Toro 159cc, Руководство по обслуживанию

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33
Piston Skirt Outside Diameter
Measure the piston skirt outside diameter 10mm from the skirt base and
90°to piston pin hole.
Standard Service Limit
2.558”
(64.985 mm)
2.553”
(64.845 mm)
NOTE: If this measurement is out of specification, complete engine replacement is required.
The only internal parts available for this engine are gaskets and seals.
Piston to Cylinder Clearance Specification
Standard Service Limit
0.00059 -
0.00196”
(0.015-0.05 mm)
0.00472”
(0.12 mm)
NOTE: If this measurement is out of specification, complete engine replacement is required.
The only internal parts available for this engine are gaskets and seals.
Piston Ring to Groove Clearance
Standard Service Limit
Top/
Middle
0.00059 -
0.00177”
(0.015-0.045 mm)
0.0059”
(0.15 mm)
NOTE: If this measurement is out of specification, complete engine
replacement is required. The only internal parts available for this engine are gaskets and seals.
Piston Ring Width
Standard Service Limit
Top/
Middle
0.059”
(1.5 mm)
0.0539”
(1.37 mm)
NOTE: If this measurement is out of specification, complete engine
replacement is required. The only internal parts available for this engine
are gaskets and seals.