Quality replacement cylinder sleeves give old cylinders new life
CYLINDER TYPE COLUMN EXPLANATIONS
AC
Original cylinder bore is alloy-chrome plated, nikasil, or electrofused; cylinder must be bored to accept new sleeve
CS
Original barrel has a cast-in iron liner in the cylinder; liner must be bored out completely (do not try to push out the cast-in liner)
RS
Original barrel has a replacement sleeve
CC- Original barrel is cast iron; cylinder must be bored to accept new sleeve
Video presentation for cylinder sleeve xr400r