2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 48Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 48

CYLINDER, PISTON, AND RINGS Piston SkirtCylinder Clearance Cylinder Bore 0.060-0.073 mm (0.0024-0.0029 in 82.000-82.015 mm
in (2nd) 0.97-0.99 mm (0.0381-0.0389 in (max) 20.03 mm (0.789 in (min) 19.98 mm (0.787 in Valve GuideStem Clearance Piston
Ring Groove Width Valve GuideNalve (max) 0.35 mm (0.014 in Stem Deflection (wobble method) Valve Guide Inside Diameter Valve
Stem Outside Diameter 5.000-5.012 mm (0.1969-0.1973 in Piston Ring Thickness (intake) 4.975-4.990 mm (0.1959-0.1965 in (exhaust)
4.955-4.970 mm (0.1951-0.1957 in (max) 0.05 mm (0.002 in (max) 0.5 mm (0.02 in (max) 2.3 mm (0.09 in 0.9-1.1 mm (0.035-0.043
in (intake) 45 (exhaust) 45 (max) 0.03 mm (0.001 in (max) 38.8 mm (1.53 in (outer) 18.6-21.4 kg (41-47 Ib) Valve Stem Runout
Valve Head Thickness Valve Stem End Length Valve FaceSeat Width Valve Seat Angle Valve Face Radial Runout Valve Spring Free
Length Valve Spring Tension 31.5 mm (1.24 in Piston Pin Bore Piston Pin Outside Diameter CRANKSHAFT Connecting Rod (max)
20.04 mm (small end inside diameter) (0.7889 in Connecting Rod (big end side-to-side) Connecting Rod (big end width) Connecting