Piston / Piston Ring Specifications - Toro LC1P65FC Service Manual

Piston Skirt Outside Diameter
Measure the piston skirt outside diameter 10mm from the skirt base and
90°to piston pin hole.
Standard
2.558"
(64.985 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
0.00059 - 0.00196"
(0.015-0.05 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
0.00059 - 0.00177"
Top/
Middle (0.015-0.045 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
0.0393"
Top/
Middle (1 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.
Service Limit
2.553"
(64.845 mm)
Service Limit
0.00472"
(0.12 mm)
Service Limit
0.0059"
(0.15 mm)
Service Limit
0.0342"
(0.87 mm)
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