2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 40Get this manual
Specifications (H1 Models)
VALVES AND GUIDES
Valve Face Diameter ValveTappet Clearance (cold engine) Valve GuideStem Clearance (intake) 31.6 mm (1.24 in (exhaust) 27.9 mm (1.10 in (intake) 0.1016 mm (0.004 in (exhaust) 0.1524 mm (0.006 in (intakeexhaust) 0.013 mm (0.0005 in (max) 0.35 mm (0.014 in
5.000-5.012 mm (0.1969-0.1973 in
CYLINDER, PISTON, AND RINGS
Piston SkirtCylinder Clearance Piston Diameter 15 mm (0.6 in from Skirt End (650) Piston Diameter 12 mm (0.47 in from Skirt End (700) Piston Ring Free End Gap Bore Stroke 0.045 mm (0.0018 in 97.948-97.962 mm (3.856-3.857 in 101.930-101.949 mm (4.013-4.014 in 98 85 mm (3.86 3.35 in650 102 82 mm (4.01 3.22 in700 (max) 0.01 mm (0.004 in 0.36 mm (0.014 in (1st2nd) 0.03 mm (0.0012 in (1st2nd) 1.202-1.204 mm (0.0473-0.0474 in (oil) 2.01-2.03 mm (0.0791-0.0799 in (1st2nd) 1.970-1.990 mm (0.0776-0.0783 in (max) 23.0 mm (0.9055 in (min) 22.99 mm (0.9051 in
Valve GuideValve Stem Deflection (wobble method) Valve Guide Inside Diameter Valve Stem Outside Diameter Valve Stem Runout Valve Head Thickness Valve Stem End Length Valve FaceSeat Width Valve Seat Angle