KRYOTEC ENGINE 5 VALVE SEATS Outer diameter-intake valve seats (mm) 29.600 ÷ 29.611 Outer diameter-exhaust valve seats (mm) 26.100 ÷ 26.111 Valve seat angle in contact with valve 45° 30’ +/- 1° PINS Diameter of seat pin (mm) 29.985 ÷ 29.990 Pin outer diameter (mm) 29.975 ÷ 29.980 PISTON RINGS Light 1^ seal ring compression cylinders (mm) 0.20 ÷ 0.35 Light 2^ seal ring compression cylinders (mm) 0.60 ÷ 0.80 Light scraper ring piston engine (mm) 0.25 ÷ 0.50 Clearance of axial engine piston scraper ring (mm) 0.030 ÷ 0.070 Thickness 1^ seal ring compression cylinders (mm) 1.470 ÷ 1.495 Thickness 2^ seal ring compression cylinders (mm) 1.470 ÷ 1.495 Thickness 3^ seal ring compression cylinders (mm) 1.970 ÷ 1.990 Seat seal on the piston - 1st slot (mm) 1.620 ÷ 1.640 Seat seal on the piston - 2nd slot (mm) 1.550 ÷ 1.570 Seat seal on the piston - 3rd slot (mm) 2.020 ÷ 2.040 Axial 1^ seal ring compression cylinders (mm) 0.125 ÷ 0.170 Axial 2^ seal ring compression cylinders (mm) 0.055 ÷ 0.100 PISTONS Outside diameter pistons - Class A (mm) 82.930 ÷ 82.940 Outside diameter pistons - Class B (mm) 82.940 ÷ 82.950 Outside diameter pistons - Class C (mm) 82.950 ÷ 82.960 Difference of weight allowed between pistons (g) +/- 5 Increase piston outer diameter (mm) 0.1 CONNECTING RODS Difference of weight allowed between the complete connecting rods (g) +/- 2.5 Inner Diameter small end of bushings (mm) 30.006 ÷ 30.014 Inner Diameter big end of bushings (mm) 53.897 ÷ 53.909 CAMSHAFTS Nominal intake camshaft lift (mm) 8.5 Nominal exhaust camshaft lift (mm) 8 Diameter First pin timing shaft (mm) 43.600 ÷ 43.615 Diameter Second pin timing shaft (mm) 43.400 ÷ 43.415 Diameter Third pin timing shaft (mm) 43.200 ÷ 43.215 Diameter Fourth pin timing shaft (mm) 43.000 ÷ 43.015 Diameter Fifth pin timing shaft (mm) 30.000 ÷ 30.015 Diameter first timing shaft support (mm) 43.646 ÷ 43.671 Diameter second timing shaft support (mm) 43.446 ÷ 43.471 Diameter third timing shaft support (mm) 43.246 ÷ 43.271 Diameter fourth timing shaft support (mm) 43.046 ÷ 43.071 Diameter fifth timing shaft support (mm) 30.045 ÷ 30.070
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