Gilera 633721 Workshop Manual page 149

Nexus 500 euro 3
Inspecting the valve stem guide clearance
- After measuring the valve guide diameter and the valve stem diameter, check the clearance between
guide and stem.
Specification
Standard clearance:
Admissible limit:
Specification
Standard clearance:
Admissible limit:
Specification
Outlet:
- Check that there are no signs of wear on the surface of contact with the articulated register terminal.
OUTLET
STANDARD VALVE LENGTH
Inlet:
INLET
Desc./Quantity
0.013 - 0.04 mm
Desc./Quantity
0.025 ÷ 0.052 mm
Desc./Quantity
95.0 ± 0.3 mm
94.2 ± 0.3 mm
Engine
0.08 mm
0.09 mm
ENG - 149