Position the tool 88765.1518 on the cylinder head: the part marked “A” should be on the intake side and the part marked “S” should be on the exhaust side.
Install tool 88765.1188 (G) in the spark plug bore to determine the piston TDC, the gauges (H) on the tool 88765.1518 and the timing check tool (degree wheel (L) 88713.0123 with graduated disk).