2007 Arctic Cat Four-Stroke Factory Service Manual, Page 14Get this manual
Engine Specifications (660 cc Non-Turbo)
Cam Lobe Height (Int) Cam Lobe Height (Exh) Camshaft Journal (O.D Camshaft Journal Bore (Dia) Camshaft Journal Clearance Camshaft Runout (Max) Crank Pin (Dia) Crankshaft Bearing Clearance Crankshaft Rod Journal (Out-of-RoundTaper) Crankshaft Thrust Bearings (Thickness) Crankshaft Thrust Runout Crankshaft Main Journal (Out-of-Round) Cylinder Bore Diameter (Max) Cylinder Head Distortion (Max) Manifold Distortion (Max) Piston Diameter (19 mm up from skirt perpendicular to pin) Piston SkirtCylinder Clearance Piston Connecting Rod Small End Bore Piston PinConnecting Rod Small End Clearance Piston Pin Bore In Piston Piston Pin (Dia) Piston Ring GrooveRing Clearance 38.03-38.19 mm (1.497-1.504 in 38.24-38.40 mm (1.506-1.512 in 22.934-22.955 mm (0.9029-0.9037 in 23.000-23.021 mm (0.9055-0.9063 in 0.045-0.087 mm (0.0018-0.0034 in 0.10 mm (0.0039 in 37.982-38.000 mm (1.4954-1.4961 in 0.020-0.040 mm (0.0008-0.0016 in 0.010 mm (0.0004 in 2.50 mm (0.0984 in 0.11-0.31 mm (0.0043-0.0122 in 0.010 mm (0.0004 in 68.020 mm (2.6779 in 0.030 mm (0.001 in 0.050 mm (0.002 in 67.970-67.990 mm (2.6760-2.6768 in 0.02-0.04 mm (0.0008-0.0016 in 18.003-18.013 mm (0.7088-0.7092 in 0.003-0.018 mm (0.0001-0.0007 in 18.006-18.014 mm (0.7089-0.7092 in 17.995-18.000 mm (0.7085-0.7087 in (1st) 0.03-0.07 mm (0.0012-0.0028 in (2nd) 0.02-0.06 mm (0.0008-0.0024 in (Oil) 0.06-0.15 mm (0.0024-0.0059 in 5.500-5.512 mm (0.2165-0.2170 in Valve StemGuide Clearance Valve Stem Diameter Valve Seat Width Valve Lash Clearance Cold (59-77 F)