Wiseco Pistons

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POWERSPORT

Honda®
ATV (2-Stroke)
Individual Pistons


Gaskets
Wiseco recommends replacing the Top End Gasket and
Bearing (if applicable) when replacing a piston.
Pistons are supplied with rings, wrist pins & circlips, unless noted otherwise View sample piston

  Models

  Kit Part #

Bore
x
Stroke

  
Displ.
  (cc)

  Bore
  Size
  (mm)

  Over
  Sizes
  (mm)

  Price

 ATC250R 1985  526M06600
 66
 246  66  STD $152.10  
 TRX250R 1986  526M06625
 x
 248  66.25  0.25 $152.10  
   526M06650
 72
 250  66.5  0.5 $152.10  
 PRO-LITE  526M06675
 
 252  66.75  0.75 $152.10  
 Liquid Cooled  526M06700
 
 254  67  1 $152.10  
   526M06725
 
 256  67.25  1.25 $167.40  
   526M06750
 
 258  67.5  1.5 $167.40  
   526M06800
 
 261  68  2 $167.40  
   526M06850
 
 265  68.5  2.5 $167.40  
   526M06900
 
 269  69  3 $167.40  
   526M06950
 
 273  69.5  3.5 $167.40  
Purchase Top End
Bearing:

B1003
 TRX250R 1987-89  562M06600
 66
 246  66  STD $152.10  
   562M06625
 x
 248  66.25  0.25 $152.10  
 PRO-LITE  562M06650
 72
 250  66.5  0.5 $152.10  
 Bridged Intake  562M06675
 
 252  66.75  0.75 $152.10  
 Four Trax  562M06700
 
 254  67  1 $152.10  
 Liquid Cooled  562M06725
 
 256  67.25  1.25 $167.40  
   562M06750
 
 258  67.5  1.5 $167.40  
   562M06800
 
 261  68  2 $167.40  
Purchase Top End
Bearing:

B1003
Replacement ring style is stamped on piston dome - ie. "C" for XC, "G" for XG and "H" for XH