2008-2010 Kawasaki KFX450R Factory Service Manual, Page 168Get this manual
ENGINE TOP END 5-7 Specifications
Item Inlet Outer Inner Cylinder and Pistons Cylinder Inside Diameter Piston Diameter PistonCylinder Clearance Piston RingRing Groove Clearance: Top Second Piston Ring Groove Width: Top Second Piston Ring Thickness: Top Second Piston Ring End Gap: Top Second Oil Piston Pin Diameter Piston Pin Hole Diameter Connecting Rod Small End Inside Diameter TIR: Total Indicator ReadingsStandard 39.28 mm (1.546 in 36.05 mm (1.419 in 96.000 96.012 mm (3.7795 3.7800 in 95.964 95.979 mm (3.7781 3.7787 in 0.021 0.048 mm (0.00083 0.0019 in Service Limit 37.8 mm (1.49 in 34.5 mm (1.36 in 96.10 mm (3.783 in 95.81 mm (3.772 in