Raider 40 hp, Руководство по обслуживанию, Страница: 103 / 193

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Inspecting Engine Components I Inspecting Engine Components I Inspecting Engine Components I Inspecting Engine Components I
Inspecting Cylinders Inspecting Cylinders Inspecting Cylinders Inspecting Cylinders
•
Cylinder bore (using cylinder gauge)
Standard value Service limit
68.05 mm
(2.679 in)
Replace when 68.11 mm
(2.682 in) or more
•
Measure the area showing the greatest wear.
•
Also replace when difference between minimum and maximum cylinder
bore is 0.06 mm(0.002 in) or more.
Inspecting Piston
Inspecting Piston Inspecting Piston Inspecting Piston
•
Outer diameter of piston
skirt
(using micrometer)
Standard value Service limit
67.96 mm
(2.676 in)
Replace when 67.90 mm
(2.673 in) or more
Measure at point 12 mm (0.47 in) from the bottomof the piston skirt.
•
Piston clearance (between cylinder and piston)
Standard value Service limit
0.08 to 0.12 mm
(0.003 to 0.005 in) Replace when 0.21 mm
(0.008 in) or more
•
Inner diameter of piston pin hole (using cylinder gauge)
Standard value Service limit
17.00 mm (0.67 in) Depends on clearance with pin
•
Clearance between piston pin and pin hole
Standard value Service limit
Tight: 0.003 miii
(0.00012 in)
Loose: 0.007 mm
(0.0028 in)
Replace when 0.02 mm (0.0008 in)
or more