Release 00 - 03/2018
Engine RS100 - RSC100
page 61
Service manual
15. ENGINE BLOCK - Overhauling internal parts
9 - Close the carter and x the screws (6) to the
indicated couple [ 15.2].
10 - During assembly perform the operations
indicated in section [ 15.2] always remember
to replace the silicone gasket (7) between the sump
and the casing.
11 - Ret the starter assembly [ 6.1].
Tightening torques
6
Union screws under carter and sump
8-12 Nm
17
Counterweight governor xing screw
8-12 Nm
28
Fixing screws lower connecting rod cap
11-13 Nm
Technical information
Oil sump capacity 0,40 litri
Diameter aspiration cam 24.1 mm
Diameter discharge cam 24,13 mm
Maximum segments gap in the cylinder 0,8 mm
Max. compression ring axial gap
0,12 mm
Minimum gudgeon pin diameter 11,95 mm
Max. gudgeon pin housing diameter
on piston
12,05 mm
Max. connecting rod diameter
gudgeon pin side 12,05 mm
crank side 24,07 mm
Diam. connecting rod’s pin on engine shaft
23,92 mm
Verify the engine shaft extremes 0,10 mm
Minimum inlet valve stem diameter 5,45 mm
Minimum exhaust valve stem diameter 5,42 mm
Valve head margin min. thickness 0,6 mm
Minimum valve spring length 29,4 mm
Special equipment
28 Piston ring removal expander
40 Piston ring compressing tool
6
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