MOTO GUZZI Griso V1100, Workshop Manual

Page: 44 / 182

GENERAL TECHNICAL INFORMATION
2 - 25
Griso V1100
•
Loosen and remove the eight screws.
•
Remove the head cover.
•
Loosen the nut (1);
• Turn the adjuster screw (2) with a screwdriver until the
following clearances are set:
-
intake valve: 0.10 mm (0.0039 in)
- exhaust valve: 0.15 mm (0.0059 in).
•
Measure clearance using a suitable feeler gauge (3).
NOTE If clearance is greater than specified, the tappets will
be noisy; clearance smaller than specified will prevent the
valves from closing fully leading to:
- pressure leak;
- engine overheating;
- burnished valves, etc.