2006 Arctic Cat DVX 400 Service Manual, Page 34Get this manual
Specifications VALVES AND GUIDES
Valve Face Diameter ValveTappet Clearance (cold engine) (intake) (exhaust) (intake) (exhaust) Valve GuideStem Clearance (intake) (exhaust) 36 mm (1.4 in 29 mm (1.1 in 0.10-0.20 mm (0.0039-0.0078 in 0.20-0.30 mm (0.0078-0.0118 in 0.010-0.037 mm (0.0004-0.0015 in 0.030-0.057 mm (0.0012-0.0024 in 0.35 mm (0.014 in 5.000-5.012 mm (0.1968-0.1973 in 4.975-4.990 mm (0.1959-0.1965 in 4.955-4.970 mm (0.1951-0.1957 in 0.05 mm (0.002 in 0.5 mm (0.02 in 0.9-1.1 mm (0.035-0.043 in 45 45 0.03 mm (0.001 in 38.8 mm (1.53 in 18.6-21.4 kg (41.0-47.2 lb) 36.020 mm (1.418 in 34.900 mm (1.374 in 0.15 mm (0.0059 in 22.012-22.025 mm (0.8666-0.8671 in 21.972-21.993 mm (0.8650-0.8658 in 0.10 mm (0.004 in 0.05 mm (0.002 in 0.05 mm (0.002 in
CYLINDER, PISTON, AND RINGS
Piston SkirtCylinder Clearance (max) 0.12 mm (0.0047 in Cylinder Bore (max) 90.015 mm (3.544 in Piston Diameter 89.965-89.950 mm 15 mm (0.60 in from Skirt End (3.5419-3.5425 in Bore Stroke 90.0 62.6 mm (3.54 2.46 in Compression Ratio 11.3:1 Cylinder Trueness (max) 0.05 mm (0.002 in Piston Ring End Gap 0.08-0.20 mm Installed (both) (0.003-0.008 in Piston Ring to Groove (1st) 0.180 mm (0.0071 in Clearance (max) (2nd) 0.150 mm (0.0059 in Piston Ring Groove (1st) 0.78-0.80 mm Width (0.0307-0.0315 in (2nd) 1.30-1.32 mm (0.0319-0.0327 in (oil) 2.01-2.03 mm (0.079-0.080 in Piston Ring Thickness (1st) 1.08-1.10 mm (0.0425-0.0433 in (2nd) 0.77-0.79 mm (0.0303-0.0311 in Piston-Pin Bore 20.002-20.008 mm (0.7875-0.7877 in Piston-Pin Outside Diameter 19.995-20.000 mm (0.7872-0.7874 in