Technical data

10
Specifications
Valve mechanism
Valve guides
Inner diameter (reamed in position) ...................... 7.450-7.463 mm
Outer diameter ....................................................... 12.04-12.06 mm
Valve guide interference in cylinder head ............. 0.04-0.08 mm
Intake valves
Valve stem diameter.............................................. 7.41-7.42 mm
Clearance valve stem – valve guide ..................... 0.03-0.05 mm
Maximum permitted clearance valve stem
– valve guide..................................................... 0.13 mm
Valve crown diameter ............................................ 37.10-37.25 mm
Valve contact angle ............................................... 44° 30´ (91° total angle)
Total length ............................................................ 93.72 - 93.97 mm
Sealing equipment.................................................. Rubber seal installed on the valve guide.
Valve crown depth position under cylinder head face
MD22L, MD22, TMD22 ..................................... 0.90-1.24 mm
TMD22P, TAMD22 ............................................ 0.25-0.59 mm
Exhaust valves
Valve stem diameter.............................................. 7.39-7.41 mm
Clearance valve stem – valve guide ..................... 0.04-0.07 mm
Maximum permitted clearance valve stem
– valve guide..................................................... 0.13 mm
Valve crown diameter ............................................ 33.55-33.70 mm
Valve contact angle ............................................... 44° 30´ (91° total angle)
Total length ............................................................ 93.72- 93.97 mm
Sealing equipment.................................................. Rubber seal installed on the valve guide.
Valve crown depth position under cylinder head face
MD22L, MD22, TMD22 ..................................... 1.30-1.64 mm
TMD22P, TAMD22 ............................................ 0.65-0.91 mm
Valve springs
Installed length....................................................... 34.7 mm
Spring loading when installed ................................ 198 N
Number of active spring coils ................................ 4.5
Number of damper coils ........................................ 0
Direction of winding ............................................... Left
Color coding ........................................................... Orange
Valve lifters and shims
Material .................................................................. Steel
Outer diameter of valve lifter ................................. 31.725-31.745 mm
Valve lifter clearance in cylinder head .................. 0.005-0.050 mm
Thickness of the head of the valve lifter ............... 6.85-6.93 mm
Total length ............................................................ 25.7-26.3 mm
Thickness of shims................................................ Series of shims from 2.286 mm to 3.400 mm