Malaguti Centro 125 Workshop Manual page 18

Piston
Piston assembly direction
Piston outside diameter
Piston pin bore diameter
Piston pin diameter
Connecting rod small end diameter
Cylinder / piston tolerance
Piston / piston pin tolerance
Piston pin / small end tolerance
Piston rings / grooves
tolerance
Ring gap
Piston ring assembly direction
Tightening torques
Cylinder head screw
Tensioner screw
Cylinder screw
Valves cover screw
Cylinder head nut
Timing sprocket screw
Chain tensioner screw
125 - 160 cc
WORKSHOP MANUAL
CYLINDER HEAD, VALVES, CYLINDER, PISTON
Ring (1)
Ring (2)
Ring (1)
Ring (2)
Scraper ring
10 N*m ± 15%
35 N*m ± 15%
10 N*m ± 15%
10 N*m ± 15%
30 N*m ± 15%
10 N*m ± 15%
10 N*m ± 15%
Standard
125 cc
"IN" on intake side
52.37-52.39 mm 57.97-57.99 mm
15.002-15.008 mm
14.994-15.000 mm
15.016-15.034 mm
0.02-0.04 mm
0.002-0.014 mm
0.016-0.040 mm
0.020-0.044 mm
0.020-0.044 mm
0.15-0.30 mm
0.10-0.25 mm
0.2-0.7 mm
punch marking at top
Service limit
160 cc
52.32/57.92 mm
15.04 mm
14.980 mm
15.050 mm
15.05 mm
0.080 mm
0.040 mm
0.070 mm
0.070 mm
0.45 mm
0.45 mm
0.9 mm
C
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