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POWERSPORT
Racer® 125cc • Flat Top Conversion
Individual Pistons
Racer's Preference View sample piston  
Pistons are supplied with rings, wrist pins & circlips, unless noted otherwise

  Models

  Kit Part #

Bore
x
Stroke

  
Displ.
  (cc)

  Bore
  Size
  (mm)

  Over
  Sizes
  (mm)

  Price

125cc • Flat Top Conversion
• Factory Racing design allows the engine builder to switch an engine from a “DOMED” style piston to a “Flat Top”.

• Sold complete with rings, wrist pin and circlips.

• HEAD MODIFICATION REQUIRED
 Kawasaki KX125 1995-04  755M05400
 54 x 54.5
 125  54  STD  $127.80  
 • Head modification required.  755M05600
 
 134  56  2  $148.50  
 • No intake window.  
 
         
 • Pinned on centerline.  
 
         

Top End Bearing
sold separately:

B1013
 Suzuki RM125 1990-03  755M05400
 54 x 54.5
 125  54  STD  $127.80  
 • Head modification required.  755M05600
 
 134  56  2  $148.50  
 • No intake window.  
 
         
 • Pinned on centerline.  
 
         

Top End Bearing
sold separately:

B1013
 Yamaha YZ125 1997-01  707M05400
 54 x 54.5
 125  54  STD  $95.40  
 • Head modification required.  
 
         
 • No intake window.  
 
         
 • Flat Top Conversion.  
 
         
 Yamaha YZ125 1997-04  762M05400
 54 x 54.5
 125  54  STD  $129.60  
 • Head modification required.  
 
         
 • No intake window.  
 
         
 • Flat Top Conversion.  
 
         
Replacement ring style is stamped on piston dome - ie. "C" for XC, "G" for XG and "H" for XH