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section
N 4.1
431098/1098S - M.Y. 2007 - edition 00
Engine
Checking the closing clearance
Using a feeler gauge, check the clearance between the closing rocker arm shoe and the upper edge of the camshaft cam, taking
care not to compress the rocker arm return spring.
The clearance must be within the specified limits (Sect. C 1.1).
If it is not, remove the closing shim, as described in the paragraph “Valve disassembly” (Sect. N 4.5), and replace it with a shim
of suitable height to obtain the specified clearance.
Notes
Closing rocker arm shims measuring from 2.2 to 4.5 are available as replacement parts: each shim is marked with its size.
Check and adjust the clearances of all valves.
Refit the opening and closing shims as described in paragraph “Refitting rocker arms and valves” (Sect. N 4.5).
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