FITS: 

  XR250R 1986-2004

  XR250L 1988 & LATER

BORE KIT 277cc

77mm Forged Piston, 10.5:1 Compression.

This kit provides a great increase in overall power for the XR250. Torque increase is very noticeable, and makes the XR a much more effective woods weapon. 291cc when used with our stroker crank.

INCLUDES: Piston, pin, rings, circlips, headgasket.

REQUIRES: Cylinder boring, rejetting.

00288 H BORE KIT 77MM -- $225.00

FITS: 

  XR250 1984-1987  

  XL250 1984-1987

BORE KIT 262cc

77mm Forged Piston, 10.5:1 Compression.

This kit provides a great increase in overall power for the 250. Torque increase is very noticeable, and makes the  XR/XL a much more effective woods weapon.

INCLUDES: Piston, pin, rings, circlips, headgasket.

REQUIRES: Cylinder boring, rejetting.

00288 H BORE KIT 77MM -- $225.00

FITS: 

  XR250R 1996-2004

STROKER 3.1mm

Make your XR250 feel like a 400 with our 77mm piston and this stroker crank. Extremely torquey, smooth wheelie-producing power. Very reliable.

INCLUDES: Work done on your crank.

REQUIRES: Send in your crank for modification.  Download our Stroker Booklet for details.

RECOMMENDATIONS: Works best with Powroll pistons (other brands may need modification).

16096 H STROKE XR250 3.1MM -- $290.00