Toro LC175FDS - Piston Ring; Connecting Rod Specifications; Piston Ring End Gap

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Piston Ring End Gap
Top and Middle Rings
Engine
Standard
Service Limit
175FDS-1
180FDS-1
0.0079 - 0.0157”
(0.2-0.4 mm)
0.0394”
(1.0 mm)
Oil Ring
Engine
Standard
Service Limit
175FDS-1
180FDS-1
0.0079 - 0.0275”
(0.2-0.7 mm)
0.0394”
(1.0 mm)
Use the piston to position the rings squarely 1” down from the top of the cylinder.
Connecting Rod Small End ID
Engine
Standard
Service Limit
175FDS-1
180FDS-1
0.7088 - 0.7093”
(18.006-18.017 mm)
0.7114”
(18.07 mm)
.
Connecting Rod Big End ID
Engine
Standard
Service Limit
175FDS-1
180FDS-1
1.3 - 1.3003”
(33.02-33.03 mm)
1.3019”
(33.07 mm)