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




