2007 Arctic Cat DVX/Utility 250 ATV Service Manual, Page 53Get this manual
Measuring Piston Skirt Cylinder Clearance
1Measure the cylinder front to back in six places
726-306A
! CAUTION
Incorrect installation of the piston rings will result in engine damage
2Measure the corresponding piston diameter at point 15 mm (0.6 in above the piston skirt at right angle to the piston-pin boreSubtract this measurement from the measurement in step 1The difference (clearance) must be within specificationsInstalling Piston Rings
CYLINDER ASSEMBLY