP)
            
          
            
2003 GasGas SM250
            
          
            
2004 GasGas EC250
            
          
            
2004 GasGas MC250
            
          
            
2004 GasGas SM250
            
          
            
2005 GasGas EC250
            
          
            
2005 GasGas MC250
            
          
            
2005 GasGas SM250
            
          
            
2006 GasGas EC250
            
          
            
2006 GasGas MC250
            
          
            
2007 GasGas EC250
            
          
            
2007 GasGas MC250
            
          
            
2008 GasGas EC250
            
          
            
2008 GasGas MC250
            
          
            
2009 GasGas EC250
            
          
            
2009 GasGas MC250
            
          
            
2010 GasGas EC250
            
          
            
2011 GasGas EC250
            
          
            
2012 GasGas EC250
            
          
            
2013 GasGas EC250
            
          
            
2014 GasGas EC250
            
          
            
          
            
          
        
 
   
   
  