Googlailin tässä joutessani hakusanalla "296/112/12.25/3.2" ja Enemin sivuilta löytyi heti:
296/105/13.0/4.4 ins
296 = Duration in crank shaft degrees. Specified where the acceleration of the Valve starts, normally 0,20 mm higher than the Tappet clearence.
105 = Angle between lobe centers.
13,0 = Valve lift at 0-clearence.
Value for valve opening at TDC (mm). For 2-valve single Cam engines always for the inlet valve. Tappet clearence shall be adjusted when measuring. If there are two Cams a second value must be used, normally for the Exhaust Cam and the value specify how much the Valve still have to close at TDC.
A general rule is, if the value is missing, it shall be 0,5 - 0.7 lower than the value for Inlet valve.
ins or avg indicates if it is an Inlet or Exhaust Cam. The same profile is common on both types of Cams.
ÖD = Piston in top.
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