Valve Gearing; Tappet Clearance - MOTO GUZZI 850-T5 Owner's Manual

VALVE GEARING
Tappet clearance (,,,. "'I
After the first 500-1500
km
and later on after
about 3000 km or SO, or any lime valve operation
IS too noisy. check tappet clearance.
This adjustment IS done with a cold engIne with
the piston at TDC, al the end of the compression
stroke (valves fully closed).
After removing the rocker cover, proceed as 101·
~ws
1 slacken nut _A .. ,
2
screw
In or out adJuster MB .. li11 there IS a
dearance 01 0.22 mm for both the Inlet and
exhaust valves.
ThiS check is made using feeler gauge " C '"
In case of higher clearance, there will be
nOISy
valve operation while
if
the valves do nOI close
fully there Will
be inconveniences such as:
- compressIOn loss,
- overheating
01
the engine,
- burning
01
valves. etc.
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