Service Limit: In/Ex - Sachs Bikes MadAss Reparaturanleitung

CYLINDER HEAD / VALVES
Rocker Arm Shaft
Inspect the rocker arm shaft for wear or damage.
Measure the rocker arm shaft O.D.
SERVICE LIMIT: 9.91 mm
Calculate the rocker arm-to-shaft clearance.
SERVICE LIMIT: 0.05 mm
Valve Spring
Measure the free length of the valve spring.
SERVICE LIMIT: 32 mm
Cylinder Head
Check the spark plug hole and valve area for cracks.
Check the cylinder head for warpage with a straight edge and
a feeler gauge.
SERVICE LIMIT: 0.05 mm
Valve
Inspect each valve for trueness, burning, scratches or abnor mal
stem wear.
Measure the valve stem O.D.
SERVICE LIMIT:
IN/EX: 4.92 mm
Insert each valve into the valve guide and check the valve
movement in the guide.
90