Malaguti Centro 125, Руководство по ремонту

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15
125 - 160 cc
C
WORKSHOP MANUAL
Working precautions
• Valves cover, camshaft, camshaft support, rocker arm, cylinder head and cylinder can be removed without
dropping engine from frame.
• Take care not to damage mating surfaces when removing valves cover, cylinder head and cylinder.
• Mark disassembled parts so they can be refit in exactly the same position.
• After disassembly, wash parts and dry with compressed air before checking and measuring them.
• Lubricate cam surfaces, shaft and internal hole of rocker arms before reassembling.
• Camshaft assy lubricating oil is fed through oil passages in the cylinder.
• Valve cover, cylinder head, and cylinder oilways must be perfectly clean prior to assembly.
Standard Service limit
125 cc 160 cc
Cylinder compression pressure 700 kPa (7 kgf/cm
2
) @ 260 RPM —
Valves
clearance
IN 0
,1
0 m
m - 0,12 mm ---
EX 0
,16
m
m - 0,19 mm ---
Flatness of cylinder head
— 0.05 mm
Camshaft
Cam height IN 30.74-30.86 mm 30.69 mm
EX 30.33-30.45 mm 30.28 mm
Rocker arm Rocker arm shaft bore
diameter
IN/EX 10.000-10.015 mm 10.10 mm
Rocker arm shaft diameter IN/EX 9.978-9.987 mm 9.91 mm
cont’d.
CYLINDER HEAD, VALVES, CYLINDER, PISTON