Specifications

°
7
You must repeat this operation till you reach the recommended camshaft
position. This is a method by iteration.
2mm dow n
Before
maximum lift
Maximum
lift
2mm dow n
After
maximum lift
Stage 1
Measurement of the original
camshaft position
115°
Stage 2
Second measurement after
modifying camshaft position
108°
Stage 3
Third measurement after modifying
camshaft position
169°
111°
53°
Stage 4
Fourth measurement after
modifying camshaft position
168°
110°
54°
The angle indicated above are an example. You may measure different values
Angle in
Degree on the
disc
Valve position
Following several camshaft positions
the recommended target is reached
 Measurement of valve to piston clearance
Once the camshaft has reached the event angle target, you must control the
clearance from the valve to piston. On exhaust side, the minimum distance from
valve to piston is situated at 10 degrees before TDC.